mobile: call settings, request camera on iOS on call start (#701)

* mobile: call settings, request camera on iOS on call start

* refactor preferences

* fix typo

apps/android/.idea/codeStyles/Project.xml

@@ -1,5 +1,8 @@
 <component name="ProjectCodeStyleConfiguration">
   <code_scheme name="Project" version="173">
+    <ComposeCustomCodeStyleSettings>
+      <option name="USE_CUSTOM_FORMATTING_FOR_MODIFIERS" value="false" />
+    </ComposeCustomCodeStyleSettings>
     <JetCodeStyleSettings>
       <option name="SPACE_BEFORE_EXTEND_COLON" value="false" />
       <option name="NAME_COUNT_TO_USE_STAR_IMPORT" value="3" />
@@ -123,9 +126,11 @@
     <codeStyleSettings language="kotlin">
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
       <option name="RIGHT_MARGIN" value="140" />
+      <option name="KEEP_FIRST_COLUMN_COMMENT" value="false" />
       <option name="KEEP_BLANK_LINES_IN_DECLARATIONS" value="1" />
       <option name="KEEP_BLANK_LINES_IN_CODE" value="0" />
       <option name="KEEP_BLANK_LINES_BEFORE_RBRACE" value="0" />
+      <option name="ALIGN_MULTILINE_PARAMETERS" value="false" />
       <option name="CALL_PARAMETERS_WRAP" value="0" />
       <option name="METHOD_PARAMETERS_WRAP" value="0" />
       <option name="EXTENDS_LIST_WRAP" value="0" />

apps/android/.idea/codeStyles/codeStyleConfig.xml

@@ -1,6 +1,5 @@
 <component name="ProjectCodeStyleConfiguration">
   <state>
     <option name="USE_PER_PROJECT_SETTINGS" value="true" />
-    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
   </state>
 </component>

apps/android/app/src/main/assets/www/call.js

@@ -96,8 +96,7 @@ const processCommand = (function () {
         const pc = new RTCPeerConnection(config.peerConnectionConfig);
         const remoteStream = new MediaStream();
         const localCamera = VideoCamera.User;
-        const constraints = callMediaConstraints(mediaType, localCamera);
-        const localStream = await navigator.mediaDevices.getUserMedia(constraints);
+        const localStream = await getLocalMediaStream(mediaType, localCamera);
         const iceCandidates = getIceCandidates(pc, config);
         const call = { connection: pc, iceCandidates, localMedia: mediaType, localCamera, localStream, remoteStream, aesKey, useWorker };
         await setupMediaStreams(call);
@@ -156,11 +155,17 @@ const processCommand = (function () {
         try {
             switch (command.type) {
                 case "capabilities":
+                    console.log("starting outgoing call - capabilities");
+                    if (activeCall)
+                        endCall();
+                    // This request for local media stream is made to prompt for camera/mic permissions on call start
+                    if (command.media)
+                        await getLocalMediaStream(command.media, VideoCamera.User);
                     const encryption = supportsInsertableStreams(command.useWorker);
                     resp = { type: "capabilities", capabilities: { encryption } };
                     break;
                 case "start": {
-                    console.log("starting call");
+                    console.log("starting incoming call - create webrtc session");
                     if (activeCall)
                         endCall();
                     const { media, useWorker, iceServers, relay } = command;
@@ -394,8 +399,7 @@ const processCommand = (function () {
         for (const t of call.localStream.getTracks())
             t.stop();
         call.localCamera = camera;
-        const constraints = callMediaConstraints(call.localMedia, camera);
-        const localStream = await navigator.mediaDevices.getUserMedia(constraints);
+        const localStream = await getLocalMediaStream(call.localMedia, camera);
         replaceTracks(pc, localStream.getVideoTracks());
         replaceTracks(pc, localStream.getAudioTracks());
         call.localStream = localStream;
@@ -430,6 +434,10 @@ const processCommand = (function () {
             console.log(`no ${operation}`);
         }
     }
+    function getLocalMediaStream(mediaType, facingMode) {
+        const constraints = callMediaConstraints(mediaType, facingMode);
+        return navigator.mediaDevices.getUserMedia(constraints);
+    }
     function callMediaConstraints(mediaType, facingMode) {
         switch (mediaType) {
             case CallMediaType.Audio:

apps/android/app/src/main/java/chat/simplex/app/MainActivity.kt

@@ -72,7 +72,7 @@ class MainActivity: FragmentActivity(), LifecycleEventObserver {
           val m = vm.chatModel
           val lastLAVal = lastLA.value
           if (
-            m.controller.getPerformLA()
+            m.controller.prefPerformLA.get()
             && (lastLAVal == null || (System.nanoTime() - lastLAVal >= 30 * 1e+9))
           ) {
             userAuthorized.value = false
@@ -91,7 +91,7 @@ class MainActivity: FragmentActivity(), LifecycleEventObserver {
                   LAResult.Unavailable -> {
                     userAuthorized.value = true
                     m.performLA.value = false
-                    m.controller.setPerformLA(false)
+                    m.controller.prefPerformLA.set(false)
                     laUnavailableTurningOffAlert()
                   }
                 }
@@ -106,13 +106,13 @@ class MainActivity: FragmentActivity(), LifecycleEventObserver {
   }
 
   private fun schedulePeriodicServiceRestartWorker() {
-    val workerVersion = chatController.getAutoRestartWorkerVersion()
+    val workerVersion = chatController.prefAutoRestartWorkerVersion.get()
     val workPolicy = if (workerVersion == SimplexService.SERVICE_START_WORKER_VERSION) {
       Log.d(TAG, "ServiceStartWorker version matches: choosing KEEP as existing work policy")
       ExistingPeriodicWorkPolicy.KEEP
     } else {
       Log.d(TAG, "ServiceStartWorker version DOES NOT MATCH: choosing REPLACE as existing work policy")
-      chatController.setAutoRestartWorkerVersion(SimplexService.SERVICE_START_WORKER_VERSION)
+      chatController.prefAutoRestartWorkerVersion.set(SimplexService.SERVICE_START_WORKER_VERSION)
       ExistingPeriodicWorkPolicy.REPLACE
     }
     val work = PeriodicWorkRequestBuilder<SimplexService.ServiceStartWorker>(SimplexService.SERVICE_START_WORKER_INTERVAL_MINUTES, TimeUnit.MINUTES)
@@ -126,7 +126,7 @@ class MainActivity: FragmentActivity(), LifecycleEventObserver {
   private fun setPerformLA(on: Boolean) {
     val m = vm.chatModel
     if (on) {
-      m.controller.setLANoticeShown(true)
+      m.controller.prefLANoticeShown.set(true)
       authenticate(
         generalGetString(R.string.auth_enable),
         generalGetString(R.string.auth_confirm_credential),
@@ -135,24 +135,24 @@ class MainActivity: FragmentActivity(), LifecycleEventObserver {
           when (laResult) {
             LAResult.Success -> {
               m.performLA.value = true
-              m.controller.setPerformLA(true)
+              m.controller.prefPerformLA.set(true)
               userAuthorized.value = true
               lastLA.value = System.nanoTime()
               laTurnedOnAlert()
             }
             is LAResult.Error -> {
               m.performLA.value = false
-              m.controller.setPerformLA(false)
+              m.controller.prefPerformLA.set(false)
               laErrorToast(applicationContext, laResult.errString)
             }
             LAResult.Failed -> {
               m.performLA.value = false
-              m.controller.setPerformLA(false)
+              m.controller.prefPerformLA.set(false)
               laFailedToast(applicationContext)
             }
             LAResult.Unavailable -> {
               m.performLA.value = false
-              m.controller.setPerformLA(false)
+              m.controller.prefPerformLA.set(false)
               laUnavailableInstructionAlert()
             }
           }
@@ -167,21 +167,21 @@ class MainActivity: FragmentActivity(), LifecycleEventObserver {
           when (laResult) {
             LAResult.Success -> {
               m.performLA.value = false
-              m.controller.setPerformLA(false)
+              m.controller.prefPerformLA.set(false)
             }
             is LAResult.Error -> {
               m.performLA.value = true
-              m.controller.setPerformLA(true)
+              m.controller.prefPerformLA.set(true)
               laErrorToast(applicationContext, laResult.errString)
             }
             LAResult.Failed -> {
               m.performLA.value = true
-              m.controller.setPerformLA(true)
+              m.controller.prefPerformLA.set(true)
               laFailedToast(applicationContext)
             }
             LAResult.Unavailable -> {
               m.performLA.value = false
-              m.controller.setPerformLA(false)
+              m.controller.prefPerformLA.set(false)
               laUnavailableTurningOffAlert()
             }
           }
@@ -212,7 +212,7 @@ fun MainPage(
   var showAdvertiseLAAlert by remember { mutableStateOf(false) }
   LaunchedEffect(showAdvertiseLAAlert) {
     if (
-      !chatModel.controller.getLANoticeShown()
+      !chatModel.controller.prefLANoticeShown.get()
       && showAdvertiseLAAlert
       && chatModel.onboardingStage.value == OnboardingStage.OnboardingComplete
       && chatModel.chats.isNotEmpty()

apps/android/app/src/main/java/chat/simplex/app/SimplexApp.kt

@@ -61,7 +61,7 @@ class SimplexApp: Application(), LifecycleEventObserver {
     withApi {
       when (event) {
         Lifecycle.Event.ON_STOP ->
-          if (!chatController.getRunServiceInBackground()) SimplexService.stop(applicationContext)
+          if (!chatController.prefRunServiceInBackground.get()) SimplexService.stop(applicationContext)
         Lifecycle.Event.ON_START ->
           SimplexService.start(applicationContext)
         Lifecycle.Event.ON_RESUME ->

apps/android/app/src/main/java/chat/simplex/app/model/SimpleXAPI.kt

@@ -50,9 +50,18 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
   var chatModel = ChatModel(this)
   private val sharedPreferences: SharedPreferences = appContext.getSharedPreferences(SHARED_PREFS_ID, Context.MODE_PRIVATE)
 
+  val prefRunServiceInBackground = mkBoolPreference(SHARED_PREFS_RUN_SERVICE_IN_BACKGROUND, true)
+  val prefBackgroundServiceNoticeShown = mkBoolPreference(SHARED_PREFS_SERVICE_NOTICE_SHOWN, false)
+  private val prefBackgroundServiceBatteryNoticeShown = mkBoolPreference(SHARED_PREFS_SERVICE_BATTERY_NOTICE_SHOWN, false)
+  val prefAutoRestartWorkerVersion = mkIntPreference(SHARED_PREFS_AUTO_RESTART_WORKER_VERSION, 0)
+  val prefWebrtcPolicyRelay = mkBoolPreference(SHARED_PREFS_WEBRTC_POLICY_RELAY, true)
+  val prefAcceptCallsFromLockScreen = mkBoolPreference(SHARED_PREFS_WEBRTC_ACCEPT_CALLS_FROM_LOCK_SCREEN, false)
+  val prefPerformLA = mkBoolPreference(SHARED_PREFS_PERFORM_LA, false)
+  val prefLANoticeShown = mkBoolPreference(SHARED_PREFS_LA_NOTICE_SHOWN, false)
+
   init {
-    chatModel.runServiceInBackground.value = getRunServiceInBackground()
-    chatModel.performLA.value = getPerformLA()
+    chatModel.runServiceInBackground.value = prefRunServiceInBackground.get()
+    chatModel.performLA.value = prefPerformLA.get()
   }
 
   suspend fun startChat(user: User) {
@@ -529,7 +538,7 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
         if (invitation != null) {
           chatModel.callManager.reportCallRemoteEnded(invitation = invitation)
         }
-        withCall(r, r.contact) { call ->
+        withCall(r, r.contact) { _ ->
           chatModel.callCommand.value = WCallCommand.End
           withApi {
             chatModel.activeCall.value = null
@@ -583,7 +592,7 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
 
   fun showBackgroundServiceNoticeIfNeeded() {
     Log.d(TAG, "showBackgroundServiceNoticeIfNeeded")
-    if (!getBackgroundServiceNoticeShown()) {
+    if (!prefBackgroundServiceNoticeShown.get()) {
       // the branch for the new users who has never seen service notice
       if (isIgnoringBatteryOptimizations(appContext)) {
         showBGServiceNotice()
@@ -591,20 +600,20 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
         showBGServiceNoticeIgnoreOptimization()
       }
       // set both flags, so that if the user doesn't allow ignoring optimizations, the service will be disabled without additional notice
-      setBackgroundServiceNoticeShown(true)
-      setBackgroundServiceBatteryNoticeShown(true)
-    } else if (!isIgnoringBatteryOptimizations(appContext) && getRunServiceInBackground()) {
+      prefBackgroundServiceNoticeShown.set(true)
+      prefBackgroundServiceBatteryNoticeShown.set(true)
+    } else if (!isIgnoringBatteryOptimizations(appContext) && prefRunServiceInBackground.get()) {
       // the branch for users who have app installed, and have seen the service notice,
       // but the battery optimization for the app is on (Android 12) AND the service is running
-      if (getBackgroundServiceBatteryNoticeShown()) {
+      if (prefBackgroundServiceBatteryNoticeShown.get()) {
         // users have been presented with battery notice before - they did not allow ignoring optimizitions -> disable service
         showDisablingServiceNotice()
-        setRunServiceInBackground(false)
+        prefRunServiceInBackground.set(false)
         chatModel.runServiceInBackground.value = false
       } else {
         // show battery optimization notice
         showBGServiceNoticeIgnoreOptimization()
-        setBackgroundServiceBatteryNoticeShown(true)
+        prefBackgroundServiceBatteryNoticeShown.set(true)
       }
     }
   }
@@ -695,8 +704,8 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
 
   fun showLANotice(activity: FragmentActivity) {
     Log.d(TAG, "showLANotice")
-    if (!getLANoticeShown()) {
-      setLANoticeShown(true)
+    if (!prefLANoticeShown.get()) {
+      prefLANoticeShown.set(true)
       AlertManager.shared.showAlertDialog(
         title = generalGetString(R.string.la_notice_title),
         text = generalGetString(R.string.la_notice_text),
@@ -710,22 +719,22 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
               when (laResult) {
                 LAResult.Success -> {
                   chatModel.performLA.value = true
-                  setPerformLA(true)
+                  prefPerformLA.set(true)
                   laTurnedOnAlert()
                 }
                 is LAResult.Error -> {
                   chatModel.performLA.value = false
-                  setPerformLA(false)
+                  prefPerformLA.set(false)
                   laErrorToast(appContext, laResult.errString)
                 }
                 LAResult.Failed -> {
                   chatModel.performLA.value = false
-                  setPerformLA(false)
+                  prefPerformLA.set(false)
                   laFailedToast(appContext)
                 }
                 LAResult.Unavailable -> {
                   chatModel.performLA.value = false
-                  setPerformLA(false)
+                  prefPerformLA.set(false)
                   chatModel.showAdvertiseLAUnavailableAlert.value = true
                 }
               }
@@ -736,34 +745,6 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
     }
   }
 
-  fun getAutoRestartWorkerVersion(): Int = sharedPreferences.getInt(SHARED_PREFS_AUTO_RESTART_WORKER_VERSION, 0)
-
-  fun setAutoRestartWorkerVersion(version: Int) =
-    sharedPreferences.edit()
-      .putInt(SHARED_PREFS_AUTO_RESTART_WORKER_VERSION, version)
-      .apply()
-
-  fun getRunServiceInBackground(): Boolean = sharedPreferences.getBoolean(SHARED_PREFS_RUN_SERVICE_IN_BACKGROUND, true)
-
-  fun setRunServiceInBackground(runService: Boolean) =
-    sharedPreferences.edit()
-      .putBoolean(SHARED_PREFS_RUN_SERVICE_IN_BACKGROUND, runService)
-      .apply()
-
-  private fun getBackgroundServiceNoticeShown(): Boolean = sharedPreferences.getBoolean(SHARED_PREFS_SERVICE_NOTICE_SHOWN, false)
-
-  fun setBackgroundServiceNoticeShown(shown: Boolean) =
-    sharedPreferences.edit()
-      .putBoolean(SHARED_PREFS_SERVICE_NOTICE_SHOWN, shown)
-      .apply()
-
-  private fun getBackgroundServiceBatteryNoticeShown(): Boolean = sharedPreferences.getBoolean(SHARED_PREFS_SERVICE_BATTERY_NOTICE_SHOWN, false)
-
-  fun setBackgroundServiceBatteryNoticeShown(shown: Boolean) =
-    sharedPreferences.edit()
-      .putBoolean(SHARED_PREFS_SERVICE_BATTERY_NOTICE_SHOWN, shown)
-      .apply()
-
   fun isIgnoringBatteryOptimizations(context: Context): Boolean {
     if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) return true
     val powerManager = context.getSystemService(Application.POWER_SERVICE) as PowerManager
@@ -783,19 +764,17 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
     }
   }
 
-  fun getPerformLA(): Boolean = sharedPreferences.getBoolean(SHARED_PREFS_PERFORM_LA, false)
+  private fun mkIntPreference(prefName: String, default: Int) =
+    Preference(
+      get = fun() = sharedPreferences.getInt(prefName, default),
+      set = fun(value) = sharedPreferences.edit().putInt(prefName, value).apply()
+    )
 
-  fun setPerformLA(performLA: Boolean) =
-    sharedPreferences.edit()
-      .putBoolean(SHARED_PREFS_PERFORM_LA, performLA)
-      .apply()
-
-  fun getLANoticeShown(): Boolean = sharedPreferences.getBoolean(SHARED_PREFS_LA_NOTICE_SHOWN, false)
-
-  fun setLANoticeShown(shown: Boolean) =
-    sharedPreferences.edit()
-      .putBoolean(SHARED_PREFS_LA_NOTICE_SHOWN, shown)
-      .apply()
+  private fun mkBoolPreference(prefName: String, default: Boolean) =
+    Preference(
+      get = fun() = sharedPreferences.getBoolean(prefName, default),
+      set = fun(value) = sharedPreferences.edit().putBoolean(prefName, value).apply()
+    )
 
   companion object {
     private const val SHARED_PREFS_ID = "chat.simplex.app.SIMPLEX_APP_PREFS"
@@ -803,11 +782,15 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
     private const val SHARED_PREFS_RUN_SERVICE_IN_BACKGROUND = "RunServiceInBackground"
     private const val SHARED_PREFS_SERVICE_NOTICE_SHOWN = "BackgroundServiceNoticeShown"
     private const val SHARED_PREFS_SERVICE_BATTERY_NOTICE_SHOWN = "BackgroundServiceBatteryNoticeShown"
+    private const val SHARED_PREFS_WEBRTC_POLICY_RELAY = "WebrtcPolicyRelay"
+    private const val SHARED_PREFS_WEBRTC_ACCEPT_CALLS_FROM_LOCK_SCREEN = "AcceptCallsFromLockScreen"
     private const val SHARED_PREFS_PERFORM_LA = "PerformLA"
     private const val SHARED_PREFS_LA_NOTICE_SHOWN = "LANoticeShown"
   }
 }
 
+class Preference<T>(val get: () -> T, val set: (T) -> Unit)
+
 // ChatCommand
 sealed class CC {
   class Console(val cmd: String): CC()

apps/android/app/src/main/java/chat/simplex/app/views/call/CallView.kt

@@ -156,7 +156,7 @@ private fun ActiveCallOverlayLayout(
             ControlButton(call, Icons.Filled.FlipCameraAndroid, R.string.icon_descr_flip_camera, flipCamera)
             ControlButton(call, Icons.Filled.Videocam, R.string.icon_descr_video_off, toggleVideo)
           } else {
-            Spacer(Modifier.size(40.dp))
+            Spacer(Modifier.size(48.dp))
             ControlButton(call, Icons.Outlined.VideocamOff, R.string.icon_descr_video_on, toggleVideo)
           }
         }

apps/android/app/src/main/java/chat/simplex/app/views/call/IncomingCallActivity.kt

@@ -11,7 +11,6 @@ import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.viewModels
 import androidx.compose.foundation.background
-import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.*
@@ -25,14 +24,15 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.TextStyle
-import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
 import chat.simplex.app.*
 import chat.simplex.app.R
 import chat.simplex.app.model.ChatModel
 import chat.simplex.app.model.Contact
+import chat.simplex.app.model.NtfManager.Companion.OpenChatAction
 import chat.simplex.app.ui.theme.*
 import chat.simplex.app.views.helpers.ProfileImage
 import chat.simplex.app.views.onboarding.SimpleXLogo
@@ -93,7 +93,7 @@ fun IncomingCallActivityView(m: ChatModel, activity: IncomingCallActivity) {
       activity.finish()
     }
   }
-  SimpleXTheme(darkTheme = true) {
+  SimpleXTheme {
     Surface(
       Modifier
         .background(MaterialTheme.colors.background)
@@ -104,33 +104,48 @@ fun IncomingCallActivityView(m: ChatModel, activity: IncomingCallActivity) {
           if (invitation != null) IncomingCallAlertView(invitation, m)
         }
       } else if (invitation != null) {
-        IncomingCallLockScreenAlert(invitation, m)
+        IncomingCallLockScreenAlert(invitation, m, activity)
       }
     }
   }
 }
 
 @Composable
-fun IncomingCallLockScreenAlert(invitation: CallInvitation, chatModel: ChatModel) {
+fun IncomingCallLockScreenAlert(invitation: CallInvitation, chatModel: ChatModel, activity: IncomingCallActivity) {
   val cm = chatModel.callManager
   val cxt = LocalContext.current
   val scope = rememberCoroutineScope()
+  var acceptCallsFromLockScreen by remember { mutableStateOf(chatModel.controller.prefAcceptCallsFromLockScreen.get()) }
   LaunchedEffect(true) { SoundPlayer.shared.start(cxt, scope, sound = true) }
   DisposableEffect(true) { onDispose { SoundPlayer.shared.stop() } }
   IncomingCallLockScreenAlertLayout(
     invitation,
+    acceptCallsFromLockScreen,
     rejectCall = { cm.endCall(invitation = invitation) },
     ignoreCall = { chatModel.activeCallInvitation.value = null },
-    acceptCall = { cm.acceptIncomingCall(invitation = invitation) }
+    acceptCall = { cm.acceptIncomingCall(invitation = invitation) },
+    openApp = {
+      SoundPlayer.shared.stop()
+      var intent = Intent(activity, MainActivity::class.java)
+        .setAction(OpenChatAction)
+        .putExtra("chatId", invitation.contact.id)
+      activity.startActivity(intent)
+      activity.finish()
+      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+        getKeyguardManager(activity).requestDismissKeyguard(activity, null)
+      }
+    }
   )
 }
 
 @Composable
 fun IncomingCallLockScreenAlertLayout(
   invitation: CallInvitation,
+  acceptCallsFromLockScreen: Boolean,
   rejectCall: () -> Unit,
   ignoreCall: () -> Unit,
-  acceptCall: () -> Unit
+  acceptCall: () -> Unit,
+  openApp: () -> Unit
 ) {
   Column(
     Modifier
@@ -139,22 +154,24 @@ fun IncomingCallLockScreenAlertLayout(
     horizontalAlignment = Alignment.CenterHorizontally
   ) {
     IncomingCallInfo(invitation)
-    Spacer(
-      Modifier
-        .fillMaxHeight()
-        .weight(1f))
-    ProfileImage(size = 192.dp, image = invitation.contact.profile.image)
-    Text(invitation.contact.chatViewName, style = MaterialTheme.typography.h2)
-    Spacer(
-      Modifier
-        .fillMaxHeight()
-        .weight(1f))
-    Row {
-      LockScreenCallButton(stringResource(R.string.reject), Icons.Filled.CallEnd, Color.Red, rejectCall)
-      Spacer(Modifier.size(48.dp))
-      LockScreenCallButton(stringResource(R.string.ignore), Icons.Filled.Close, MaterialTheme.colors.primary, ignoreCall)
-      Spacer(Modifier.size(48.dp))
-      LockScreenCallButton(stringResource(R.string.accept), Icons.Filled.Check, SimplexGreen, acceptCall)
+    Spacer(Modifier.fillMaxHeight().weight(1f))
+    if (acceptCallsFromLockScreen) {
+      ProfileImage(size = 192.dp, image = invitation.contact.profile.image)
+      Text(invitation.contact.chatViewName, style = MaterialTheme.typography.h2)
+      Spacer(Modifier.fillMaxHeight().weight(1f))
+      Row {
+        LockScreenCallButton(stringResource(R.string.reject), Icons.Filled.CallEnd, Color.Red, rejectCall)
+        Spacer(Modifier.size(48.dp))
+        LockScreenCallButton(stringResource(R.string.ignore), Icons.Filled.Close, MaterialTheme.colors.primary, ignoreCall)
+        Spacer(Modifier.size(48.dp))
+        LockScreenCallButton(stringResource(R.string.accept), Icons.Filled.Check, SimplexGreen, acceptCall)
+      }
+    } else {
+      SimpleXLogo()
+      Text(stringResource(R.string.open_simplex_chat_to_accept_call), textAlign = TextAlign.Center, lineHeight = 22.sp)
+      Text(stringResource(R.string.allow_accepting_calls_from_lock_screen), textAlign = TextAlign.Center, style = MaterialTheme.typography.body2, lineHeight = 22.sp)
+      Spacer(Modifier.fillMaxHeight().weight(1f))
+      SimpleButton(text = stringResource(R.string.open_verb), icon = Icons.Filled.Check, click = openApp)
     }
   }
 }
@@ -166,7 +183,9 @@ private fun LockScreenCallButton(text: String, icon: ImageVector, color: Color,
     color = Color.Transparent
   ) {
     Column(
-      Modifier.defaultMinSize(minWidth = 50.dp).padding(4.dp),
+      Modifier
+        .defaultMinSize(minWidth = 50.dp)
+        .padding(4.dp),
       horizontalAlignment = Alignment.CenterHorizontally
     ) {
       IconButton(action) {
@@ -185,16 +204,21 @@ private fun LockScreenCallButton(text: String, icon: ImageVector, color: Color,
 @Composable
 fun PreviewIncomingCallLockScreenAlert() {
   SimpleXTheme(true) {
-    Surface(Modifier.background(MaterialTheme.colors.background).fillMaxSize()) {
+    Surface(
+      Modifier
+        .background(MaterialTheme.colors.background)
+        .fillMaxSize()) {
       IncomingCallLockScreenAlertLayout(
         invitation = CallInvitation(
           contact = Contact.sampleData,
           peerMedia = CallMediaType.Audio,
           sharedKey = null
         ),
+        acceptCallsFromLockScreen = false,
         rejectCall = {},
         ignoreCall = {},
-        acceptCall = {}
+        acceptCall = {},
+        openApp = {},
       )
     }
   }

apps/android/app/src/main/java/chat/simplex/app/views/usersettings/CallSettings.kt

@@ -0,0 +1,63 @@
+package chat.simplex.app.views.usersettings
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import chat.simplex.app.R
+import chat.simplex.app.model.*
+import chat.simplex.app.ui.theme.HighOrLowlight
+
+@Composable
+fun CallSettingsView(m: ChatModel) {
+  CallSettingsLayout(
+    webrtcPolicyRelay = m.controller.prefWebrtcPolicyRelay,
+    acceptCallsFromLockScreen = m.controller.prefAcceptCallsFromLockScreen
+  )
+}
+
+@Composable
+fun CallSettingsLayout(
+  webrtcPolicyRelay: Preference<Boolean>,
+  acceptCallsFromLockScreen: Preference<Boolean>,
+) {
+  Column(
+    Modifier.fillMaxWidth(),
+    horizontalAlignment = Alignment.Start,
+    verticalArrangement = Arrangement.spacedBy(8.dp)
+  ) {
+    Text(
+      stringResource(R.string.call_settings),
+      Modifier.padding(bottom = 24.dp),
+      style = MaterialTheme.typography.h1
+    )
+    SharedPreferenceToggle(stringResource(R.string.connect_calls_via_relay), webrtcPolicyRelay)
+    SharedPreferenceToggle(stringResource(R.string.accept_calls_from_lock_screen), acceptCallsFromLockScreen)
+  }
+}
+
+@Composable
+fun SharedPreferenceToggle(
+  text: String,
+  preference: Preference<Boolean>
+) {
+  var preferenceState by remember { mutableStateOf(preference.get()) }
+  Row(Modifier.fillMaxWidth(), verticalAlignment = Alignment.CenterVertically) {
+    Text(text, Modifier.padding(end = 24.dp))
+    Spacer(Modifier.fillMaxWidth().weight(1f))
+    Switch(
+      checked = preferenceState,
+      onCheckedChange = {
+        preference.set(it)
+        preferenceState = it
+      },
+      colors = SwitchDefaults.colors(
+        checkedThumbColor = MaterialTheme.colors.primary,
+        uncheckedThumbColor = HighOrLowlight
+      ),
+    )
+  }
+}

apps/android/app/src/main/java/chat/simplex/app/views/usersettings/SettingsView.kt

@@ -1,8 +1,9 @@
 package chat.simplex.app.views.usersettings
 
 import android.content.res.Configuration
-import androidx.compose.foundation.background
-import androidx.compose.foundation.clickable
+import androidx.compose.foundation.*
+import androidx.compose.foundation.gestures.Orientation
+import androidx.compose.foundation.gestures.scrollable
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
@@ -12,6 +13,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalUriHandler
+import androidx.compose.ui.platform.UriHandler
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
@@ -32,9 +34,9 @@ fun SettingsView(chatModel: ChatModel, setPerformLA: (Boolean) -> Unit) {
   val user = chatModel.currentUser.value
 
   fun setRunServiceInBackground(on: Boolean) {
-    chatModel.controller.setRunServiceInBackground(on)
+    chatModel.controller.prefRunServiceInBackground.set(on)
     if (on && !chatModel.controller.isIgnoringBatteryOptimizations(chatModel.controller.appContext)) {
-      chatModel.controller.setBackgroundServiceNoticeShown(false)
+      chatModel.controller.prefBackgroundServiceNoticeShown.set(false)
     }
     chatModel.controller.showBackgroundServiceNoticeIfNeeded()
     chatModel.runServiceInBackground.value = on
@@ -75,6 +77,7 @@ fun SettingsLayout(
     Modifier
       .background(MaterialTheme.colors.background)
       .fillMaxSize()
+      .verticalScroll(rememberScrollState())
   ) {
     Column(
       Modifier
@@ -83,6 +86,7 @@ fun SettingsLayout(
         .padding(8.dp)
         .padding(top = 16.dp)
     ) {
+      @Composable fun divider() = Divider(Modifier.padding(horizontal = 8.dp))
       Text(
         stringResource(R.string.your_settings),
         style = MaterialTheme.typography.h1,
@@ -93,150 +97,219 @@ fun SettingsLayout(
       SettingsSectionView(showCustomModal { chatModel, close -> UserProfileView(chatModel, close) }, 80.dp) {
         ProfilePreview(profile)
       }
-      Divider(Modifier.padding(horizontal = 8.dp))
-      SettingsSectionView(showModal { UserAddressView(it) }) {
-        Icon(
-          Icons.Outlined.QrCode,
-          contentDescription = stringResource(R.string.icon_descr_address),
-        )
-        Spacer(Modifier.padding(horizontal = 4.dp))
-        Text(stringResource(R.string.your_simplex_contact_address))
-      }
+      divider()
+      UserAddressSection(showModal)
       Spacer(Modifier.height(24.dp))
 
-      SettingsSectionView(showModal { HelpView(it) }) {
-        Icon(
-          Icons.Outlined.HelpOutline,
-          contentDescription = stringResource(R.string.icon_descr_help),
-        )
-        Spacer(Modifier.padding(horizontal = 4.dp))
-        Text(stringResource(R.string.how_to_use_simplex_chat))
-      }
-      Divider(Modifier.padding(horizontal = 8.dp))
-      SettingsSectionView(showModal { SimpleXInfo(it, onboarding = false) }) {
-        Icon(
-          Icons.Outlined.Info,
-          contentDescription = stringResource(R.string.icon_descr_help),
-        )
-        Spacer(Modifier.padding(horizontal = 4.dp))
-        Text(stringResource(R.string.about_simplex_chat))
-      }
-      Divider(Modifier.padding(horizontal = 8.dp))
-      SettingsSectionView(showModal { MarkdownHelpView() }) {
-        Icon(
-          Icons.Outlined.TextFormat,
-          contentDescription = stringResource(R.string.markdown_help),
-        )
-        Spacer(Modifier.padding(horizontal = 4.dp))
-        Text(stringResource(R.string.markdown_in_messages))
-      }
-      Divider(Modifier.padding(horizontal = 8.dp))
-      SettingsSectionView({ uriHandler.openUri(simplexTeamUri) }) {
-        Icon(
-          Icons.Outlined.Tag,
-          contentDescription = stringResource(R.string.icon_descr_simplex_team),
-        )
-        Spacer(Modifier.padding(horizontal = 4.dp))
-        Text(
-          stringResource(R.string.chat_with_the_founder),
-          color = MaterialTheme.colors.primary
-        )
-      }
-      Divider(Modifier.padding(horizontal = 8.dp))
-      SettingsSectionView({ uriHandler.openUri("mailto:chat@simplex.chat") }) {
-        Icon(
-          Icons.Outlined.Email,
-          contentDescription = stringResource(R.string.icon_descr_email),
-        )
-        Spacer(Modifier.padding(horizontal = 4.dp))
-        Text(
-          stringResource(R.string.send_us_an_email),
-          color = MaterialTheme.colors.primary
-        )
-      }
+      CallSettingsSection(showModal)
+      divider()
+      ChatLockSection(performLA, setPerformLA)
+      divider()
+      PrivateNotificationsSection(runServiceInBackground, setRunServiceInBackground)
+      divider()
+      SMPServersSection(showModal)
       Spacer(Modifier.height(24.dp))
 
-      SettingsSectionView(showModal { SMPServersView(it) }) {
-        Icon(
-          Icons.Outlined.Dns,
-          contentDescription = stringResource(R.string.smp_servers),
-        )
-        Spacer(Modifier.padding(horizontal = 4.dp))
-        Text(stringResource(R.string.smp_servers))
-      }
-      Divider(Modifier.padding(horizontal = 8.dp))
-      SettingsSectionView() {
-        Icon(
-          Icons.Outlined.Bolt,
-          contentDescription = stringResource(R.string.private_notifications),
-        )
-        Spacer(Modifier.padding(horizontal = 4.dp))
-        Text(
-          stringResource(R.string.private_notifications), Modifier
-            .padding(end = 24.dp)
-            .fillMaxWidth()
-            .weight(1F)
-        )
-        Switch(
-          checked = runServiceInBackground.value,
-          onCheckedChange = { setRunServiceInBackground(it) },
-          colors = SwitchDefaults.colors(
-            checkedThumbColor = MaterialTheme.colors.primary,
-            uncheckedThumbColor = HighOrLowlight
-          ),
-          modifier = Modifier.padding(end = 8.dp)
-        )
-      }
-      Divider(Modifier.padding(horizontal = 8.dp))
-      SettingsSectionView() {
-        Icon(
-          Icons.Outlined.Lock,
-          contentDescription = stringResource(R.string.chat_lock),
-        )
-        Spacer(Modifier.padding(horizontal = 4.dp))
-        Text(
-          stringResource(R.string.chat_lock), Modifier
-            .padding(end = 24.dp)
-            .fillMaxWidth()
-            .weight(1F)
-        )
-        Switch(
-          checked = performLA.value,
-          onCheckedChange = { setPerformLA(it) },
-          colors = SwitchDefaults.colors(
-            checkedThumbColor = MaterialTheme.colors.primary,
-            uncheckedThumbColor = HighOrLowlight
-          ),
-          modifier = Modifier.padding(end = 8.dp)
-        )
-      }
-      Divider(Modifier.padding(horizontal = 8.dp))
-      SettingsSectionView(showTerminal) {
-        Icon(
-          painter = painterResource(id = R.drawable.ic_outline_terminal),
-          contentDescription = stringResource(R.string.chat_console),
-        )
-        Spacer(Modifier.padding(horizontal = 4.dp))
-        Text(stringResource(R.string.chat_console))
-      }
-      Divider(Modifier.padding(horizontal = 8.dp))
-      SettingsSectionView({ uriHandler.openUri("https://github.com/simplex-chat/simplex-chat") }) {
-        Icon(
-          painter = painterResource(id = R.drawable.ic_github),
-          contentDescription = "GitHub",
-        )
-        Spacer(Modifier.padding(horizontal = 4.dp))
-        Text(annotatedStringResource(R.string.install_simplex_chat_for_terminal))
-      }
-      Divider(Modifier.padding(horizontal = 8.dp))
-//      SettingsSectionView(showVideoChatPrototype) {
-      SettingsSectionView() {
-        Text("v${BuildConfig.VERSION_NAME} (${BuildConfig.VERSION_CODE})")
-      }
+      HelpViewSection(showModal)
+      divider()
+      SimpleXInfoSection(showModal)
+      divider()
+      MarkdownHelpSection(showModal)
+      divider()
+      ConnectToDevelopersSection(uriHandler)
+      divider()
+      SendEmailSection(uriHandler)
+      Spacer(Modifier.height(24.dp))
+
+      ChatConsoleSection(showTerminal)
+      divider()
+      InstallTerminalAppSection(uriHandler)
+      divider()
+      AppVersionSection()
     }
   }
 }
 
+@Composable private fun UserAddressSection(showModal: (@Composable (ChatModel) -> Unit) -> (() -> Unit)) {
+  SettingsSectionView(showModal { UserAddressView(it) }) {
+    Icon(
+      Icons.Outlined.QrCode,
+      contentDescription = stringResource(R.string.icon_descr_address),
+    )
+    Spacer(Modifier.padding(horizontal = 4.dp))
+    Text(stringResource(R.string.your_simplex_contact_address))
+  }
+}
+
+@Composable private fun CallSettingsSection(showModal: (@Composable (ChatModel) -> Unit) -> (() -> Unit)) {
+  SettingsSectionView(showModal { CallSettingsView(it) }) {
+    Icon(
+      Icons.Outlined.Videocam,
+      contentDescription = stringResource(R.string.call_settings),
+    )
+    Spacer(Modifier.padding(horizontal = 4.dp))
+    Text(stringResource(R.string.call_settings))
+  }
+}
+
+@Composable private fun HelpViewSection(showModal: (@Composable (ChatModel) -> Unit) -> (() -> Unit)) {
+  SettingsSectionView(showModal { HelpView(it) }) {
+    Icon(
+      Icons.Outlined.HelpOutline,
+      contentDescription = stringResource(R.string.icon_descr_help),
+    )
+    Spacer(Modifier.padding(horizontal = 4.dp))
+    Text(stringResource(R.string.how_to_use_simplex_chat))
+  }
+}
+
+@Composable private fun SimpleXInfoSection(showModal: (@Composable (ChatModel) -> Unit) -> (() -> Unit)) {
+  SettingsSectionView(showModal { SimpleXInfo(it, onboarding = false) }) {
+    Icon(
+      Icons.Outlined.Info,
+      contentDescription = stringResource(R.string.icon_descr_help),
+    )
+    Spacer(Modifier.padding(horizontal = 4.dp))
+    Text(stringResource(R.string.about_simplex_chat))
+  }
+}
+
+@Composable private fun MarkdownHelpSection(showModal: (@Composable (ChatModel) -> Unit) -> (() -> Unit)) {
+  SettingsSectionView(showModal { MarkdownHelpView() }) {
+    Icon(
+      Icons.Outlined.TextFormat,
+      contentDescription = stringResource(R.string.markdown_help),
+    )
+    Spacer(Modifier.padding(horizontal = 4.dp))
+    Text(stringResource(R.string.markdown_in_messages))
+  }
+}
+
+@Composable private fun ConnectToDevelopersSection(uriHandler: UriHandler) {
+  SettingsSectionView({ uriHandler.openUri(simplexTeamUri) }) {
+    Icon(
+      Icons.Outlined.Tag,
+      contentDescription = stringResource(R.string.icon_descr_simplex_team),
+    )
+    Spacer(Modifier.padding(horizontal = 4.dp))
+    Text(
+      stringResource(R.string.chat_with_the_founder),
+      color = MaterialTheme.colors.primary
+    )
+  }
+}
+
+@Composable private fun SendEmailSection(uriHandler: UriHandler) {
+  SettingsSectionView({ uriHandler.openUri("mailto:chat@simplex.chat") }) {
+    Icon(
+      Icons.Outlined.Email,
+      contentDescription = stringResource(R.string.icon_descr_email),
+    )
+    Spacer(Modifier.padding(horizontal = 4.dp))
+    Text(
+      stringResource(R.string.send_us_an_email),
+      color = MaterialTheme.colors.primary
+    )
+  }
+}
+
+@Composable private fun SMPServersSection(showModal: (@Composable (ChatModel) -> Unit) -> (() -> Unit)) {
+  SettingsSectionView(showModal { SMPServersView(it) }) {
+    Icon(
+      Icons.Outlined.Dns,
+      contentDescription = stringResource(R.string.smp_servers),
+    )
+    Spacer(Modifier.padding(horizontal = 4.dp))
+    Text(stringResource(R.string.smp_servers))
+  }
+}
+
+@Composable private fun PrivateNotificationsSection(
+  runServiceInBackground: MutableState<Boolean>,
+  setRunServiceInBackground: (Boolean) -> Unit
+) {
+  SettingsSectionView() {
+    Row(verticalAlignment = Alignment.CenterVertically) {
+      Icon(
+        Icons.Outlined.Bolt,
+        contentDescription = stringResource(R.string.private_notifications),
+      )
+      Spacer(Modifier.padding(horizontal = 4.dp))
+      Text(
+        stringResource(R.string.private_notifications),
+        Modifier
+          .padding(end = 24.dp)
+          .fillMaxWidth()
+          .weight(1f)
+      )
+      Switch(
+        checked = runServiceInBackground.value,
+        onCheckedChange = { setRunServiceInBackground(it) },
+        colors = SwitchDefaults.colors(
+          checkedThumbColor = MaterialTheme.colors.primary,
+          uncheckedThumbColor = HighOrLowlight
+        ),
+        modifier = Modifier.padding(end = 8.dp)
+      )
+    }
+  }
+}
+
+@Composable private fun ChatLockSection(performLA: MutableState<Boolean>, setPerformLA: (Boolean) -> Unit) {
+  SettingsSectionView() {
+    Row(verticalAlignment = Alignment.CenterVertically) {
+      Icon(
+        Icons.Outlined.Lock,
+        contentDescription = stringResource(R.string.chat_lock),
+      )
+      Spacer(Modifier.padding(horizontal = 4.dp))
+      Text(
+        stringResource(R.string.chat_lock), Modifier
+          .padding(end = 24.dp)
+          .fillMaxWidth()
+          .weight(1F)
+      )
+      Switch(
+        checked = performLA.value,
+        onCheckedChange = { setPerformLA(it) },
+        colors = SwitchDefaults.colors(
+          checkedThumbColor = MaterialTheme.colors.primary,
+          uncheckedThumbColor = HighOrLowlight
+        ),
+        modifier = Modifier.padding(end = 8.dp)
+      )
+    }
+  }
+}
+
+@Composable private fun ChatConsoleSection(showTerminal: () -> Unit) {
+  SettingsSectionView(showTerminal) {
+    Icon(
+      painter = painterResource(id = R.drawable.ic_outline_terminal),
+      contentDescription = stringResource(R.string.chat_console),
+    )
+    Spacer(Modifier.padding(horizontal = 4.dp))
+    Text(stringResource(R.string.chat_console))
+  }
+}
+
+@Composable private fun InstallTerminalAppSection(uriHandler: UriHandler) {
+  SettingsSectionView({ uriHandler.openUri("https://github.com/simplex-chat/simplex-chat") }) {
+    Icon(
+      painter = painterResource(id = R.drawable.ic_github),
+      contentDescription = "GitHub",
+    )
+    Spacer(Modifier.padding(horizontal = 4.dp))
+    Text(annotatedStringResource(R.string.install_simplex_chat_for_terminal))
+  }
+}
+
+@Composable private fun AppVersionSection() {
+  SettingsSectionView() {
+    Text("v${BuildConfig.VERSION_NAME} (${BuildConfig.VERSION_CODE})")
+  }
+}
+
 @Composable fun ProfilePreview(profileOf: NamedChat, size: Dp = 60.dp, color: Color = MaterialTheme.colors.secondary) {
   ProfileImage(size = size, image = profileOf.image, color = color)
   Spacer(Modifier.padding(horizontal = 4.dp))

apps/android/app/src/main/res/values-ru/strings.xml

@@ -377,6 +377,16 @@
     <string name="icon_descr_video_call">видеозвонок</string>
     <string name="icon_descr_audio_call">аудиозвонок</string>
 
+    <!-- Call settings -->
+    <string name="call_settings">Настройки звонков</string>
+    <string name="connect_calls_via_relay">Соединяться через сервер (relay)</string>
+    <string name="accept_calls_from_lock_screen">Принимать с экрана блокировки</string>
+
+    <!-- Call Lock Screen -->
+    <string name="open_simplex_chat_to_accept_call">Open <xliff:g id="appNameFull">SimpleX Chat</xliff:g>\nto accept call</string>
+    <string name="allow_accepting_calls_from_lock_screen">You can allow accepting calls from lock screen via Settings.</string>
+    <string name="open_verb">Open</string>
+
     <!-- Call overlay -->
     <string name="status_e2e_encrypted">e2e зашифровано</string>
     <string name="status_no_e2e_encryption">нет e2e шифрования</string>

apps/android/app/src/main/res/values/strings.xml

@@ -379,6 +379,16 @@
   <string name="icon_descr_video_call">video call</string>
   <string name="icon_descr_audio_call">audio call</string>
 
+  <!-- Call settings -->
+  <string name="call_settings">Call settings</string>
+  <string name="connect_calls_via_relay">Connect via relay</string>
+  <string name="accept_calls_from_lock_screen">Accept calls from lock screen</string>
+
+  <!-- Call Lock Screen -->
+  <string name="open_simplex_chat_to_accept_call">Open <xliff:g id="appNameFull">SimpleX Chat</xliff:g> to accept call</string>
+  <string name="allow_accepting_calls_from_lock_screen">Enable calls from lock screen via Settings.</string>
+  <string name="open_verb">Open</string>
+
   <!-- Call overlay -->
   <string name="status_e2e_encrypted">e2e encrypted</string>
   <string name="status_no_e2e_encryption">no e2e encryption</string>

apps/ios/Shared/Model/SimpleXAPI.swift

@@ -660,7 +660,9 @@ func processReceivedMsg(_ res: ChatResponse) {
                 call.callState = .offerReceived
                 call.peerMedia = callType.media
                 call.sharedKey = sharedKey
-                m.callCommand = .offer(offer: offer.rtcSession, iceCandidates: offer.rtcIceCandidates, media: callType.media, aesKey: sharedKey, useWorker: true)
+                let useRelay = UserDefaults.standard.bool(forKey: DEFAULT_WEBRTC_POLICY_RELAY)
+                logger.debug(".callOffer useRelay \(useRelay)")
+                m.callCommand = .offer(offer: offer.rtcSession, iceCandidates: offer.rtcIceCandidates, media: callType.media, aesKey: sharedKey, useWorker: true, relay: useRelay)
             }
         case let .callAnswer(contact, answer):
             withCall(contact) { call in

apps/ios/Shared/SimpleXApp.swift

@@ -21,6 +21,7 @@ struct SimpleXApp: App {
 
     init() {
         hs_init(0, nil)
+        UserDefaults.standard.register(defaults: appDefaults)
         BGManager.shared.register()
         NtfManager.shared.registerCategories()
     }

apps/ios/Shared/Views/Call/CallManager.swift

@@ -19,7 +19,7 @@ class CallManager {
         let m = ChatModel.shared
         if let call = m.activeCall, call.callkitUUID == callUUID {
             m.showCallView = true
-            m.callCommand = .capabilities(useWorker: true)
+            m.callCommand = .capabilities(media: call.localMedia, useWorker: true)
             return true
         }
         return false
@@ -45,7 +45,9 @@ class CallManager {
             sharedKey: invitation.sharedKey
         )
         m.showCallView = true
-        m.callCommand = .start(media: invitation.peerMedia, aesKey: invitation.sharedKey, useWorker: true)
+        let useRelay = UserDefaults.standard.bool(forKey: DEFAULT_WEBRTC_POLICY_RELAY)
+        logger.debug("answerIncomingCall useRelay \(useRelay)")
+        m.callCommand = .start(media: invitation.peerMedia, aesKey: invitation.sharedKey, useWorker: true, relay: useRelay)
     }
 
     func endCall(callUUID: UUID, completed: @escaping (Bool) -> Void) {

apps/ios/Shared/Views/Call/WebRTC.swift

@@ -102,7 +102,7 @@ struct WVAPIMessage: Equatable, Decodable, Encodable {
 }
 
 enum WCallCommand: Equatable, Encodable, Decodable {
-    case capabilities(useWorker: Bool? = nil)
+    case capabilities(media: CallMediaType, useWorker: Bool? = nil)
     case start(media: CallMediaType, aesKey: String? = nil, useWorker: Bool? = nil, iceServers: [RTCIceServer]? = nil, relay: Bool? = nil)
     case offer(offer: String, iceCandidates: String, media: CallMediaType, aesKey: String? = nil, useWorker: Bool? = nil, iceServers: [RTCIceServer]? = nil, relay: Bool? = nil)
     case answer(answer: String, iceCandidates: String)
@@ -143,8 +143,9 @@ enum WCallCommand: Equatable, Encodable, Decodable {
     func encode(to encoder: Encoder) throws {
         var container = encoder.container(keyedBy: CodingKeys.self)
         switch self {
-        case let .capabilities(useWorker):
+        case let .capabilities(media, useWorker):
             try container.encode("capabilities", forKey: .type)
+            try container.encode(media, forKey: .media)
             try container.encode(useWorker, forKey: .useWorker)
         case let .start(media, aesKey, useWorker, iceServers, relay):
             try container.encode("start", forKey: .type)
@@ -186,8 +187,9 @@ enum WCallCommand: Equatable, Encodable, Decodable {
         let type = try container.decode(String.self, forKey: CodingKeys.type)
         switch type {
         case "capabilities":
+            let media = try container.decode(CallMediaType.self, forKey: CodingKeys.media)
             let useWorker = try container.decode((Bool?).self, forKey: CodingKeys.useWorker)
-            self = .capabilities(useWorker: useWorker)
+            self = .capabilities(media: media, useWorker: useWorker)
         case "start":
             let media = try container.decode(CallMediaType.self, forKey: CodingKeys.media)
             let aesKey = try? container.decode(String.self, forKey: CodingKeys.aesKey)

apps/ios/Shared/Views/UserSettings/CallSettings.swift

@@ -0,0 +1,25 @@
+//
+//  CallSettings.swift
+//  SimpleX (iOS)
+//
+//  Created by Evgeny on 27/05/2022.
+//  Copyright © 2022 SimpleX Chat. All rights reserved.
+//
+
+import SwiftUI
+
+struct CallSettings: View {
+    @AppStorage(DEFAULT_WEBRTC_POLICY_RELAY) private var webrtcPolicyRelay = true
+
+    var body: some View {
+        List {
+            Toggle("Connect via relay", isOn: $webrtcPolicyRelay)
+        }
+    }
+}
+
+struct CallSettings_Previews: PreviewProvider {
+    static var previews: some View {
+        CallSettings()
+    }
+}

apps/ios/Shared/Views/UserSettings/SettingsView.swift

@@ -16,6 +16,13 @@ let appBuild = Bundle.main.object(forInfoDictionaryKey: "CFBundleVersion")  as?
 
 let DEFAULT_USE_NOTIFICATIONS = "useNotifications"
 let DEFAULT_PENDING_CONNECTIONS = "pendingConnections"
+let DEFAULT_WEBRTC_POLICY_RELAY = "webrtcPolicyRelay"
+
+let appDefaults: [String:Any] = [
+    DEFAULT_USE_NOTIFICATIONS: false,
+    DEFAULT_PENDING_CONNECTIONS: true,
+    DEFAULT_WEBRTC_POLICY_RELAY: true
+]
 
 private var indent: CGFloat = 36
 
@@ -59,6 +66,12 @@ struct SettingsView: View {
                     } label: {
                         settingsRow("server.rack") { Text("SMP servers") }
                     }
+                    NavigationLink {
+                        CallSettings()
+                            .navigationTitle("Call settings")
+                    } label: {
+                        settingsRow("video") { Text("Call settings") }
+                    }
                 }
 
                 Section("Help") {

apps/ios/SimpleX Localizations/en.xcloc/Localized Contents/en.xliff

@@ -20,11 +20,6 @@
         <target> (can be copied)</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id=" wants to connect with you via " xml:space="preserve">
-        <source> wants to connect with you via </source>
-        <target> wants to connect with you via </target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="!1 colored!" xml:space="preserve">
         <source>!1 colored!</source>
         <target>!1 colored!</target>
@@ -133,7 +128,8 @@
       <trans-unit id="Accept" xml:space="preserve">
         <source>Accept</source>
         <target>Accept</target>
-        <note>accept contact request via notification</note>
+        <note>accept contact request via notification
+   accept incoming call via notification</note>
       </trans-unit>
       <trans-unit id="Accept contact" xml:space="preserve">
         <source>Accept contact</source>
@@ -165,11 +161,6 @@
         <target>Already connected?</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="Answer" xml:space="preserve">
-        <source>Answer</source>
-        <target>Answer</target>
-        <note>accept incoming call via notification</note>
-      </trans-unit>
       <trans-unit id="Answer call" xml:space="preserve">
         <source>Answer call</source>
         <target>Answer call</target>
@@ -185,16 +176,16 @@
         <target>Call already ended!</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
+      <trans-unit id="Call settings" xml:space="preserve">
+        <source>Call settings</source>
+        <target>Call settings</target>
+        <note>No comment provided by engineer.</note>
+      </trans-unit>
       <trans-unit id="Cancel" xml:space="preserve">
         <source>Cancel</source>
         <target>Cancel</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="Capabilities" xml:space="preserve">
-        <source>Capabilities</source>
-        <target>Capabilities</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="Chat console" xml:space="preserve">
         <source>Chat console</source>
         <target>Chat console</target>
@@ -275,6 +266,11 @@
         <target>Connect via one-time link?</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
+      <trans-unit id="Connect via relay" xml:space="preserve">
+        <source>Connect via relay</source>
+        <target>Connect via relay</target>
+        <note>No comment provided by engineer.</note>
+      </trans-unit>
       <trans-unit id="Connect with the developers" xml:space="preserve">
         <source>Connect with the developers</source>
         <target>Connect with the developers</target>
@@ -460,11 +456,6 @@
         <target>Enable notifications? (BETA)</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="End" xml:space="preserve">
-        <source>End</source>
-        <target>End</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="Enter one SMP server per line:" xml:space="preserve">
         <source>Enter one SMP server per line:</source>
         <target>Enter one SMP server per line:</target>
@@ -540,11 +531,6 @@
         <target>How to use markdown</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="ICE" xml:space="preserve">
-        <source>ICE</source>
-        <target>ICE</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="If you can't meet in person, **show QR code in the video call**, or share the link." xml:space="preserve">
         <source>If you can't meet in person, **show QR code in the video call**, or share the link.</source>
         <target>If you can't meet in person, **show QR code in the video call**, or share the link.</target>
@@ -558,7 +544,7 @@
       <trans-unit id="Ignore" xml:space="preserve">
         <source>Ignore</source>
         <target>Ignore</target>
-        <note>ignore incoming call via notification</note>
+        <note>No comment provided by engineer.</note>
       </trans-unit>
       <trans-unit id="Image will be received when your contact is online, please wait or check later!" xml:space="preserve">
         <source>Image will be received when your contact is online, please wait or check later!</source>
@@ -748,7 +734,7 @@
       <trans-unit id="Reject" xml:space="preserve">
         <source>Reject</source>
         <target>Reject</target>
-        <note>No comment provided by engineer.</note>
+        <note>reject incoming call via notification</note>
       </trans-unit>
       <trans-unit id="Reject contact (sender NOT notified)" xml:space="preserve">
         <source>Reject contact (sender NOT notified)</source>
@@ -795,11 +781,6 @@
         <target>Scan contact's QR code</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="Send" xml:space="preserve">
-        <source>Send</source>
-        <target>Send</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="Server connected" xml:space="preserve">
         <source>Server connected</source>
         <target>Server connected</target>
@@ -830,11 +811,6 @@
         <target>Show pending connections</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="Start" xml:space="preserve">
-        <source>Start</source>
-        <target>Start</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="Take picture" xml:space="preserve">
         <source>Take picture</source>
         <target>Take picture</target>
@@ -1113,9 +1089,9 @@ SimpleX servers cannot see your profile.</target>
         <target>above, then choose:</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="accepted" xml:space="preserve">
-        <source>accepted</source>
-        <target>accepted</target>
+      <trans-unit id="accepted call" xml:space="preserve">
+        <source>accepted call</source>
+        <target>accepted call</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="audio call (not e2e encrypted)" xml:space="preserve">
@@ -1128,6 +1104,16 @@ SimpleX servers cannot see your profile.</target>
         <target>bold</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
+      <trans-unit id="call error" xml:space="preserve">
+        <source>call error</source>
+        <target>call error</target>
+        <note>call status</note>
+      </trans-unit>
+      <trans-unit id="call in progress" xml:space="preserve">
+        <source>call in progress</source>
+        <target>call in progress</target>
+        <note>call status</note>
+      </trans-unit>
       <trans-unit id="calling…" xml:space="preserve">
         <source>calling…</source>
         <target>calling…</target>
@@ -1148,11 +1134,15 @@ SimpleX servers cannot see your profile.</target>
         <target>connected</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
+      <trans-unit id="connecting call…" xml:space="preserve">
+        <source>connecting call…</source>
+        <target>connecting call…</target>
+        <note>call status</note>
+      </trans-unit>
       <trans-unit id="connecting…" xml:space="preserve">
         <source>connecting…</source>
         <target>connecting…</target>
-        <note>call status
-   chat list item title</note>
+        <note>chat list item title</note>
       </trans-unit>
       <trans-unit id="connection established" xml:space="preserve">
         <source>connection established</source>
@@ -1184,19 +1174,14 @@ SimpleX servers cannot see your profile.</target>
         <target>e2e encrypted</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="ended %@" xml:space="preserve">
-        <source>ended %@</source>
-        <target>ended %@</target>
-        <note>call status</note>
+      <trans-unit id="ended" xml:space="preserve">
+        <source>ended</source>
+        <target>ended</target>
+        <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="error" xml:space="preserve">
-        <source>error</source>
-        <target>error</target>
-        <note>call status</note>
-      </trans-unit>
-      <trans-unit id="in progress" xml:space="preserve">
-        <source>in progress</source>
-        <target>in progress</target>
+      <trans-unit id="ended call %@" xml:space="preserve">
+        <source>ended call %@</source>
+        <target>ended call %@</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="invited to connect" xml:space="preserve">
@@ -1209,9 +1194,9 @@ SimpleX servers cannot see your profile.</target>
         <target>italic</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="missed" xml:space="preserve">
-        <source>missed</source>
-        <target>missed</target>
+      <trans-unit id="missed call" xml:space="preserve">
+        <source>missed call</source>
+        <target>missed call</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="no e2e encryption" xml:space="preserve">
@@ -1234,9 +1219,14 @@ SimpleX servers cannot see your profile.</target>
         <target>received answer…</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="rejected" xml:space="preserve">
-        <source>rejected</source>
-        <target>rejected</target>
+      <trans-unit id="received confirmation…" xml:space="preserve">
+        <source>received confirmation…</source>
+        <target>received confirmation…</target>
+        <note>No comment provided by engineer.</note>
+      </trans-unit>
+      <trans-unit id="rejected call" xml:space="preserve">
+        <source>rejected call</source>
+        <target>rejected call</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="secret" xml:space="preserve">
@@ -1299,11 +1289,6 @@ SimpleX servers cannot see your profile.</target>
         <target>wants to connect to you!</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="with e2e encryption" xml:space="preserve">
-        <source>with e2e encryption</source>
-        <target>with e2e encryption</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="you shared one-time link" xml:space="preserve">
         <source>you shared one-time link</source>
         <target>you shared one-time link</target>
@@ -1410,9 +1395,9 @@ SimpleX servers cannot see your profile.</target>
         <target>You can now send messages to %@</target>
         <note>notification body</note>
       </trans-unit>
-      <trans-unit id="accepted" xml:space="preserve">
-        <source>accepted</source>
-        <target>accepted</target>
+      <trans-unit id="accepted call" xml:space="preserve">
+        <source>accepted call</source>
+        <target>accepted call</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="audio call (not e2e encrypted)" xml:space="preserve">
@@ -1420,16 +1405,30 @@ SimpleX servers cannot see your profile.</target>
         <target>audio call (not e2e encrypted)</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
+      <trans-unit id="call error" xml:space="preserve">
+        <source>call error</source>
+        <target>call error</target>
+        <note>call status</note>
+      </trans-unit>
+      <trans-unit id="call in progress" xml:space="preserve">
+        <source>call in progress</source>
+        <target>call in progress</target>
+        <note>call status</note>
+      </trans-unit>
       <trans-unit id="calling…" xml:space="preserve">
         <source>calling…</source>
         <target>calling…</target>
         <note>call status</note>
       </trans-unit>
+      <trans-unit id="connecting call…" xml:space="preserve">
+        <source>connecting call…</source>
+        <target>connecting call…</target>
+        <note>call status</note>
+      </trans-unit>
       <trans-unit id="connecting…" xml:space="preserve">
         <source>connecting…</source>
         <target>connecting…</target>
-        <note>call status
-   chat list item title</note>
+        <note>chat list item title</note>
       </trans-unit>
       <trans-unit id="connection established" xml:space="preserve">
         <source>connection established</source>
@@ -1446,19 +1445,9 @@ SimpleX servers cannot see your profile.</target>
         <target>deleted</target>
         <note>deleted chat item</note>
       </trans-unit>
-      <trans-unit id="ended %@" xml:space="preserve">
-        <source>ended %@</source>
-        <target>ended %@</target>
-        <note>call status</note>
-      </trans-unit>
-      <trans-unit id="error" xml:space="preserve">
-        <source>error</source>
-        <target>error</target>
-        <note>call status</note>
-      </trans-unit>
-      <trans-unit id="in progress" xml:space="preserve">
-        <source>in progress</source>
-        <target>in progress</target>
+      <trans-unit id="ended call %@" xml:space="preserve">
+        <source>ended call %@</source>
+        <target>ended call %@</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="invited to connect" xml:space="preserve">
@@ -1466,19 +1455,14 @@ SimpleX servers cannot see your profile.</target>
         <target>invited to connect</target>
         <note>chat list item title</note>
       </trans-unit>
-      <trans-unit id="missed" xml:space="preserve">
-        <source>missed</source>
-        <target>missed</target>
+      <trans-unit id="missed call" xml:space="preserve">
+        <source>missed call</source>
+        <target>missed call</target>
         <note>call status</note>
       </trans-unit>
-      <trans-unit id="no e2e encryption" xml:space="preserve">
-        <source>no e2e encryption</source>
-        <target>no e2e encryption</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
-      <trans-unit id="rejected" xml:space="preserve">
-        <source>rejected</source>
-        <target>rejected</target>
+      <trans-unit id="rejected call" xml:space="preserve">
+        <source>rejected call</source>
+        <target>rejected call</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="via contact address link" xml:space="preserve">
@@ -1496,11 +1480,6 @@ SimpleX servers cannot see your profile.</target>
         <target>video call (not e2e encrypted)</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="with e2e encryption" xml:space="preserve">
-        <source>with e2e encryption</source>
-        <target>with e2e encryption</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="you shared one-time link" xml:space="preserve">
         <source>you shared one-time link</source>
         <target>you shared one-time link</target>

apps/ios/SimpleX Localizations/ru.xcloc/Localized Contents/ru.xliff

@@ -20,11 +20,6 @@
         <target> (можно скопировать)</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id=" wants to connect with you via " xml:space="preserve">
-        <source> wants to connect with you via </source>
-        <target> хочет связаться с вами через </target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="!1 colored!" xml:space="preserve">
         <source>!1 colored!</source>
         <target>!1 цвет!</target>
@@ -133,7 +128,8 @@
       <trans-unit id="Accept" xml:space="preserve">
         <source>Accept</source>
         <target>Принять</target>
-        <note>accept contact request via notification</note>
+        <note>accept contact request via notification
+   accept incoming call via notification</note>
       </trans-unit>
       <trans-unit id="Accept contact" xml:space="preserve">
         <source>Accept contact</source>
@@ -165,11 +161,6 @@
         <target>Соединение уже установлено?</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="Answer" xml:space="preserve">
-        <source>Answer</source>
-        <target>Ответить</target>
-        <note>accept incoming call via notification</note>
-      </trans-unit>
       <trans-unit id="Answer call" xml:space="preserve">
         <source>Answer call</source>
         <target>Принять звонок</target>
@@ -185,16 +176,16 @@
         <target>Звонок уже завершен!</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
+      <trans-unit id="Call settings" xml:space="preserve">
+        <source>Call settings</source>
+        <target>Настройки звонков</target>
+        <note>No comment provided by engineer.</note>
+      </trans-unit>
       <trans-unit id="Cancel" xml:space="preserve">
         <source>Cancel</source>
         <target>Отменить</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="Capabilities" xml:space="preserve">
-        <source>Capabilities</source>
-        <target>Возможности</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="Chat console" xml:space="preserve">
         <source>Chat console</source>
         <target>Консоль</target>
@@ -275,6 +266,11 @@
         <target>Соединиться через одноразовую ссылку?</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
+      <trans-unit id="Connect via relay" xml:space="preserve">
+        <source>Connect via relay</source>
+        <target>Соединяться через сервер (relay)</target>
+        <note>No comment provided by engineer.</note>
+      </trans-unit>
       <trans-unit id="Connect with the developers" xml:space="preserve">
         <source>Connect with the developers</source>
         <target>Соединиться с разработчиками</target>
@@ -460,11 +456,6 @@
         <target>Включить уведомления? (БЕТА)</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="End" xml:space="preserve">
-        <source>End</source>
-        <target>Завершить</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="Enter one SMP server per line:" xml:space="preserve">
         <source>Enter one SMP server per line:</source>
         <target>Введите SMP серверы, каждый на отдельной строке:</target>
@@ -540,11 +531,6 @@
         <target>Как форматировать</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="ICE" xml:space="preserve">
-        <source>ICE</source>
-        <target>ICE</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="If you can't meet in person, **show QR code in the video call**, or share the link." xml:space="preserve">
         <source>If you can't meet in person, **show QR code in the video call**, or share the link.</source>
         <target>Если вы не можете встретиться лично, вы можете **показать QR код во время видеозвонка**, или поделиться ссылкой.</target>
@@ -558,7 +544,7 @@
       <trans-unit id="Ignore" xml:space="preserve">
         <source>Ignore</source>
         <target>Не отвечать</target>
-        <note>ignore incoming call via notification</note>
+        <note>No comment provided by engineer.</note>
       </trans-unit>
       <trans-unit id="Image will be received when your contact is online, please wait or check later!" xml:space="preserve">
         <source>Image will be received when your contact is online, please wait or check later!</source>
@@ -748,7 +734,7 @@
       <trans-unit id="Reject" xml:space="preserve">
         <source>Reject</source>
         <target>Отклонить</target>
-        <note>No comment provided by engineer.</note>
+        <note>reject incoming call via notification</note>
       </trans-unit>
       <trans-unit id="Reject contact (sender NOT notified)" xml:space="preserve">
         <source>Reject contact (sender NOT notified)</source>
@@ -795,11 +781,6 @@
         <target>Сосканировать QR код контакта</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="Send" xml:space="preserve">
-        <source>Send</source>
-        <target>Отправить</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="Server connected" xml:space="preserve">
         <source>Server connected</source>
         <target>Установлено соединение с сервером</target>
@@ -830,11 +811,6 @@
         <target>Показать ожидаемые соединения</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="Start" xml:space="preserve">
-        <source>Start</source>
-        <target>Начать</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="Take picture" xml:space="preserve">
         <source>Take picture</source>
         <target>Сделать фото</target>
@@ -1113,9 +1089,9 @@ SimpleX серверы не могут получить доступ к ваше
         <target>наверху, затем выберите:</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="accepted" xml:space="preserve">
-        <source>accepted</source>
-        <target>принятый звонок</target>
+      <trans-unit id="accepted call" xml:space="preserve">
+        <source>accepted call</source>
+        <target> принятый звонок</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="audio call (not e2e encrypted)" xml:space="preserve">
@@ -1128,6 +1104,16 @@ SimpleX серверы не могут получить доступ к ваше
         <target>жирный</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
+      <trans-unit id="call error" xml:space="preserve">
+        <source>call error</source>
+        <target>ошибка звонка</target>
+        <note>call status</note>
+      </trans-unit>
+      <trans-unit id="call in progress" xml:space="preserve">
+        <source>call in progress</source>
+        <target>активный звонок</target>
+        <note>call status</note>
+      </trans-unit>
       <trans-unit id="calling…" xml:space="preserve">
         <source>calling…</source>
         <target>входящий звонок…</target>
@@ -1148,11 +1134,15 @@ SimpleX серверы не могут получить доступ к ваше
         <target>соединение установлено</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
+      <trans-unit id="connecting call…" xml:space="preserve">
+        <source>connecting call…</source>
+        <target>звонок соединяется…</target>
+        <note>call status</note>
+      </trans-unit>
       <trans-unit id="connecting…" xml:space="preserve">
         <source>connecting…</source>
         <target>соединяется…</target>
-        <note>call status
-   chat list item title</note>
+        <note>chat list item title</note>
       </trans-unit>
       <trans-unit id="connection established" xml:space="preserve">
         <source>connection established</source>
@@ -1184,19 +1174,14 @@ SimpleX серверы не могут получить доступ к ваше
         <target>e2e зашифровано</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="ended %@" xml:space="preserve">
-        <source>ended %@</source>
-        <target>завершен %@</target>
-        <note>call status</note>
+      <trans-unit id="ended" xml:space="preserve">
+        <source>ended</source>
+        <target>завершён</target>
+        <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="error" xml:space="preserve">
-        <source>error</source>
-        <target>ошибка соединения</target>
-        <note>call status</note>
-      </trans-unit>
-      <trans-unit id="in progress" xml:space="preserve">
-        <source>in progress</source>
-        <target>активный звонок</target>
+      <trans-unit id="ended call %@" xml:space="preserve">
+        <source>ended call %@</source>
+        <target>завершённый звонок %@</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="invited to connect" xml:space="preserve">
@@ -1209,8 +1194,8 @@ SimpleX серверы не могут получить доступ к ваше
         <target>курсив</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="missed" xml:space="preserve">
-        <source>missed</source>
+      <trans-unit id="missed call" xml:space="preserve">
+        <source>missed call</source>
         <target>пропущенный звонок</target>
         <note>call status</note>
       </trans-unit>
@@ -1234,9 +1219,14 @@ SimpleX серверы не могут получить доступ к ваше
         <target>получен ответ…</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="rejected" xml:space="preserve">
-        <source>rejected</source>
-        <target>отклоненный звонок</target>
+      <trans-unit id="received confirmation…" xml:space="preserve">
+        <source>received confirmation…</source>
+        <target>получено подтверждение…</target>
+        <note>No comment provided by engineer.</note>
+      </trans-unit>
+      <trans-unit id="rejected call" xml:space="preserve">
+        <source>rejected call</source>
+        <target>отклонённый звонок</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="secret" xml:space="preserve">
@@ -1299,11 +1289,6 @@ SimpleX серверы не могут получить доступ к ваше
         <target>хочет соединиться с вами!</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="with e2e encryption" xml:space="preserve">
-        <source>with e2e encryption</source>
-        <target>e2e зашифровано</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="you shared one-time link" xml:space="preserve">
         <source>you shared one-time link</source>
         <target>вы создали ссылку</target>
@@ -1410,9 +1395,9 @@ SimpleX серверы не могут получить доступ к ваше
         <target>Вы можете отправлять сообщения %@</target>
         <note>notification body</note>
       </trans-unit>
-      <trans-unit id="accepted" xml:space="preserve">
-        <source>accepted</source>
-        <target>принятый звонок</target>
+      <trans-unit id="accepted call" xml:space="preserve">
+        <source>accepted call</source>
+        <target>принятный звонок</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="audio call (not e2e encrypted)" xml:space="preserve">
@@ -1420,16 +1405,30 @@ SimpleX серверы не могут получить доступ к ваше
         <target>аудиозвонок (не e2e зашифрованный)</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
+      <trans-unit id="call error" xml:space="preserve">
+        <source>call error</source>
+        <target>ошибка звонка</target>
+        <note>call status</note>
+      </trans-unit>
+      <trans-unit id="call in progress" xml:space="preserve">
+        <source>call in progress</source>
+        <target>активный звонок</target>
+        <note>call status</note>
+      </trans-unit>
       <trans-unit id="calling…" xml:space="preserve">
         <source>calling…</source>
         <target>входящий звонок…</target>
         <note>call status</note>
       </trans-unit>
+      <trans-unit id="connecting call…" xml:space="preserve">
+        <source>connecting call…</source>
+        <target>звонок соединяется…</target>
+        <note>call status</note>
+      </trans-unit>
       <trans-unit id="connecting…" xml:space="preserve">
         <source>connecting…</source>
         <target>соединяется…</target>
-        <note>call status
-   chat list item title</note>
+        <note>chat list item title</note>
       </trans-unit>
       <trans-unit id="connection established" xml:space="preserve">
         <source>connection established</source>
@@ -1446,19 +1445,9 @@ SimpleX серверы не могут получить доступ к ваше
         <target>удалено</target>
         <note>deleted chat item</note>
       </trans-unit>
-      <trans-unit id="ended %@" xml:space="preserve">
-        <source>ended %@</source>
-        <target>завершен %@</target>
-        <note>call status</note>
-      </trans-unit>
-      <trans-unit id="error" xml:space="preserve">
-        <source>error</source>
-        <target>ошибка соединения</target>
-        <note>call status</note>
-      </trans-unit>
-      <trans-unit id="in progress" xml:space="preserve">
-        <source>in progress</source>
-        <target>активный звонок</target>
+      <trans-unit id="ended call %@" xml:space="preserve">
+        <source>ended call %@</source>
+        <target>завершённый звонок %@</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="invited to connect" xml:space="preserve">
@@ -1466,19 +1455,14 @@ SimpleX серверы не могут получить доступ к ваше
         <target>приглашение соединиться</target>
         <note>chat list item title</note>
       </trans-unit>
-      <trans-unit id="missed" xml:space="preserve">
-        <source>missed</source>
+      <trans-unit id="missed call" xml:space="preserve">
+        <source>missed call</source>
         <target>пропущенный звонок</target>
         <note>call status</note>
       </trans-unit>
-      <trans-unit id="no e2e encryption" xml:space="preserve">
-        <source>no e2e encryption</source>
-        <target>нет e2e шифрования</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
-      <trans-unit id="rejected" xml:space="preserve">
-        <source>rejected</source>
-        <target>отклоненный звонок</target>
+      <trans-unit id="rejected call" xml:space="preserve">
+        <source>rejected call</source>
+        <target>отклонённый звонок</target>
         <note>call status</note>
       </trans-unit>
       <trans-unit id="via contact address link" xml:space="preserve">
@@ -1496,11 +1480,6 @@ SimpleX серверы не могут получить доступ к ваше
         <target>видеозвонок (не e2e зашифрованный)</target>
         <note>No comment provided by engineer.</note>
       </trans-unit>
-      <trans-unit id="with e2e encryption" xml:space="preserve">
-        <source>with e2e encryption</source>
-        <target>e2e зашифровано</target>
-        <note>No comment provided by engineer.</note>
-      </trans-unit>
       <trans-unit id="you shared one-time link" xml:space="preserve">
         <source>you shared one-time link</source>
         <target>вы создали одноразовую ссылку</target>

apps/ios/SimpleX NSE/ru.lproj/Localizable.strings

@@ -14,16 +14,24 @@
 "Accept contact request from %@?" = "Принять запрос на соединение от %@?";
 
 /* call status */
-"accepted" = "принятый звонок";
+"accepted call" = "принятный звонок";
 
 /* No comment provided by engineer. */
 "audio call (not e2e encrypted)" = "аудиозвонок (не e2e зашифрованный)";
 
+/* call status */
+"call error" = "ошибка звонка";
+
+/* call status */
+"call in progress" = "активный звонок";
+
 /* call status */
 "calling…" = "входящий звонок…";
 
-/* call status
-   chat list item title */
+/* call status */
+"connecting call…" = "звонок соединяется…";
+
+/* chat list item title */
 "connecting…" = "соединяется…";
 
 /* chat list item title (it should not be shown */
@@ -36,13 +44,7 @@
 "deleted" = "удалено";
 
 /* call status */
-"ended %@" = "завершен %@";
-
-/* call status */
-"error" = "ошибка соединения";
-
-/* call status */
-"in progress" = "активный звонок";
+"ended call %@" = "завершённый звонок %@";
 
 /* notification */
 "Incoming audio call" = "Входящий аудиозвонок";
@@ -54,13 +56,10 @@
 "invited to connect" = "приглашение соединиться";
 
 /* call status */
-"missed" = "пропущенный звонок";
-
-/* No comment provided by engineer. */
-"no e2e encryption" = "нет e2e шифрования";
+"missed call" = "пропущенный звонок";
 
 /* call status */
-"rejected" = "отклоненный звонок";
+"rejected call" = "отклонённый звонок";
 
 /* chat list item description */
 "via contact address link" = "через ссылку-контакт";
@@ -71,9 +70,6 @@
 /* No comment provided by engineer. */
 "video call (not e2e encrypted)" = "видеозвонок (не e2e зашифрованный)";
 
-/* No comment provided by engineer. */
-"with e2e encryption" = "e2e зашифровано";
-
 /* notification body */
 "You can now send messages to %@" = "Вы можете отправлять сообщения %@";
 

apps/ios/SimpleX--iOS--Info.plist

@@ -23,10 +23,8 @@
 	<false/>
 	<key>UIBackgroundModes</key>
 	<array>
-		<string>audio</string>
 		<string>fetch</string>
 		<string>remote-notification</string>
-		<string>voip</string>
 	</array>
 </dict>
 </plist>

apps/ios/SimpleX.xcodeproj/project.pbxproj

@@ -14,6 +14,7 @@
 		3CDBCF4827FF621E00354CDD /* CILinkView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3CDBCF4727FF621E00354CDD /* CILinkView.swift */; };
 		5C029EA82837DBB3004A9677 /* CICallItemView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5C029EA72837DBB3004A9677 /* CICallItemView.swift */; };
 		5C029EAA283942EA004A9677 /* CallController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5C029EA9283942EA004A9677 /* CallController.swift */; };
+		5C05DF532840AA1D00C683F9 /* CallSettings.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5C05DF522840AA1D00C683F9 /* CallSettings.swift */; };
 		5C063D2727A4564100AEC577 /* ChatPreviewView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5C063D2627A4564100AEC577 /* ChatPreviewView.swift */; };
 		5C116CDC27AABE0400E66D01 /* ContactRequestView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5C116CDB27AABE0400E66D01 /* ContactRequestView.swift */; };
 		5C13730B28156D2700F43030 /* ContactConnectionView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5C13730A28156D2700F43030 /* ContactConnectionView.swift */; };
@@ -138,6 +139,7 @@
 		3CDBCF4727FF621E00354CDD /* CILinkView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CILinkView.swift; sourceTree = "<group>"; };
 		5C029EA72837DBB3004A9677 /* CICallItemView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CICallItemView.swift; sourceTree = "<group>"; };
 		5C029EA9283942EA004A9677 /* CallController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CallController.swift; sourceTree = "<group>"; };
+		5C05DF522840AA1D00C683F9 /* CallSettings.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CallSettings.swift; sourceTree = "<group>"; };
 		5C063D2627A4564100AEC577 /* ChatPreviewView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ChatPreviewView.swift; sourceTree = "<group>"; };
 		5C116CDB27AABE0400E66D01 /* ContactRequestView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContactRequestView.swift; sourceTree = "<group>"; };
 		5C13730A28156D2700F43030 /* ContactConnectionView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContactConnectionView.swift; sourceTree = "<group>"; };
@@ -463,6 +465,7 @@
 			children = (
 				5CB924D327A853F100ACCCDD /* SettingsButton.swift */,
 				5CB924D627A8563F00ACCCDD /* SettingsView.swift */,
+				5C05DF522840AA1D00C683F9 /* CallSettings.swift */,
 				5CB924E327A8683A00ACCCDD /* UserAddress.swift */,
 				5CB924E027A867BA00ACCCDD /* UserProfile.swift */,
 				5C577F7C27C83AA10006112D /* MarkdownHelp.swift */,
@@ -624,7 +627,6 @@
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
-				Base,
 				ru,
 			);
 			mainGroup = 5CA059BD279559F40002BEB4;
@@ -717,6 +719,7 @@
 				649BCDA0280460FD00C3A862 /* ComposeImageView.swift in Sources */,
 				5CA059ED279559F40002BEB4 /* ContentView.swift in Sources */,
 				5CCD403427A5F6DF00368C90 /* AddContactView.swift in Sources */,
+				5C05DF532840AA1D00C683F9 /* CallSettings.swift in Sources */,
 				5CFE0921282EEAF60002594B /* ZoomableScrollView.swift in Sources */,
 				5C3A88CE27DF50170060F1C2 /* DetermineWidth.swift in Sources */,
 				5CB0BA962827143500B3292C /* MakeConnection.swift in Sources */,

apps/ios/SimpleX.xcodeproj/xcshareddata/xcschemes/SimpleX (iOS).xcscheme

@@ -49,8 +49,7 @@
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
-      allowLocationSimulation = "YES"
-      showNonLocalizedStrings = "YES">
+      allowLocationSimulation = "YES">
       <BuildableProductRunnable
          runnableDebuggingMode = "0">
          <BuildableReference

apps/ios/ru.lproj/Localizable.strings

@@ -7,9 +7,6 @@
 /* No comment provided by engineer. */
 " (can be copied)" = " (можно скопировать)";
 
-/* No comment provided by engineer. */
-" wants to connect with you via " = " хочет связаться с вами через ";
-
 /* No comment provided by engineer. */
 "_italic_" = "\\_курсив_";
 
@@ -88,7 +85,8 @@
 /* No comment provided by engineer. */
 "above, then choose:" = "наверху, затем выберите:";
 
-/* accept contact request via notification */
+/* accept contact request via notification
+   accept incoming call via notification */
 "Accept" = "Принять";
 
 /* No comment provided by engineer. */
@@ -98,7 +96,7 @@
 "Accept contact request from %@?" = "Принять запрос на соединение от %@?";
 
 /* call status */
-"accepted" = "принятый звонок";
+"accepted call" = " принятый звонок";
 
 /* No comment provided by engineer. */
 "Add contact to start a new chat" = "Добавьте контакт, чтобы начать разговор";
@@ -112,9 +110,6 @@
 /* No comment provided by engineer. */
 "Already connected?" = "Соединение уже установлено?";
 
-/* accept incoming call via notification */
-"Answer" = "Ответить";
-
 /* No comment provided by engineer. */
 "Answer call" = "Принять звонок";
 
@@ -130,15 +125,21 @@
 /* No comment provided by engineer. */
 "Call already ended!" = "Звонок уже завершен!";
 
+/* call status */
+"call error" = "ошибка звонка";
+
+/* call status */
+"call in progress" = "активный звонок";
+
+/* No comment provided by engineer. */
+"Call settings" = "Настройки звонков";
+
 /* call status */
 "calling…" = "входящий звонок…";
 
 /* No comment provided by engineer. */
 "Cancel" = "Отменить";
 
-/* No comment provided by engineer. */
-"Capabilities" = "Возможности";
-
 /* No comment provided by engineer. */
 "Chat console" = "Консоль";
 
@@ -193,20 +194,25 @@
 /* No comment provided by engineer. */
 "Connect via one-time link?" = "Соединиться через одноразовую ссылку?";
 
+/* No comment provided by engineer. */
+"Connect via relay" = "Соединяться через сервер (relay)";
+
 /* No comment provided by engineer. */
 "Connect with the developers" = "Соединиться с разработчиками";
 
 /* No comment provided by engineer. */
 "connected" = "соединение установлено";
 
+/* call status */
+"connecting call…" = "звонок соединяется…";
+
 /* No comment provided by engineer. */
 "Connecting server…" = "Устанавливается соединение с сервером…";
 
 /* No comment provided by engineer. */
 "Connecting server… (error: %@)" = "Устанавливается соединение с сервером… (ошибка: %@)";
 
-/* call status
-   chat list item title */
+/* chat list item title */
 "connecting…" = "соединяется…";
 
 /* No comment provided by engineer. */
@@ -330,17 +336,14 @@
 "Enable notifications? (BETA)" = "Включить уведомления? (БЕТА)";
 
 /* No comment provided by engineer. */
-"End" = "Завершить";
+"ended" = "завершён";
 
 /* call status */
-"ended %@" = "завершен %@";
+"ended call %@" = "завершённый звонок %@";
 
 /* No comment provided by engineer. */
 "Enter one SMP server per line:" = "Введите SMP серверы, каждый на отдельной строке:";
 
-/* call status */
-"error" = "ошибка соединения";
-
 /* No comment provided by engineer. */
 "Error deleting token" = "Ошибка удаления токена";
 
@@ -383,16 +386,13 @@
 /* No comment provided by engineer. */
 "How to use markdown" = "Как форматировать";
 
-/* No comment provided by engineer. */
-"ICE" = "ICE";
-
 /* No comment provided by engineer. */
 "If you can't meet in person, **show QR code in the video call**, or share the link." = "Если вы не можете встретиться лично, вы можете **показать QR код во время видеозвонка**, или поделиться ссылкой.";
 
 /* No comment provided by engineer. */
 "If you cannot meet in person, you can **scan QR code in the video call**, or your contact can share an invitation link." = "Если вы не можете встретиться лично, вы можете **сосканировать QR код во время видеозвонка**, или ваш контакт может отправить вам ссылку.";
 
-/* ignore incoming call via notification */
+/* No comment provided by engineer. */
 "Ignore" = "Не отвечать";
 
 /* No comment provided by engineer. */
@@ -404,9 +404,6 @@
 /* No comment provided by engineer. */
 "In person or via a video call – the most secure way to connect." = "При встрече или в видеозвонке – самый безопасный способ установить соединение";
 
-/* call status */
-"in progress" = "активный звонок";
-
 /* notification */
 "Incoming audio call" = "Входящий аудиозвонок";
 
@@ -453,7 +450,7 @@
 "Message delivery error" = "Ошибка доставки сообщения";
 
 /* call status */
-"missed" = "пропущенный звонок";
+"missed call" = "пропущенный звонок";
 
 /* No comment provided by engineer. */
 "Most likely this contact has deleted the connection with you." = "Скорее всего, этот контакт удалил соединение с вами.";
@@ -531,6 +528,9 @@
 "received answer…" = "получен ответ…";
 
 /* No comment provided by engineer. */
+"received confirmation…" = "получено подтверждение…";
+
+/* reject incoming call via notification */
 "Reject" = "Отклонить";
 
 /* No comment provided by engineer. */
@@ -540,7 +540,7 @@
 "Reject contact request" = "Отклонить запрос";
 
 /* call status */
-"rejected" = "отклоненный звонок";
+"rejected call" = "отклонённый звонок";
 
 /* No comment provided by engineer. */
 "Reply" = "Ответить";
@@ -563,9 +563,6 @@
 /* No comment provided by engineer. */
 "secret" = "секрет";
 
-/* No comment provided by engineer. */
-"Send" = "Отправить";
-
 /* No comment provided by engineer. */
 "Server connected" = "Установлено соединение с сервером";
 
@@ -587,9 +584,6 @@
 /* No comment provided by engineer. */
 "SMP servers" = "SMP серверы";
 
-/* No comment provided by engineer. */
-"Start" = "Начать";
-
 /* No comment provided by engineer. */
 "starting…" = "инициализация…";
 
@@ -698,9 +692,6 @@
 /* No comment provided by engineer. */
 "Welcome %@!" = "Здравствуйте %@!";
 
-/* No comment provided by engineer. */
-"with e2e encryption" = "e2e зашифровано";
-
 /* No comment provided by engineer. */
 "You" = "Вы";
 

packages/simplex-chat-webrtc/src/call.ts

@@ -53,6 +53,7 @@ interface IWCallResponse {
 
 interface WCCapabilities extends IWCallCommand {
   type: "capabilities"
+  media?: CallMediaType
   useWorker?: boolean
 }
 
@@ -289,8 +290,7 @@ const processCommand = (function () {
     const pc = new RTCPeerConnection(config.peerConnectionConfig)
     const remoteStream = new MediaStream()
     const localCamera = VideoCamera.User
-    const constraints = callMediaConstraints(mediaType, localCamera)
-    const localStream = await navigator.mediaDevices.getUserMedia(constraints)
+    const localStream = await getLocalMediaStream(mediaType, localCamera)
     const iceCandidates = getIceCandidates(pc, config)
     const call = {connection: pc, iceCandidates, localMedia: mediaType, localCamera, localStream, remoteStream, aesKey, useWorker}
     await setupMediaStreams(call)
@@ -352,11 +352,15 @@ const processCommand = (function () {
     try {
       switch (command.type) {
         case "capabilities":
+          console.log("starting outgoing call - capabilities")
+          if (activeCall) endCall()
+          // This request for local media stream is made to prompt for camera/mic permissions on call start
+          if (command.media) await getLocalMediaStream(command.media, VideoCamera.User)
           const encryption = supportsInsertableStreams(command.useWorker)
           resp = {type: "capabilities", capabilities: {encryption}}
           break
         case "start": {
-          console.log("starting call")
+          console.log("starting incoming call - create webrtc session")
           if (activeCall) endCall()
           const {media, useWorker, iceServers, relay} = command
           const encryption = supportsInsertableStreams(useWorker)
@@ -582,8 +586,7 @@ const processCommand = (function () {
     const pc = call.connection
     for (const t of call.localStream.getTracks()) t.stop()
     call.localCamera = camera
-    const constraints = callMediaConstraints(call.localMedia, camera)
-    const localStream = await navigator.mediaDevices.getUserMedia(constraints)
+    const localStream = await getLocalMediaStream(call.localMedia, camera)
     replaceTracks(pc, localStream.getVideoTracks())
     replaceTracks(pc, localStream.getAudioTracks())
     call.localStream = localStream
@@ -621,6 +624,11 @@ const processCommand = (function () {
     }
   }
 
+  function getLocalMediaStream(mediaType: CallMediaType, facingMode: VideoCamera): Promise<MediaStream> {
+    const constraints = callMediaConstraints(mediaType, facingMode)
+    return navigator.mediaDevices.getUserMedia(constraints)
+  }
+
   function callMediaConstraints(mediaType: CallMediaType, facingMode: VideoCamera): MediaStreamConstraints {
     switch (mediaType) {
       case CallMediaType.Audio: