diff --git a/app/build.gradle b/app/build.gradle
index a70a81e479..c58f123459 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -55,7 +55,7 @@ dependencies {
     implementation 'com.google.android.exoplayer:exoplayer-ui:2.9.1'
     implementation 'org.conscrypt:conscrypt-android:2.0.0'
     implementation 'org.signal:aesgcmprovider:0.0.3'
-    implementation 'org.whispersystems:webrtc-android:M74'
+    implementation 'org.whispersystems:webrtc-android:M77'
     implementation "me.leolin:ShortcutBadger:1.1.16"
     implementation 'se.emilsjolander:stickylistheaders:2.7.0'
     implementation 'com.jpardogo.materialtabstrip:library:1.0.9'
diff --git a/app/src/main/java/org/thoughtcrime/securesms/calls/WebRtcTestsActivity.kt b/app/src/main/java/org/thoughtcrime/securesms/calls/WebRtcTestsActivity.kt
index 59520da91d..665768e196 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/calls/WebRtcTestsActivity.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/calls/WebRtcTestsActivity.kt
@@ -96,13 +96,15 @@ class WebRtcTestsActivity: PassphraseRequiredActionBarActivity(), PeerConnection
 
     private val peerConnection by lazy {
         // TODO: in a lokinet world, ice servers shouldn't be needed as .loki addresses should suffice to p2p
-        val turn = PeerConnection.IceServer.builder("turn:freyr.getsession.org").setUsername("user").setPassword("password").createIceServer()
-        val stun = PeerConnection.IceServer.builder("stun:freyr.getsession.org").createIceServer()
-        val iceServers = mutableListOf(turn,stun)
+        val turn = PeerConnection.IceServer.builder("turn:freyr.getsession.org:5349").setUsername("webrtc").setPassword("webrtc").createIceServer()
+//        val stun = PeerConnection.IceServer.builder("stun:freyr.getsession.org").createIceServer()
+        val iceServers = mutableListOf(turn)
         if (relayUsed) {
             // add relay server
         }
         val rtcConfig = PeerConnection.RTCConfiguration(iceServers).apply {
+            this.tcpCandidatePolicy = PeerConnection.TcpCandidatePolicy.ENABLED
+            this.candidateNetworkPolicy = PeerConnection.CandidateNetworkPolicy.ALL
             this.iceTransportsType = PeerConnection.IceTransportsType.RELAY
         }
         rtcConfig.keyType = PeerConnection.KeyType.ECDSA