diff --git a/build.gradle b/build.gradle
index 428737f27..147ab4f39 100644
--- a/build.gradle
+++ b/build.gradle
@@ -80,7 +80,8 @@ dependencies {
     implementation 'com.squareup.okhttp3:okhttp:3.12.10'
     implementation 'com.google.guava:guava:27.1-android'
     quicksyImplementation 'io.michaelrocks:libphonenumber-android:8.11.1'
-    implementation fileTree(include: ['libwebrtc-m81.aar'], dir: 'libs')
+    implementation 'org.webrtc:google-webrtc:1.0.30039'
+    //implementation fileTree(include: ['libwebrtc-m81.aar'], dir: 'libs')
 }
 
 ext {
diff --git a/src/main/res/layout/activity_rtp_session.xml b/src/main/res/layout/activity_rtp_session.xml
index 47bfa95ca..2321c6f1b 100644
--- a/src/main/res/layout/activity_rtp_session.xml
+++ b/src/main/res/layout/activity_rtp_session.xml
@@ -191,7 +191,7 @@
                 android:layout_margin="16dp"
                 android:src="@drawable/ic_call_white_48dp"
                 android:visibility="gone"
-                app:backgroundTint="@color/green700"
+                app:backgroundTint="@color/green500"
                 app:elevation="4dp"
                 app:fabCustomSize="72dp"
                 app:maxImageSize="36dp"