diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/WebRTCWrapper.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/WebRTCWrapper.java
index 9dd92f7d7683be9a83c648b1145c1297166bfab5..ea7d89d8069ad996a9739fb281da9bebb9a4d77c 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jingle/WebRTCWrapper.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/WebRTCWrapper.java
@@ -87,7 +87,7 @@ public class WebRTCWrapper {
             .add("GT-I9505") // Samsung Galaxy S4 (jfltexx)
             .build();
 
-    private static final int TONE_DURATION = 200;
+    private static final int TONE_DURATION = 500;
     private static final Map<String,Integer> TONE_CODES;
     static {
         ImmutableMap.Builder<String,Integer> builder = new ImmutableMap.Builder<>();