diff --git a/src/main/java/eu/siacs/conversations/services/CallIntegration.java b/src/main/java/eu/siacs/conversations/services/CallIntegration.java
index 5700a7bffe095d0646233438526a286b47080ed1..8e09a8081935e2bbc37dbe7603cacf3b9c537eba 100644
--- a/src/main/java/eu/siacs/conversations/services/CallIntegration.java
+++ b/src/main/java/eu/siacs/conversations/services/CallIntegration.java
@@ -115,6 +115,11 @@ public class CallIntegration extends Connection {
         this.callback.onCallIntegrationReject();
     }
 
+    @Override
+    public void onPlayDtmfTone(char c) {
+        this.callback.applyDtmfTone("" + c);
+    }
+
     @RequiresApi(api = Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
     @Override
     public void onAvailableCallEndpointsChanged(@NonNull List<CallEndpoint> availableEndpoints) {
@@ -573,5 +578,7 @@ public class CallIntegration extends Connection {
         void onCallIntegrationAnswer();
 
         void onCallIntegrationSilence();
+
+        boolean applyDtmfTone(final String dtmf);
     }
 }
diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java
index ec92fbcba94a721d0d0aecf7ae8f1cc28dc40ca2..601447b422010d01fde97b25547d214befc7df64 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java
@@ -1224,5 +1224,10 @@ public class JingleConnectionManager extends AbstractConnectionManager {
 
         @Override
         public void onCallIntegrationSilence() {}
+
+        @Override
+        public boolean applyDtmfTone(final String dtmf) {
+            return false;
+        }
     }
 }
diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
index 4fc6926ca436b41bb18ff2d2837fb07251793246..c8a9998790c9e754e9e58cac5f5d5839442c1123 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
@@ -184,7 +184,7 @@ public class JingleRtpConnection extends AbstractJingleConnection
         }
     }
 
-    public boolean applyDtmfTone(String tone) {
+    public boolean applyDtmfTone(final String tone) {
         return webRTCWrapper.applyDtmfTone(tone);
     }