diff --git a/src/main/java/eu/siacs/conversations/services/CallIntegration.java b/src/main/java/eu/siacs/conversations/services/CallIntegration.java
index 15bc3a9b28da00da58a03eebb4678530727db02c..adf03d0b7279d097ac76a54a9fb8dbecfa98b652 100644
--- a/src/main/java/eu/siacs/conversations/services/CallIntegration.java
+++ b/src/main/java/eu/siacs/conversations/services/CallIntegration.java
@@ -392,9 +392,7 @@ public class CallIntegration extends Connection {
 
     public void success() {
         Log.d(Config.LOGTAG, "CallIntegration.success()");
-        final var toneGenerator =
-                new ToneGenerator(AudioManager.STREAM_VOICE_CALL, DEFAULT_TONE_VOLUME);
-        toneGenerator.startTone(ToneGenerator.TONE_CDMA_CALLDROP_LITE, 375);
+        startTone(DEFAULT_TONE_VOLUME, ToneGenerator.TONE_CDMA_CALLDROP_LITE, 375);
         this.destroyWithDelay(new DisconnectCause(DisconnectCause.LOCAL, null), 375);
     }
 
@@ -409,9 +407,7 @@ public class CallIntegration extends Connection {
 
     public void error() {
         Log.d(Config.LOGTAG, "CallIntegration.error()");
-        final var toneGenerator =
-                new ToneGenerator(AudioManager.STREAM_VOICE_CALL, DEFAULT_TONE_VOLUME);
-        toneGenerator.startTone(ToneGenerator.TONE_CDMA_CALLDROP_LITE, 375);
+        startTone(DEFAULT_TONE_VOLUME, ToneGenerator.TONE_CDMA_CALLDROP_LITE, 375);
         this.destroyWithDelay(new DisconnectCause(DisconnectCause.ERROR, null), 375);
     }
 
@@ -428,8 +424,7 @@ public class CallIntegration extends Connection {
 
     public void busy() {
         Log.d(Config.LOGTAG, "CallIntegration.busy()");
-        final var toneGenerator = new ToneGenerator(AudioManager.STREAM_VOICE_CALL, 80);
-        toneGenerator.startTone(ToneGenerator.TONE_CDMA_NETWORK_BUSY, 2500);
+        startTone(80, ToneGenerator.TONE_CDMA_NETWORK_BUSY, 2500);
         this.destroyWithDelay(new DisconnectCause(DisconnectCause.BUSY, null), 2500);
     }
 
@@ -457,6 +452,17 @@ public class CallIntegration extends Connection {
         Log.d(Config.LOGTAG, "destroyed!");
     }
 
+    private void startTone(final int volume, final int toneType, final int durationMs) {
+        final ToneGenerator toneGenerator;
+        try {
+            toneGenerator = new ToneGenerator(AudioManager.STREAM_VOICE_CALL, volume);
+        } catch (final RuntimeException e) {
+            Log.e(Config.LOGTAG, "could not initialize tone generator", e);
+            return;
+        }
+        toneGenerator.startTone(toneType, durationMs);
+    }
+
     public static Uri address(final Jid contact) {
         return Uri.parse(String.format("xmpp:%s", contact.toEscapedString()));
     }