diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl
index f03b29e..b1e0576 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl
@@ -41,6 +41,6 @@
   oneway void notifyPacketLoss(int packetLossPercentage);
   oneway void notifyJitter(int jitter);
   oneway void triggerAnbrQuery(in android.hardware.radio.ims.media.RtpConfig config);
-  oneway void onDtmfReceived(char dtmfDigit);
+  oneway void onDtmfReceived(char dtmfDigit, int durationMs);
   oneway void onCallQualityChanged(in android.hardware.radio.ims.media.CallQuality callQuality);
 }
diff --git a/radio/aidl/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl b/radio/aidl/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl
index d40da64..d1501fe 100644
--- a/radio/aidl/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl
+++ b/radio/aidl/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl
@@ -95,8 +95,9 @@
      * Notifies the received DTMF digit from the other party
      *
      * @param dtmfDigit single char having one of 12 values: 0-9, *, #
+     * @param durationMs The duration to play the tone in milliseconds unit
      */
-    void onDtmfReceived(char dtmfDigit);
+    void onDtmfReceived(char dtmfDigit, int durationMs);
 
     /**
      * Notifies when a change to call quality has occurred