diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaListener.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaListener.aidl
index efd59c3..40f7107 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaListener.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaListener.aidl
@@ -36,4 +36,5 @@
 interface IImsMediaListener {
   oneway void onOpenSessionSuccess(int sessionId, android.hardware.radio.ims.media.IImsMediaSession session);
   oneway void onOpenSessionFailure(int sessionId, android.hardware.radio.ims.media.RtpError error);
+  oneway void onSessionClosed(int sessionId);
 }
diff --git a/radio/aidl/android/hardware/radio/ims/media/IImsMediaListener.aidl b/radio/aidl/android/hardware/radio/ims/media/IImsMediaListener.aidl
index 4078ea2..228acb7 100644
--- a/radio/aidl/android/hardware/radio/ims/media/IImsMediaListener.aidl
+++ b/radio/aidl/android/hardware/radio/ims/media/IImsMediaListener.aidl
@@ -24,7 +24,6 @@
  */
 @VintfStability
 oneway interface IImsMediaListener {
-
     /**
      * Fired when a IImsMedia#openSession() API is successful.
      *
@@ -45,5 +44,12 @@
      *   RtpError :NO_RESOURCES
      *   RtpError :PORT_UNAVAILABLE
      */
-     void onOpenSessionFailure(int sessionId, RtpError error);
+    void onOpenSessionFailure(int sessionId, RtpError error);
+
+    /**
+     * Fired when IImsMedia#closeSession() API handled.
+     *
+     * @param sessionId identifier of the session
+     */
+    void onSessionClosed(int sessionId);
 }