diff --git a/telephony/java/com/android/ims/internal/IImsCallSessionListener.aidl b/telephony/java/com/android/ims/internal/IImsCallSessionListener.aidl
index ad59c1d84794b..831ab12fc3eaa 100644
--- a/telephony/java/com/android/ims/internal/IImsCallSessionListener.aidl
+++ b/telephony/java/com/android/ims/internal/IImsCallSessionListener.aidl
@@ -106,6 +106,8 @@ interface IImsCallSessionListener {
             in int srcAccessTech, in int targetAccessTech, in ImsReasonInfo reasonInfo);
     void callSessionHandoverFailed(in IImsCallSession session,
             in int srcAccessTech, in int targetAccessTech, in ImsReasonInfo reasonInfo);
+    void callSessionMayHandover(in IImsCallSession session,
+            in int srcAccessTech, in int targetAccessTech);
 
     /**
      * Notifies the TTY mode change by remote party.