diff --git a/src/java/com/android/internal/telephony/imsphone/ImsPhoneConnection.java b/src/java/com/android/internal/telephony/imsphone/ImsPhoneConnection.java
index b2fecd4..7462daa 100644
--- a/src/java/com/android/internal/telephony/imsphone/ImsPhoneConnection.java
+++ b/src/java/com/android/internal/telephony/imsphone/ImsPhoneConnection.java
@@ -391,7 +391,9 @@
     @Override
     public boolean onDisconnect(int cause) {
         Rlog.d(LOG_TAG, "onDisconnect: cause=" + cause);
-        if (mCause != DisconnectCause.LOCAL) mCause = cause;
+        if (mCause != DisconnectCause.LOCAL || cause == DisconnectCause.INCOMING_REJECTED) {
+            mCause = cause;
+        }
         return onDisconnect();
     }