diff --git a/telecomm/java/android/telecom/Call.java b/telecomm/java/android/telecom/Call.java
index d77ab2b..f0d43fa 100755
--- a/telecomm/java/android/telecom/Call.java
+++ b/telecomm/java/android/telecom/Call.java
@@ -2543,6 +2543,7 @@
         } else if (mRttCall != null && parcelableCall.getParcelableRttCall() == null
                 && parcelableCall.getIsRttCallChanged()) {
             isRttChanged = true;
+            mRttCall.close();
             mRttCall = null;
         }