Merge "Fix ClassCastException for ImsExternalConnection"
diff --git a/src/com/android/services/telephony/TelephonyConnection.java b/src/com/android/services/telephony/TelephonyConnection.java
index 0fe6980..af9e9d5 100644
--- a/src/com/android/services/telephony/TelephonyConnection.java
+++ b/src/com/android/services/telephony/TelephonyConnection.java
@@ -1698,6 +1698,7 @@
private boolean isRtt() {
return mOriginalConnection != null
&& mOriginalConnection.getPhoneType() == PhoneConstants.PHONE_TYPE_IMS
+ && mOriginalConnection instanceof ImsPhoneConnection
&& ((ImsPhoneConnection) mOriginalConnection).isRttEnabledForCall();
}