diff --git a/src/com/android/telecomm/TelephonyUtil.java b/src/com/android/telecomm/TelephonyUtil.java
index bffe7eb..4ea46d9 100644
--- a/src/com/android/telecomm/TelephonyUtil.java
+++ b/src/com/android/telecomm/TelephonyUtil.java
@@ -32,10 +32,10 @@
             "com.android.phone";
 
     private static final String GSM_CALL_SERVICE_CLASS_NAME =
-            "com.android.services.telephony.GsmCallService";
+            "com.android.services.telephony.GsmConnectionService";
 
     private static final String CDMA_CALL_SERVICE_CLASS_NAME =
-            "com.android.services.telephony.CdmaCallService";
+            "com.android.services.telephony.CdmaConnectionService";
 
     private TelephonyUtil() {}