diff --git a/telephony/java/com/android/internal/telephony/Connection.java b/telephony/java/com/android/internal/telephony/Connection.java
index 3b6de6f..0d983b5 100644
--- a/telephony/java/com/android/internal/telephony/Connection.java
+++ b/telephony/java/com/android/internal/telephony/Connection.java
@@ -42,6 +42,7 @@
         NUMBER_UNREACHABLE,             /* cannot reach the peer */
         INVALID_CREDENTIALS,            /* invalid credentials */
         OUT_OF_NETWORK,                 /* calling from out of network is not allowed */
+        SERVER_ERROR,                   /* server error */
         TIMED_OUT,                      /* client timed out */
         LOST_SIGNAL,
         LIMIT_EXCEEDED,                 /* eg GSM ACM limit exceeded */
diff --git a/telephony/java/com/android/internal/telephony/sip/SipPhone.java b/telephony/java/com/android/internal/telephony/sip/SipPhone.java
index 5e7d9ac..bceceda 100755
--- a/telephony/java/com/android/internal/telephony/sip/SipPhone.java
+++ b/telephony/java/com/android/internal/telephony/sip/SipPhone.java
@@ -883,8 +883,10 @@
                 case SipErrorCode.CROSS_DOMAIN_AUTHENTICATION:
                     onError(Connection.DisconnectCause.OUT_OF_NETWORK);
                     break;
-                case SipErrorCode.SOCKET_ERROR:
                 case SipErrorCode.SERVER_ERROR:
+                    onError(Connection.DisconnectCause.SERVER_ERROR);
+                    break;
+                case SipErrorCode.SOCKET_ERROR:
                 case SipErrorCode.CLIENT_ERROR:
                 default:
                     Log.w(LOG_TAG, "error: " + SipErrorCode.toString(errorCode)
diff --git a/voip/java/com/android/server/sip/SipSessionGroup.java b/voip/java/com/android/server/sip/SipSessionGroup.java
index 91677a2..8f9a26b 100644
--- a/voip/java/com/android/server/sip/SipSessionGroup.java
+++ b/voip/java/com/android/server/sip/SipSessionGroup.java
@@ -82,7 +82,6 @@
     private static final boolean DEBUG = true;
     private static final boolean DEBUG_PING = DEBUG && false;
     private static final String ANONYMOUS = "anonymous";
-    private static final String SERVER_ERROR_PREFIX = "Response: ";
     private static final int EXPIRY_TIME = 3600; // in seconds
     private static final int CANCEL_CALL_TIMER = 3; // in seconds
 
@@ -1099,8 +1098,8 @@
         }
 
         private String createErrorMessage(Response response) {
-            return String.format(SERVER_ERROR_PREFIX + "%s (%d)",
-                    response.getReasonPhrase(), response.getStatusCode());
+            return String.format("%s (%d)", response.getReasonPhrase(),
+                    response.getStatusCode());
         }
 
         private void establishCall() {
@@ -1204,8 +1203,6 @@
                 return SipErrorCode.INVALID_REMOTE_URI;
             } else if (exception instanceof IOException) {
                 return SipErrorCode.SOCKET_ERROR;
-            } else if (message.startsWith(SERVER_ERROR_PREFIX)) {
-                return SipErrorCode.SERVER_ERROR;
             } else {
                 return SipErrorCode.CLIENT_ERROR;
             }