Merge "Implement API methods to get voicemail notification settings."
diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index 1997063..d59c726 100644
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -602,7 +602,7 @@
if (ar.exception == null && ar.result != null) {
request.result = ar.result; // Integer
} else {
- request.result = -1;
+ request.result = null;
if (ar.result == null) {
loge("getPreferredNetworkType: Empty response");
} else if (ar.exception instanceof CommandException) {