diff --git a/src/com/android/phone/NotificationMgr.java b/src/com/android/phone/NotificationMgr.java
index bb1e293..475cc1f 100644
--- a/src/com/android/phone/NotificationMgr.java
+++ b/src/com/android/phone/NotificationMgr.java
@@ -379,7 +379,7 @@
             for (int i = 0; i < users.size(); i++) {
                 final UserInfo user = users.get(i);
                 final UserHandle userHandle = user.getUserHandle();
-                if (!mUserManager.hasUserRestriction(
+                if (!hasUserRestriction(
                         UserManager.DISALLOW_OUTGOING_CALLS, userHandle)
                         && !user.isManagedProfile()) {
                     if (!maybeSendVoicemailNotificationUsingDefaultDialer(phone, vmCount, vmNumber,
@@ -397,7 +397,7 @@
             for (int i = 0; i < users.size(); i++) {
                 final UserInfo user = users.get(i);
                 final UserHandle userHandle = user.getUserHandle();
-                if (!mUserManager.hasUserRestriction(
+                if (!hasUserRestriction(
                         UserManager.DISALLOW_OUTGOING_CALLS, userHandle)
                         && !user.isManagedProfile()) {
                     if (!maybeSendVoicemailNotificationUsingDefaultDialer(phone, 0, null, null,
@@ -412,6 +412,12 @@
         }
     }
 
+    private boolean hasUserRestriction(String restrictionKey, UserHandle userHandle) {
+        final List<UserManager.EnforcingUser> sources = mUserManager
+                .getUserRestrictionSources(restrictionKey, userHandle);
+        return (sources != null && !sources.isEmpty());
+    }
+
     /**
      * Sends a broadcast with the voicemail notification information to the default dialer. This
      * method is also used to indicate to the default dialer when to clear the