diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index 2d72056..130e9a8 100644
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -2168,6 +2168,16 @@
     }
 
     /**
+      * returns true, if the device is in a state where both voice and data
+      * are supported simultaneously. This can change based on location or network condition.
+     */
+    @Override
+    public boolean isConcurrentVoiceAndDataAllowed(int subId) {
+        final Phone phone = getPhone(subId);
+        return (phone == null ? false : phone.isConcurrentVoiceAndDataAllowed());
+    }
+
+    /**
      * Returns the data network type.
      * Legacy call, permission-free.
      *