Add SIP related settings in the Settings.System.

Change-Id: I00b6daee42fa59b662a380f832f76e67ca9402bc

core/java/android/provider/Settings.java

@@ -1693,6 +1693,41 @@ public final class Settings {
          */
         public static final String UNLOCK_SOUND = "unlock_sound";
 
+        /**
+         * Receive incoming SIP calls?
+         * 0 = no
+         * 1 = yes
+         * @hide
+         */
+        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
+
+        /**
+         * Call Preference String.
+         * "SIP_ALWAYS" : Always use SIP with network access
+         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
+         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
+         * @hide
+         */
+        public static final String SIP_CALL_OPTIONS = "sip_call_options";
+
+        /**
+         * One of the sip call options: Always use SIP with network access.
+         * @hide
+         */
+        public static final String SIP_ALWAYS = "SIP_ALWAYS";
+
+        /**
+         * One of the sip call options: Only if destination is a SIP address.
+         * @hide
+         */
+        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
+
+        /**
+         * One of the sip call options: Always ask me each time.
+         * @hide
+         */
+        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
+
         /**
          * Settings to backup. This is here so that it's in the same place as the settings
          * keys and easy to update.
@@ -1753,7 +1788,9 @@ public final class Settings {
             DOCK_SOUNDS_ENABLED,
             LOCKSCREEN_SOUNDS_ENABLED,
             SHOW_WEB_SUGGESTIONS,
-            NOTIFICATION_LIGHT_PULSE
+            NOTIFICATION_LIGHT_PULSE,
+            SIP_CALL_OPTIONS,
+            SIP_RECEIVE_CALLS
         };
 
         // Settings moved to Settings.Secure