diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 8edea0d3deb36..590baf1f4d0c4 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -497,6 +497,9 @@
     <!-- Enables SIP on WIFI only -->
     <bool name="config_sip_wifi_only">true</bool>
 
+    <!-- Enables built-in SIP phone capability -->
+    <bool name="config_built_in_sip_phone">false</bool>
+
     <!-- Boolean indicating if restoring network selection should be skipped -->
     <!-- The restoring is handled by modem if it is true-->
     <bool translatable="false" name="skip_restoring_network_selection">false</bool>