diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 8023990937541..1a4d5d888760d 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2975,6 +2975,10 @@
     <!-- Whether to use voip audio mode for ims call -->
     <bool name="config_use_voip_mode_for_ims">false</bool>
 
+    <!-- Boolean indicating USSD over IMS is allowed.
+     If it is not supported due to modem limitations, USSD send over the CS pipe instead.-->
+    <bool name="config_allow_ussd_over_ims">false</bool>
+
     <!-- String array containing numbers that shouldn't be logged. Country-specific. -->
     <string-array name="unloggable_phone_numbers" />
 
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 3ed3a64e2cb49..097b82bc4376d 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -2554,6 +2554,7 @@
   <java-symbol type="bool" name="config_device_wfc_ims_available" />
   <java-symbol type="bool" name="config_carrier_wfc_ims_available" />
   <java-symbol type="bool" name="config_use_voip_mode_for_ims" />
+  <java-symbol type="bool" name="config_allow_ussd_over_ims" />
   <java-symbol type="attr" name="touchscreenBlocksFocus" />
   <java-symbol type="layout" name="resolver_list_with_default" />
   <java-symbol type="string" name="activity_resolver_set_always" />