diff --git a/res/values/config.xml b/res/values/config.xml
index 35cc4205b18..a4d0e475a75 100755
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -428,4 +428,7 @@
 
     <!-- Uri to query non-public Slice Uris. -->
     <string name="config_non_public_slice_query_uri" translatable="false"></string>
+
+    <!-- RTT setting intent action -->
+    <string name="config_rtt_setting_intent_action" translatable="false"></string>
 </resources>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 86708a498aa..e7b013ad0ba 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -11436,4 +11436,13 @@
     <!-- Developer settings: text for the bug report handler selection toast shown if an invalid bug report handler was chosen. [CHAR LIMIT=NONE] -->
     <string name="select_invalid_bug_report_handler_toast_text">This choice is no longer valid. Try again.</string>
 
+    <!-- Title for RTT setting. [CHAR LIMIT=NONE] -->
+    <string name="rtt_settings_title"></string>
+    <!-- Subtext for showing the option of RTT setting. [CHAR LIMIT=NONE] -->
+    <string name="rtt_settings_no_visible"></string>
+    <!-- Subtext for showing the option of RTT setting. [CHAR LIMIT=NONE] -->
+    <string name="rtt_settings_visible_during_call"></string>
+    <!-- Subtext for showing the option of RTT setting. [CHAR LIMIT=NONE] -->
+    <string name="rtt_settings_always_visible"></string>
+
 </resources>