diff --git a/api/current.txt b/api/current.txt
index 3e015ab..3328df1 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -36931,6 +36931,7 @@
     field public static final java.lang.String KEY_MMS_USER_AGENT_STRING = "userAgent";
     field public static final java.lang.String KEY_OPERATOR_SELECTION_EXPAND_BOOL = "operator_selection_expand_bool";
     field public static final java.lang.String KEY_PREFER_2G_BOOL = "prefer_2g_bool";
+    field public static final java.lang.String KEY_RCS_CONFIG_SERVER_URL_STRING = "rcs_config_server_url_string";
     field public static final java.lang.String KEY_REQUIRE_ENTITLEMENT_CHECKS_BOOL = "require_entitlement_checks_bool";
     field public static final java.lang.String KEY_SHOW_APN_SETTING_CDMA_BOOL = "show_apn_setting_cdma_bool";
     field public static final java.lang.String KEY_SHOW_CDMA_CHOICES_BOOL = "show_cdma_choices_bool";
diff --git a/api/system-current.txt b/api/system-current.txt
index 3e47ac7..2d941ca 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -40012,6 +40012,7 @@
     field public static final java.lang.String KEY_MMS_USER_AGENT_STRING = "userAgent";
     field public static final java.lang.String KEY_OPERATOR_SELECTION_EXPAND_BOOL = "operator_selection_expand_bool";
     field public static final java.lang.String KEY_PREFER_2G_BOOL = "prefer_2g_bool";
+    field public static final java.lang.String KEY_RCS_CONFIG_SERVER_URL_STRING = "rcs_config_server_url_string";
     field public static final java.lang.String KEY_REQUIRE_ENTITLEMENT_CHECKS_BOOL = "require_entitlement_checks_bool";
     field public static final java.lang.String KEY_SHOW_APN_SETTING_CDMA_BOOL = "show_apn_setting_cdma_bool";
     field public static final java.lang.String KEY_SHOW_CDMA_CHOICES_BOOL = "show_cdma_choices_bool";
diff --git a/api/test-current.txt b/api/test-current.txt
index eca6fb9..fb51832 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -37009,6 +37009,7 @@
     field public static final java.lang.String KEY_MMS_USER_AGENT_STRING = "userAgent";
     field public static final java.lang.String KEY_OPERATOR_SELECTION_EXPAND_BOOL = "operator_selection_expand_bool";
     field public static final java.lang.String KEY_PREFER_2G_BOOL = "prefer_2g_bool";
+    field public static final java.lang.String KEY_RCS_CONFIG_SERVER_URL_STRING = "rcs_config_server_url_string";
     field public static final java.lang.String KEY_REQUIRE_ENTITLEMENT_CHECKS_BOOL = "require_entitlement_checks_bool";
     field public static final java.lang.String KEY_SHOW_APN_SETTING_CDMA_BOOL = "show_apn_setting_cdma_bool";
     field public static final java.lang.String KEY_SHOW_CDMA_CHOICES_BOOL = "show_cdma_choices_bool";
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index fe9a93c..88fc78b 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -951,6 +951,11 @@
      */
     public static final String FILTERED_CNAP_NAMES_STRING_ARRAY = "filtered_cnap_names_string_array";
 
+    /**
+     * The RCS configuration server URL. This URL is used to initiate RCS provisioning.
+     */
+    public static final String KEY_RCS_CONFIG_SERVER_URL_STRING = "rcs_config_server_url_string";
+
     /** The default value for every variable. */
     private final static PersistableBundle sDefaults;
 
@@ -1097,6 +1102,7 @@
         sDefaults.putBoolean(KEY_USE_RCS_PRESENCE_BOOL, false);
         sDefaults.putBoolean(KEY_FORCE_IMEI_BOOL, false);
         sDefaults.putInt(KEY_CDMA_ROAMING_MODE_INT, CDMA_ROAMING_MODE_RADIO_DEFAULT);
+        sDefaults.putString(KEY_RCS_CONFIG_SERVER_URL_STRING, "");
 
         // Carrier Signalling Receivers
         sDefaults.putStringArray(KEY_SIGNAL_REDIRECTION_RECEIVER_STRING_ARRAY, null);