diff --git a/core/api/current.txt b/core/api/current.txt
index 326bb7353f08d..ec13cd880100b 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -40001,6 +40001,11 @@ package android.telephony {
     field public static final String KEY_WIFI_OFF_DEFERRING_TIME_MILLIS_INT = "ims.wifi_off_deferring_time_millis_int";
   }
 
+  public static final class CarrierConfigManager.ImsServiceEntitlement {
+    field public static final String KEY_AES_URL_STRING = "imsserviceentitlement.aes_url_string";
+    field public static final String KEY_PREFIX = "imsserviceentitlement.";
+  }
+
   public static final class CarrierConfigManager.Iwlan {
     field public static final int AUTHENTICATION_METHOD_CERT = 1; // 0x1
     field public static final int AUTHENTICATION_METHOD_EAP_ONLY = 0; // 0x0
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 56345c0326702..7804464436337 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -3557,6 +3557,28 @@ public class CarrierConfigManager {
      */
     public static final String ENABLE_EAP_METHOD_PREFIX_BOOL = "enable_eap_method_prefix_bool";
 
+
+    /**
+     * Configs used by ImsServiceEntitlement.
+     */
+    public static final class ImsServiceEntitlement {
+        private ImsServiceEntitlement() {}
+
+        /** Prefix of all ImsServiceEntitlement.KEY_* constants. */
+        public static final String KEY_PREFIX = "imsserviceentitlement.";
+
+
+        /** The address of the entitlement configuration server. */
+        public static final String KEY_AES_URL_STRING = KEY_PREFIX + "aes_url_string";
+
+
+        private static PersistableBundle getDefaults() {
+            PersistableBundle defaults = new PersistableBundle();
+            defaults.putString(KEY_AES_URL_STRING, "");
+            return defaults;
+        }
+    }
+
     /**
      * GPS configs. See the GNSS HAL documentation for more details.
      */
@@ -5083,6 +5105,7 @@ public class CarrierConfigManager {
         sDefaults.putLong(KEY_OPPORTUNISTIC_NETWORK_BACKOFF_TIME_LONG, 10000);
         /* Default value is 60 seconds. */
         sDefaults.putLong(KEY_OPPORTUNISTIC_NETWORK_MAX_BACKOFF_TIME_LONG, 60000);
+        sDefaults.putAll(ImsServiceEntitlement.getDefaults());
         sDefaults.putAll(Gps.getDefaults());
         sDefaults.putIntArray(KEY_CDMA_ENHANCED_ROAMING_INDICATOR_FOR_HOME_NETWORK_INT_ARRAY,
                 new int[] {