diff --git a/api/current.txt b/api/current.txt
index ffb613080b253..6704991c310e7 100755
--- a/api/current.txt
+++ b/api/current.txt
@@ -41885,6 +41885,7 @@ package android.telephony {
     field public static final java.lang.String KEY_CALL_BARRING_VISIBILITY_BOOL = "call_barring_visibility_bool";
     field public static final java.lang.String KEY_CALL_FORWARDING_BLOCKS_WHILE_ROAMING_STRING_ARRAY = "call_forwarding_blocks_while_roaming_string_array";
     field public static final java.lang.String KEY_CARRIER_ALLOW_TURNOFF_IMS_BOOL = "carrier_allow_turnoff_ims_bool";
+    field public static final java.lang.String KEY_CARRIER_CALL_SCREENING_APP_STRING = "call_screening_app";
     field public static final java.lang.String KEY_CARRIER_DATA_CALL_PERMANENT_FAILURE_STRINGS = "carrier_data_call_permanent_failure_strings";
     field public static final java.lang.String KEY_CARRIER_DEFAULT_WFC_IMS_MODE_INT = "carrier_default_wfc_ims_mode_int";
     field public static final java.lang.String KEY_CARRIER_DEFAULT_WFC_IMS_ROAMING_MODE_INT = "carrier_default_wfc_ims_roaming_mode_int";
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 8fb15744c862b..eac8ba90b9eeb 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -1133,6 +1133,13 @@ public class CarrierConfigManager {
      */
     public static final String KEY_CARRIER_NAME_STRING = "carrier_name_string";
 
+    /**
+     * The Component Name of a carrier-provided CallScreeningService implementation. Telecom will
+     * bind to this CallScreeningService for ALL incoming calls and provide the carrier
+     * CallScreeningService with the opportunity to allow or block calls.
+     */
+    public static final String KEY_CARRIER_CALL_SCREENING_APP_STRING = "call_screening_app";
+
     /**
      * Override the registered PLMN name using #KEY_CDMA_HOME_REGISTERED_PLMN_NAME_STRING.
      *
@@ -2416,6 +2423,7 @@ public class CarrierConfigManager {
         sDefaults.putBoolean(KEY_CONFIG_WIFI_DISABLE_IN_ECBM, false);
         sDefaults.putBoolean(KEY_CARRIER_NAME_OVERRIDE_BOOL, false);
         sDefaults.putString(KEY_CARRIER_NAME_STRING, "");
+        sDefaults.putString(KEY_CARRIER_CALL_SCREENING_APP_STRING, "");
         sDefaults.putBoolean(KEY_CDMA_HOME_REGISTERED_PLMN_NAME_OVERRIDE_BOOL, false);
         sDefaults.putString(KEY_CDMA_HOME_REGISTERED_PLMN_NAME_STRING, "");
         sDefaults.putBoolean(KEY_SUPPORT_DIRECT_FDN_DIALING_BOOL, false);