diff --git a/api/current.txt b/api/current.txt
index e8d0ee279ba90..c54447022f397 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -39881,6 +39881,7 @@ package android.telephony {
     field public static final java.lang.String KEY_CI_ACTION_ON_SYS_UPDATE_EXTRA_VAL_STRING = "ci_action_on_sys_update_extra_val_string";
     field public static final java.lang.String KEY_CI_ACTION_ON_SYS_UPDATE_INTENT_STRING = "ci_action_on_sys_update_intent_string";
     field public static final java.lang.String KEY_CONFIG_IMS_PACKAGE_OVERRIDE_STRING = "config_ims_package_override_string";
+    field public static final java.lang.String KEY_CONFIG_TELEPHONY_USE_OWN_NUMBER_FOR_VOICEMAIL_BOOL = "config_telephony_use_own_number_for_voicemail_bool";
     field public static final java.lang.String KEY_CSP_ENABLED_BOOL = "csp_enabled_bool";
     field public static final java.lang.String KEY_DATA_LIMIT_THRESHOLD_BYTES_LONG = "data_limit_threshold_bytes_long";
     field public static final java.lang.String KEY_DATA_WARNING_THRESHOLD_BYTES_LONG = "data_warning_threshold_bytes_long";
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 15fd34d78a01c..960ad1b383490 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -1753,9 +1753,6 @@
     <string-array name="config_twoDigitNumberPattern" translatable="false">
     </string-array>
 
-    <!-- The VoiceMail default value is displayed to my own number if it is true -->
-    <bool name="config_telephony_use_own_number_for_voicemail">false</bool>
-
     <!-- If this value is true, Sms encoded as octet is decoded by utf8 decoder.
          If false, decoded by Latin decoder. -->
     <bool name="config_sms_utf8_support">false</bool>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 1703ef02a8a3a..438ed82353a08 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -272,7 +272,6 @@
   <java-symbol type="bool" name="config_suspendWhenScreenOffDueToProximity" />
   <java-symbol type="bool" name="config_swipeDisambiguation" />
   <java-symbol type="bool" name="config_syncstorageengine_masterSyncAutomatically" />
-  <java-symbol type="bool" name="config_telephony_use_own_number_for_voicemail" />
   <java-symbol type="bool" name="config_ui_enableFadingMarquee" />
   <java-symbol type="bool" name="config_enableHapticTextHandle" />
   <java-symbol type="bool" name="config_use_strict_phone_number_comparation" />
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 514222dcdbaba..0a8d9cb4197ad 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -351,6 +351,17 @@ public class CarrierConfigManager {
      */
     public static final String KEY_DEFAULT_VM_NUMBER_STRING = "default_vm_number_string";
 
+    /**
+     * Flag that specifies to use the user's own phone number as the voicemail number when there is
+     * no pre-loaded voicemail number on the SIM card.
+     * <p>
+     * {@link #KEY_DEFAULT_VM_NUMBER_STRING} takes precedence over this flag.
+     * <p>
+     * If false, the system default (*86) will be used instead.
+     */
+    public static final String KEY_CONFIG_TELEPHONY_USE_OWN_NUMBER_FOR_VOICEMAIL_BOOL =
+            "config_telephony_use_own_number_for_voicemail_bool";
+
     /**
      * When {@code true}, changes to the mobile data enabled switch will not cause the VT
      * registration state to change.  That is, turning on or off mobile data will not cause VT to be
@@ -1737,6 +1748,7 @@ public class CarrierConfigManager {
         sDefaults.putBoolean(KEY_NOTIFY_HANDOVER_VIDEO_FROM_WIFI_TO_LTE_BOOL, false);
         sDefaults.putBoolean(KEY_SUPPORT_DOWNGRADE_VT_TO_AUDIO_BOOL, true);
         sDefaults.putString(KEY_DEFAULT_VM_NUMBER_STRING, "");
+        sDefaults.putBoolean(KEY_CONFIG_TELEPHONY_USE_OWN_NUMBER_FOR_VOICEMAIL_BOOL, false);
         sDefaults.putBoolean(KEY_IGNORE_DATA_ENABLED_CHANGED_FOR_VIDEO_CALLS, true);
         sDefaults.putBoolean(KEY_VILTE_DATA_IS_METERED_BOOL, true);
         sDefaults.putBoolean(KEY_CARRIER_WFC_IMS_AVAILABLE_BOOL, false);