diff --git a/core/java/android/provider/Telephony.java b/core/java/android/provider/Telephony.java
index f3a8b5d..9f3a847 100644
--- a/core/java/android/provider/Telephony.java
+++ b/core/java/android/provider/Telephony.java
@@ -5365,5 +5365,14 @@
          */
         public static final String COLUMN_D2D_STATUS_SHARING_SELECTED_CONTACTS =
                 "d2d_sharing_contacts";
+
+        /**
+        * TelephonyProvider column name for NR Advanced calling
+        * Determines if the user has enabled VoNR settings for this subscription.
+        *
+        * @hide
+        */
+        public static final String COLUMN_NR_ADVANCED_CALLING_ENABLED =
+                "nr_advanced_calling_enabled";
     }
 }
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index df1f132..894bb8e 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -5269,6 +5269,16 @@
     public static final String KEY_VONR_SETTING_VISIBILITY_BOOL = "vonr_setting_visibility_bool";
 
     /**
+     * Flag specifying whether VoNR should be enabled for carrier.
+     * If true, VoNr will be enabled. If false, hard disabled.
+     *
+     * Disabled by default.
+     *
+     * @hide
+     */
+    public static final String KEY_VONR_ENABLED_BOOL = "vonr_enabled_bool";
+
+    /**
      * Determine whether unthrottle data retry when tracking area code (TAC/LAC) from cell changes
      *
      * @hide
@@ -5893,6 +5903,7 @@
         sDefaults.putBoolean(KEY_DISPLAY_NO_DATA_NOTIFICATION_ON_PERMANENT_FAILURE_BOOL, false);
         sDefaults.putBoolean(KEY_UNTHROTTLE_DATA_RETRY_WHEN_TAC_CHANGES_BOOL, false);
         sDefaults.putBoolean(KEY_VONR_SETTING_VISIBILITY_BOOL, false);
+        sDefaults.putBoolean(KEY_VONR_ENABLED_BOOL, false);
     }
 
     /**
diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index 3b44a34..d5315ac 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -949,6 +949,15 @@
     public static final String VOIMS_OPT_IN_STATUS = SimInfo.COLUMN_VOIMS_OPT_IN_STATUS;
 
     /**
+     * TelephonyProvider column name for NR Advanced calling
+     * Determines if the user has enabled VoNR settings for this subscription.
+     *
+     * @hide
+     */
+    public static final String NR_ADVANCED_CALLING_ENABLED =
+            SimInfo.COLUMN_NR_ADVANCED_CALLING_ENABLED;
+
+    /**
      * Profile class of the subscription
      * @hide
      */