diff --git a/api/current.txt b/api/current.txt
index e0b92f4039b5f..e2819696e83f0 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -35791,6 +35791,7 @@ package android.telephony {
     field public static final java.lang.String KEY_VVM_CELLULAR_DATA_REQUIRED_BOOLEAN = "vvm_cellular_data_required";
     field public static final java.lang.String KEY_VVM_DESTINATION_NUMBER_STRING = "vvm_destination_number_string";
     field public static final java.lang.String KEY_VVM_PORT_NUMBER_INT = "vvm_port_number_int";
+    field public static final java.lang.String KEY_VVM_PREFETCH_BOOLEAN = "vvm_prefetch";
     field public static final java.lang.String KEY_VVM_TYPE_STRING = "vvm_type_string";
     field public static final java.lang.String KEY_WORLD_PHONE_BOOL = "world_phone_bool";
   }
diff --git a/api/system-current.txt b/api/system-current.txt
index a21dc272388e5..7118abc28e67d 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -38154,6 +38154,7 @@ package android.telephony {
     field public static final java.lang.String KEY_VVM_CELLULAR_DATA_REQUIRED_BOOLEAN = "vvm_cellular_data_required";
     field public static final java.lang.String KEY_VVM_DESTINATION_NUMBER_STRING = "vvm_destination_number_string";
     field public static final java.lang.String KEY_VVM_PORT_NUMBER_INT = "vvm_port_number_int";
+    field public static final java.lang.String KEY_VVM_PREFETCH_BOOLEAN = "vvm_prefetch";
     field public static final java.lang.String KEY_VVM_TYPE_STRING = "vvm_type_string";
     field public static final java.lang.String KEY_WORLD_PHONE_BOOL = "world_phone_bool";
   }
diff --git a/api/test-current.txt b/api/test-current.txt
index f0038758ae708..d05c1e41f167c 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -35805,6 +35805,7 @@ package android.telephony {
     field public static final java.lang.String KEY_VVM_CELLULAR_DATA_REQUIRED_BOOLEAN = "vvm_cellular_data_required";
     field public static final java.lang.String KEY_VVM_DESTINATION_NUMBER_STRING = "vvm_destination_number_string";
     field public static final java.lang.String KEY_VVM_PORT_NUMBER_INT = "vvm_port_number_int";
+    field public static final java.lang.String KEY_VVM_PREFETCH_BOOLEAN = "vvm_prefetch";
     field public static final java.lang.String KEY_VVM_TYPE_STRING = "vvm_type_string";
     field public static final java.lang.String KEY_WORLD_PHONE_BOOL = "world_phone_bool";
   }
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 320d27457f201..56e081c0146ce 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -408,6 +408,11 @@ public class CarrierConfigManager {
      */
     public static final String KEY_VVM_CELLULAR_DATA_REQUIRED_BOOLEAN = "vvm_cellular_data_required";
 
+    /**
+     * Whether to prefetch audio data on new voicemail arrival, defaulted to true.
+     */
+    public static final String KEY_VVM_PREFETCH_BOOLEAN = "vvm_prefetch";
+
     /**
      * The package name of the carrier's visual voicemail app to ensure that dialer visual voicemail
      * and carrier visual voicemail are not active at the same time.
@@ -638,6 +643,7 @@ public class CarrierConfigManager {
         sDefaults.putInt(KEY_VVM_PORT_NUMBER_INT, 0);
         sDefaults.putString(KEY_VVM_TYPE_STRING, "");
         sDefaults.putBoolean(KEY_VVM_CELLULAR_DATA_REQUIRED_BOOLEAN,false);
+        sDefaults.putBoolean(KEY_VVM_PREFETCH_BOOLEAN,true);
         sDefaults.putString(KEY_CARRIER_VVM_PACKAGE_NAME_STRING, "");
         sDefaults.putBoolean(KEY_CI_ACTION_ON_SYS_UPDATE_BOOL, false);
         sDefaults.putString(KEY_CI_ACTION_ON_SYS_UPDATE_INTENT_STRING, "");