diff --git a/core/java/android/provider/DeviceConfig.java b/core/java/android/provider/DeviceConfig.java
index e58419fb688d8..338ad242874f8 100644
--- a/core/java/android/provider/DeviceConfig.java
+++ b/core/java/android/provider/DeviceConfig.java
@@ -512,6 +512,13 @@ public final class DeviceConfig {
     @SystemApi
     public static final String NAMESPACE_WINDOW_MANAGER_NATIVE_BOOT = "window_manager_native_boot";
 
+    /**
+     * Definitions for voice interaction related functions.
+     *
+     * @hide
+     */
+    public static final String NAMESPACE_VOICE_INTERACTION = "voice_interaction";
+
     /**
      * List of namespaces which can be read without READ_DEVICE_CONFIG permission
      *
diff --git a/services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordDetectionConnection.java b/services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordDetectionConnection.java
index f08f8491264a0..fd3b18a7b6d44 100644
--- a/services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordDetectionConnection.java
+++ b/services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordDetectionConnection.java
@@ -67,6 +67,7 @@ import android.os.Process;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SharedMemory;
+import android.provider.DeviceConfig;
 import android.service.voice.HotwordDetectedResult;
 import android.service.voice.HotwordDetectionService;
 import android.service.voice.HotwordRejectedResult;
@@ -109,6 +110,7 @@ final class HotwordDetectionConnection {
     private static final String TAG = "HotwordDetectionConnection";
     static final boolean DEBUG = false;
 
+    private static final String KEY_RESTART_PERIOD_IN_SECONDS = "restart_period_in_seconds";
     // TODO: These constants need to be refined.
     private static final long VALIDATION_TIMEOUT_MILLIS = 4000;
     private static final long MAX_UPDATE_TIMEOUT_MILLIS = 6000;
@@ -119,7 +121,9 @@ final class HotwordDetectionConnection {
      * Time after which each HotwordDetectionService process is stopped and replaced by a new one.
      * 0 indicates no restarts.
      */
-    private static final int RESTART_PERIOD_SECONDS = 3600; // 60 minutes
+    private static final int RESTART_PERIOD_SECONDS =
+            DeviceConfig.getInt(DeviceConfig.NAMESPACE_VOICE_INTERACTION,
+                    KEY_RESTART_PERIOD_IN_SECONDS, 3600); // 60 minutes by default
     private static final int MAX_ISOLATED_PROCESS_NUMBER = 10;
 
     // Hotword metrics