diff --git a/src/com/android/phone/PhoneGlobals.java b/src/com/android/phone/PhoneGlobals.java
index 76cf979..7fba651 100644
--- a/src/com/android/phone/PhoneGlobals.java
+++ b/src/com/android/phone/PhoneGlobals.java
@@ -83,7 +83,6 @@
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.phone.settings.SettingsConstants;
 import com.android.phone.vvm.CarrierVvmPackageInstalledReceiver;
-import com.android.services.telephony.domainselection.TelephonyDomainSelectionService;
 import com.android.services.telephony.rcs.TelephonyRcsService;
 
 import java.io.FileDescriptor;
@@ -166,7 +165,6 @@
     public ImsStateCallbackController mImsStateCallbackController;
     public ImsProvisioningController mImsProvisioningController;
     CarrierConfigLoader configLoader;
-    TelephonyDomainSelectionService mDomainSelectionService;
 
     private Phone phoneInEcm;
 
@@ -496,8 +494,9 @@
             // Create DomainSelectionResolver always, but it MUST be initialized only when
             // the device supports AOSP domain selection architecture and
             // has new IRadio that supports its related HAL APIs.
-            DomainSelectionResolver.make(this,
-                    getResources().getBoolean(R.bool.config_enable_aosp_domain_selection));
+            String dssComponentName = getResources().getString(
+                    R.string.config_domain_selection_service_component_name);
+            DomainSelectionResolver.make(this, dssComponentName);
 
             // Initialize the telephony framework
             mFeatureFlags = new FeatureFlagsImpl();
@@ -506,8 +505,7 @@
             // Initialize the DomainSelectionResolver after creating the Phone instance
             // to check the Radio HAL version.
             if (DomainSelectionResolver.getInstance().isDomainSelectionSupported()) {
-                mDomainSelectionService = new TelephonyDomainSelectionService(this);
-                DomainSelectionResolver.getInstance().initialize(mDomainSelectionService);
+                DomainSelectionResolver.getInstance().initialize();
                 // Initialize EmergencyStateTracker if domain selection is supported
                 boolean isSuplDdsSwitchRequiredForEmergencyCall = getResources()
                         .getBoolean(R.bool.config_gnss_supl_requires_default_data_for_emergency);
@@ -1390,9 +1388,6 @@
             e.printStackTrace();
         }
         pw.decreaseIndent();
-        if (mDomainSelectionService != null) {
-            mDomainSelectionService.dump(fd, pw, args);
-        }
         pw.decreaseIndent();
         if (mFeatureFlags.reorganizeRoamingNotification()) {
             pw.println("mShownNotificationReasons=" + mShownNotificationReasons);
diff --git a/src/com/android/services/telephony/domainselection/TelephonyDomainSelectionService.java b/src/com/android/services/telephony/domainselection/TelephonyDomainSelectionService.java
index 66894f7..a215c4f 100644
--- a/src/com/android/services/telephony/domainselection/TelephonyDomainSelectionService.java
+++ b/src/com/android/services/telephony/domainselection/TelephonyDomainSelectionService.java
@@ -192,7 +192,7 @@
 
     // Persistent Logging
     private static final LocalLog sEventLog = new LocalLog(20);
-    private final Context mContext;
+    private Context mContext;
     // Map of slotId -> ImsStateTracker
     private final SparseArray<ImsStateTracker> mImsStateTrackers = new SparseArray<>(2);
     private final List<DomainSelectorContainer> mDomainSelectorContainers = new ArrayList<>();
@@ -202,18 +202,25 @@
     private CrossSimRedialingController mCrossSimRedialingController;
     private CarrierConfigHelper mCarrierConfigHelper;
 
-    public TelephonyDomainSelectionService(Context context) {
-        this(context, ImsStateTracker::new, new DefaultDomainSelectorFactory(), null);
+    /** Default constructor. */
+    public TelephonyDomainSelectionService() {
+        this(ImsStateTracker::new, new DefaultDomainSelectorFactory(), null);
     }
 
     @VisibleForTesting
-    public TelephonyDomainSelectionService(Context context,
+    protected TelephonyDomainSelectionService(
             @NonNull ImsStateTrackerFactory imsStateTrackerFactory,
             @NonNull DomainSelectorFactory domainSelectorFactory,
             @Nullable CarrierConfigHelper carrierConfigHelper) {
-        mContext = context;
         mImsStateTrackerFactory = imsStateTrackerFactory;
         mDomainSelectorFactory = domainSelectorFactory;
+        mCarrierConfigHelper = carrierConfigHelper;
+    }
+
+    @Override
+    public void onCreate() {
+        logd("onCreate");
+        mContext = getApplicationContext();
 
         // Create a worker thread for this domain selection service.
         getExecutor();
@@ -231,9 +238,10 @@
             loge("Adding OnSubscriptionChangedListener failed");
         }
 
-        mCrossSimRedialingController = new CrossSimRedialingController(context, getLooper());
-        mCarrierConfigHelper = (carrierConfigHelper != null)
-                ? carrierConfigHelper : new CarrierConfigHelper(context, getLooper());
+        mCrossSimRedialingController = new CrossSimRedialingController(mContext, getLooper());
+        if (mCarrierConfigHelper == null) {
+            mCarrierConfigHelper = new CarrierConfigHelper(mContext, getLooper());
+        }
 
         logi("TelephonyDomainSelectionService created");
     }
@@ -313,15 +321,21 @@
             addDomainSelector(slotId, selectorType, isEmergency, selector);
         } else {
             loge("No proper domain selector: " + selectorTypeToString(selectorType));
-            callback.onSelectionTerminated(DisconnectCause.ERROR_UNSPECIFIED);
+            // Executed through the service handler to ensure that the callbacks are not called
+            // directly in this execution flow.
+            mServiceHandler.post(() ->
+                    callback.onSelectionTerminated(DisconnectCause.ERROR_UNSPECIFIED));
             return;
         }
 
-        // Notify the caller that the domain selector is created.
-        callback.onCreated(selector);
-
-        // Performs the domain selection.
-        selector.selectDomain(attr, callback);
+        // Executed through the service handler to ensure that the callbacks are not called
+        // directly in this execution flow.
+        mServiceHandler.post(() ->  {
+            // Notify the caller that the domain selector is created.
+            callback.onCreated(selector);
+            // Performs the domain selection.
+            selector.selectDomain(attr, callback);
+        });
     }
 
     /**