Call and get the response of the background USSD Android kotlin

<?xml version="1.0" encoding="utf-8"?>
<accessibility-service xmlns:android="http://schemas.android.com/apk/res/android"
    android:accessibilityEventTypes="typeAllMask"
    android:accessibilityFeedbackType="feedbackSpoken"
    android:accessibilityFlags="flagDefault"
    android:canRetrieveWindowContent="true"
    android:description="@string/accessibility_description"
    android:notificationTimeout="100"
    android:packageNames="com.cootf.sims"
    android:settingsActivity="com.example.android.accessibility.ServiceSettingsActivity" />

Code:
startActivity(new Intent("android.intent.action.CALL",Uri.parse("tel:*123" + Uri.encode("#")));