import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;


public class phonecalls extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        try {
			call();
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
    }

private void call() throws InterruptedException {
    try {
        Intent callIntent = new Intent(Intent.ACTION_CALL);
        callIntent.setData(Uri.parse("tel:575757570089"));
        startActivity(callIntent);
        //Thread.sleep(5000);
        orij();
        
    } catch (ActivityNotFoundException activityException) {
        Log.e("dialing-example", "Call failed", activityException);
    }
}

private void orij() {
	// TODO Auto-generated method stub
	 Intent intent = new Intent(this, OutgoingCallReceiver.class);////For calling reciever class
	 startActivity(intent);
}

}



RECIEVER CLASS:
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.widget.Toast;

public class OutgoingCallReceiver extends BroadcastReceiver {

	@Override
	public void onReceive(Context context, Intent intent) {
		// TODO Auto-generated method stub
		if(intent.getAction().equals(Intent.ACTION_NEW_OUTGOING_CALL))
	     {
	       abortBroadcast ();
	       }	
	}
	
}