Intent.ACTION_CALL how to add `,` sign comma

How to add a , comma sign into the phone call intent? 004216378497,,,,,,,,,2

my code is now like :

        Intent intent = new Intent(Intent.ACTION_CALL);
        intent.setData(Uri.parse("tel:" + phoneNumber));
        context.startActivity(intent);

from Intent.ACTION_CALL how to add `,` sign comma