New script for comgt. Should help to fetch balance or any additional information with USSD.
This script uses the standard AT command which should be supported by all modems.
Run-tested on: Mikrotik wAP LTE KIT
Signed-off-by: Kirill Lukonin <klukonin@gmail.com>
[fixed from/sob]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
