Huawei Technology co. Ltd released a software for its own modem or data card named huawei mobile partner.This software has video calling facility and also you can know the balance ,do recharge by using USSD option.You can use this video calling if you have a 3G connection.
This Modem Supports in following devices
E156, E155, E1550, EG162G, E1552, E156G, E160, E160G, E161, E166, E169, E169G, E170, E172, E176, E1762, E180, E182E, E196, E226, E270, E271, E272, E51, E612, E618, E620, E630, E630+, E660, E660A, E800, E870, E880, EG162, E880, EG602, EG602G, K2540, K3515, K3520, K3565, K3520, K3565
Download it from Here. Password : psw456198f