I had buy a bsnl card 3g . from day I started the som . I had hardly called some people because . In our area bsnl network is 3g but when we try to call some one the call get automatically disconnected its not only my problem but most of person in my own family also in our house there aur 3 bsnl but every has same problem my friends and relative also has same problem . After trying for 6 to 7 time the 8 time call gets connected .