I used mobile portability and switched from aircel to airtel. Often am getting a flash message that "Ciphering not provided by operator, insecure operation", when ever am on call(incoming and outcoming). Why am I getting this alert? I contacted customer care, they said there might be some problem with my mobile.But am gettin this alert from the day I switched to airtel. The problem is not in my mobile. Kindly do the needful to solve this issue. read full review »