It is a device capturing and controling all the signals, which are being created by the whole system, especially the made and received phone call signals. The device is mostly used for connecting regular phone system with the Internet and backwards.
Offering India ,BD, Pak for aggressive rates
Great rates for INDIA,PAK,BD, INDIA CC
CastlingVOIP is a brand of Castling IT Solutions Private Limited based in UK. Castling IT has been providing services to customers around the world since 2006 with