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.
Fizan Telecom is a leading Voice Over IP Provider and System Integrator dedicated to delivering Customer Management for carriers ,VoIP Calling Card Operators ,Hosted callshops , GK Register Clients and Sip Proxy Clients.
Fizan Telecom has enabled