Approximate price is 4000 $. More information by mail email@example.com
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.
Trisun Communications is a leading international carrier and provider of wholesale services to carriers and resellers throughout the world. Our network bridges the horizons between traditional circuit based communications to the next generation `Voice oveRead more