Configurations of GSM/VoIP networks allow the service providers to avoid the local Wired Public Switched Network (PSTN) in communication with a GMS mobile handset. As a result, the high rates charged by telephone companies are avoided.
Tri Net Communications is a company establish in 1998. In just four years of operation, Tri Net Inc. has become an important US based company dedicated wholesale carrier of international phone calls. Affiliate suppliers operate IP telephone gateways for t
Read more