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.
International wholesale carrier services,(voip)A-Z CLI ,A-Z CC CLI routes
expert in dailer termination traffic (call center routes )
contact on skype :lisa.cognitell2
mail :cogsales9@cognitell.net