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.
TelOnline
TelOnline es una empresa Americana, con base en Bogotá Colombia. Provee soluciones de telefonía y consultoría especializada que no se limita a las redes de telefonía digital VoIP, PBX y centros de llamadas. TelOnline se especializa en crear, desarroll
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