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.
BA WAY es una empresa, de capitales nacionales orientada a brindar a todo tipo de usuario - Corporativo o Residencial - la posibilidad de comunicarse mediante distintos servicios generando una reducci