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.
AirTouch WiFiVoIP enable you can enjoy the best of both world, seamlessly. Enjoy the affordable AirTouch WiFiVoIP network when you are within WiFi range and automatic forward calls to your GSM network otherwise. In fact both WiFiVoIP and GSM will work at
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