GSM VoIP Solutions
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.
Conferencing is related to the service, which allows creating the
conference when all participants are in different places. It gives a chance to
communicate, exchange data and correspond in real time and also allows using
the video signal that gives a chance to see one another.
Crystal Voice
Crystalvoice is a leading Voice over Internet Protocol (VoIP) provider and system Integrator. It is dedicated to delivering customer management and billing solutions for individuals, entrepreneurs, carriers, VoIP calling card operators and corporate compa
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