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.
Master Telecom is the global voice services provider in both the retail and wholesale telecommunications arenas, headquartered in New York, with a significant presence in Baltic States and substantial businesses in Poland, Russia and Ukraine. The primary
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