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.
iTalk is a US based provider of international telecommunications services. iTalk delivers high quality voice and data services to its customers via its proprietary Voice Over Internet Protocol ("VOIP) network. The company`s customers include most of the m
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