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.
Zigma5 provides cloud computing based business phone systems designed for today''''s mobile and distributed business world. The Zigma5 technology platform eliminates the need for expensive and technically complex on-premise legacy phone systems. By combin
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