The common name shared by communication protocols, technologies and methods ensuring the transfer of the voice signal via the Internet network or by any other IP-networks. The signal is transferred by the communication channel in the digital form and, as a rule, before transferring compresses in order to remove abundance.
DGC Africa Network Services is NCC licensed, affiliated with DGC Europe and DGC USA. Established in 1998 as a next generation telecom Service provider empowered by switching platform equipment to provide digital network for voice, data and video tra
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