It is a call which is made over internet protocol (VoIP). For example, one can call using Google Voice to other recipient located miles away. Such call can also be international.
TalkNet is an Australian-owned wholesale provider of end-to end, business-grade Voice-over Internet Protocol (VoIP) telephony services. The TalkNet service enables ISPs, PABX and network integrators, consultants, and other retail channel partners to offer
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