What is VoIP phone service and technology
Apr.25, 2010 in
VoIP knowledge
VoIP stands for Voice over Internet Protocol, unlike the traditional public switched telephone networks, VoIP is a term refers to the delivery of voice communications over internet. There are at the moment three types of VoIP phone services in the world: 1. Use an analog telephone adaptor (ATA) to connect an existing telephone jack to [...]
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