VoIP Handbook: Applications, Technologies, Reliability, and Security

VoIP Handbook: Applications, Technologies, Reliability, and Security The number of worldwide VoIP customers is well over 38 million. Thanks to the popularity of inexpensive, high-quality services, it’s projected to increase to nearly 250 million within the next three years. The VoIP Handbook: Applications, Technologies, Reliability, and Security captures the state of the art in VoIP technology and serves […]