Designed for non-engineering professionals needing to get up to speed on VoIP. Full coverage of all major VoIP technologies, buzzwords and mainstream solutions ... and most importantly, the concepts and ideas underlying Voice over IP. Independent of any particular vendor's viewpoint SIP, MPLS, voice packetization, RTP, G.729, hosted PBX, Megaco and much, much more.
Understanding Voice over IP 1: Components • Standards • Architectures
Starts with a big-picture view of VoIP, understanding the components including softswitches and gateways, the standards like RTP and SIP, and all of the different ways VoIP can be implemented.
Understanding Voice over IP 2: Voice Packetization • Voice Quality • Codecs, Jitter and Packet Loss • QoS with MPLS

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