VoIP is to transmit voice sampling through packet switched network, usually have three types of VoIP business, today one of the most common is through the IP phone CARDS to call, generally used for long-distance voice communication, the user may never know his phone is using VoIP technology, VoIP technology in the enterprise application is relatively extensive, but family application development is slow, in addition to the causes of deficiency of broadband network popularization, standards, features to finalize the design and architecture etc. There are a lot of restricting factors, this paper introduces the present situation of the application of VoIP and technology platform, and analyzes the VoIP related equipment and software development roadmap and the future trend of the development of VoIP technology,
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