Along with the advance of network technology and network integration trend of growing, IP network began to carry more and more traditional telecommunication network and Internet TV business; At the same time, the Internet has also created more new business, measurement of the network applications are more and more get the attention of the researchers, especially the application of VoIP business development speed especially on the Internet network, VoIP protocol, has been popular in the network protocol include h. 323, MGCP and SIP, SKYPE, VoIP is a typical application of CTI, it USES the existing data network the Internet as the foundation of carrying network, the traditional telecom speech signal coding, and data communication on the Internet, complete voice succeeded,
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