| The development of IP telephone offers a new way to shorten the distance among the people and foreshows the progress of the new-generation information network. Fristly, H.323 protocol, SIP protocol -the recommendation that describes how to provide multimedia communication services over Packet-Based Networks is introduced in this article. Secondly, the article introduced how to setup one set of NGN network in TaiZhou, and how to provide voice over IP service in China Network Communications Group Corporation TaiZhou Branch. |
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