这是斯坦福大学的文章,该文章详细的分析了p2p技术+sip技术来开发ip phone的可行性和技术重点分析,值得一睹-This is Stanford University, and in this article detailed analysis of the peer-to-peer technology to the development sip ip phone on the feasibility and technical focus, worthy of view

VoIP系统的关键技术语音抖动缓冲（Jitter Buffer）的详细资料。,Detailed information of VoIP system s key technology jitter buffer.

本书是详细的sip协议入门指导书。SIP是类似于HTTP的基于文本的协议。SIP可以减少应用特别是高级应用的开发时间。由于基于IP协议的SIP利用了IP网络，固定网运营商也会逐渐认识到SIP技术对于他们的深远意义。 -This book is a detailed guide book entry sip protocol. SIP is HTTP-like text-based protocol. SIP applications can be reduced, especially se