g7 series of audio codec code, can help you in the use of voip

应用背景This section shows and describes a call flow for a successful call using the Cisco ATA and MGCP. Note :The term Cisco ATA refers to both the Cisco ATA 186 and the Cisco ATA 188, unless otherwise stated. 关键技术Figure C-1 on page C-2 illustrates a basic call flow between two Cisco ATAs through a VocalData Call Agent. Table C-1 on page C-3 describes the action the Cisco ATA takes for each step in the call flow illustration and includes the log created by each step.

SDP2327，中文版，学习sipHello的同学可以参考一下-SDP2327

VOIP行业的H323协议终端软电话的源代码，对VOIP行业的开发、技术维护人员有较大帮助。-H323 VOIP industry agreement soft phone terminal source code for the development of the VoIP industry, technical maintenance staff have more help.

自己动手写的sip协议栈，SIP（Session Initiation Protocal）称为会话初始化协议，是由IETF（Internet Engineering Task Force）组织于1999年提出的一个基于IP网络中实现实时通信应用的一种信令协议。-Do-It-Yourself wrote sip protocol stack, SIP (Session Initiation Protocal) known as the Session Initiation Protocol is the IETF (Internet Engineering Task Force) organization in 1999 as a network-based real-time IP communications applications a letter the agreement.

一个音频编码库，支持多种音频编码方法 可以用于VoIP-an audio coding the support of a variety of audio coding method can be used for VoIP

OSIP.PDF

nettalk 一个很好的网络电话源代码 希望大家喜欢-nettalk a good Internet phone source code hope you like

视频压缩编解码ITU h.263源代码.经典的视频会议和远程监控算法.- The video frequency compression arranges decodes ITU the h.263 source code Classical video frequency conference and long-distance monitoring algorithm

网络NC v1.0 源代码.rar-network NC v1.0 source code. Rar

用C＋＋语言写的开源SIP协议栈源码 编译环境为vs.net 2003-C++ language to write open-source SIP protocol stack source compiler environment vs.net 2003