IP电话的代码,可以改称会议室的,很不错的,

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.

白板，通过SocketAPＩ实现网络画图．-whiteboard, Socket API network drawing.

用vb编的一个拨号电话软件程序，希望对visual basic编程感兴趣和希望了解拨号电话软件程序原理的人有所帮助-Vb by telephone for a dial-up software programs, hoping to interest in visual basic programming and would like to know the principle of a dial-up phone software programs help people! !

使用directshow来进行mpeg-4的视频传输，网络传输使用rtp协议-directshow to use MPEG-4 video transmission, the use of network transmission agreement rtp

在开发 VoIP 系统时，主要考虑的一个方面就是连接到模拟电话的接口。设计人员必须了解 PSTN 中存在的电话接口要求，因为它们必须在 VoIP 系统中得到支持。本文将重点介绍连接到标准 POTS 电话的两种最常用接口：Foreign eXchange Subscriber (FXS) 与 Foreign eXchange Office (FXO)。重点说明了设计人员在为 VoIP 小区网关的模拟电话接口提供支持时可能面临的某些挑战。-In the development of VoIP system, one aspect of the main considerations is connected to the analog telephone interface. Designers must understand the existing PSTN telephone interface requirements, because they are in the VoIP system must be supported. This article will focus on the standard POTS telephone connected to the two most commonly used interface: Foreign eXchange Subscriber (FXS) and Foreign eXchange Office (FXO). Focusing on the design staff in the Residential Gateway for VoIP analog telephone interface may provide support to some of the challenges faced.

视频会议编码传输，视频编解码与传输的Demo程序,-transmission coding video conferencing, video codecs and transmission Demo procedures,

IP电话的TCP,IP实现方法.pdf-TCP IP telephony, IP method. Pdf

用ASP和数据库结合编程制作的超级视频会议系统(价值十万),功能齐全,界面友好-ASP and database programming produced by the combination of the Super Video Conference System (worth 100,000), fully functional, user-friendly

voip telephony asterisk chinese doc

说明：网上的实现基于SIP协议通信的例子，来源于百度文库。已经经过测试，完全可以编译成功。使用平台：VS2010lib目录：库文件，eXosip2.lib, libeay32.libosip2.lib osipparser2.lib ssleay32.libinc目录：所用到库的头文件。dll 目录：动态库文件uac：用户代理客户端uas：用户代理服务器端