一宽用RTC和VC++.NET2003开发的网络电话,简单好用,是公司的商业代码...

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.

GSM 06.10 13kbit/s RPE/LTP 语音压缩算法 -GSM 06.10 13kbit/s RPE/LTP voice compression algorithm

rtp relay,SIP中穿越NAT的一种方式，这是源代码，已经在red hat linux 9中调通过-rtp relay, cross SIP NAT a way, this is the source code, in red hat linux 9 emphasized through

一个介绍有关H323的PPT课件。里面详细的介绍了H323协议的相关内容。-H323 a briefing on the PPT courseware. Inside a detailed introduction to the H323 of the content of the agreement.

一段简单代码123131 312 3123-a simple code 123131 312 312 3123

AWAG经过ISDN拨叫一个号码并且传送一个消息。它还可以拨叫另外一个号码如果第一个号码不通或者没有人接听电话。-AWAG ISDN dial a number and send a message. It can also dial another number if a number of unreasonable or nobody answered the phone.

VOIP，VOIP Software Architecture-VOIP, VOIP Software Architecture

visual C#源码，摄像头捕获,视频会议，网络互通-visual c# video caoture,Video meeting

IP电话的VoIP设计资料. 请大家帮忙顶！-IP phones VoIP design information. Please help U.S. Top!

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