无线环境下的视频传送信道模拟软件

版本V4.1.1,Linux上的开放源代码的IP电话软件SIP协议，主要用于语音通话，但它也支持发送文本的即时消息，即可以像ICQ那样地用文字聊天。 如果网络带宽足够的话，它还支持可视电话 Kphone是GPL的开放源代码的软件。-version 4.1.1, It is IP phone software of Linux open source code based on SIP protocol, it can be used to voice communication, and surpport text IM, same function as ICQ used to text chat. In broad band circumstance, it surpport video conference. Kphone is GPL open source software .

STUN，VOIP中用来穿透NAT的一种方式，可以穿过基本的三种NAT-STUN, VoIP NAT used to penetrate a way, through the three basic NAT

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.

一个ip电话实例的实现，以vc为开发环境。-an example of the realization of telephone, vc for the development environment.

本文档可以告诉您　如何在libosip的基础上开发即时消息-this document can tell you how libosip development on the basis of instant messaging

OReilly - Practical VoIP Using VOCAL.doc-OReilly- Practical VoIP Using VOCAL.doc

gnugk-2.2.2 c实现的GateKeeper 实现IP电话网守功能。-GNUgk- 2.2.2 c achieve GateKeeper IP telephone gatekeeper function.

JRTPLib库中需要用到的多线程的支持库Jthread。使用于window、linux、unix等多平台。用户可以非常方便使用该库构建自己的线程应用-JRTPLib need for the use of multi-threading support for Jthread. For use in window, Linux, Unix and other platforms. Users can easily use the building for its own threaded applications

本系统是一个功能比较强大的网络办公系统, 网络对话,视频,网络会议,资源共享等等.-the system is a function of more powerful network office systems, dialogue, video, networking, the sharing of resources and so on.

实现局域网内点对点的音频通讯，数据编解码使用G.729,16:1的压缩比，数据传输使用UDP协议。音频模块可在公网内经行通讯-LAN communications within the peer-to-peer audio, data, use codec G.729, 16:1 compression ratio, data transmission using the UDP protocol. Audio module can be in the public network through the communication line