PC-vc-SipProxy

这是一篇关于sip协议介绍的文章,主要讲述了3个协议:sip,sdp,sap协议的工作原理,值得研究-This is a sip of agreement on the article, the story of three agreements : sip, sdp, sap the working principle of the agreement, worth studying

程序应该是自已explainatory如果不，用户手册是attacted。 原始代码被评论。 文件附有了： phonev2a.c -原始代码， phonev2a.exe -二进制文件， samdb.txt -样品数据库文件， userm2a.doc -用户手册。-The program should be self-explainatory if not,a user manual has been attacted. source code are commented. Files attached: phonev2a.c- source code, phonev2a.exe- binary file, samdb.txt- sample database file, userm2a.doc- user manual.

2.0说明 1.0支持系统的录音多种格式,有一定的延时,没有过滤杂音功能. 2.0已取消支持系统的录音多种格式,使用PCM采集数据G711A压缩格式(8000HZ单声道16位格式录音每秒以8K完成数据,16000HZ单声道16位格式录音每秒以11K完成数据,音质相当好),延时降低到最小100-500MS以内,不会随时间增加而增加延时(如果是说话测试一直保持200MS的延时,如果是用播放歌曲来测试,有自动校正延时功能,恢复成200MS的延时,恢复过程中不会中断歌曲的播放,只是小小加快唱歌的速度,听觉不会觉察出来),加入了过滤杂音功能. 2.0安装 将ACMG711.dll复制到系统文件夹里 再安装控件 -2.0 1.0 Note recording system to support multiple formats, a certain delay, no noise filtering function. 2.0 support system has been abolished recording formats, the use of PCM data acquisition G711A compression format (8000HZ 16 mono recording format to 8K per second complete data 16000HZ mono recording format 16 to 11K per second complete data quality is very good), Delay reduced to the minimum 100-500MS within not with time delay increases (if word has been tested 200MS delay, If it is used to test play the songs, the automatic correction function of delay, 200MS resume into the delay, the recovery process will not be interrupted play songs, singing just a small speed up

基于RTP的MPEG_4视频传输研,我的研究生毕业论文，供大家参考-RTP-based video transmission MPEG_4 the inquiry, my graduate thesis, for your reference

基于sip的服务器程序，java编写，很不错的-Procedures based on the sip server, java prepared, very good

基于C＃实现的视频会议系统，很不错的啊，供大家学习学习-C#-based video conferencing systems to achieve very good ah, for everyone to learn to learn

H323到PSTN的网关 -Gateway from H323 to PSTN

如何成功的运用OPENH323 来开发商业的H.323 协议栈-how to successfully make use of OPENH323 to develop commercial H.323 protocol stack

H.323协议系列的一部分，用于会话的控制，开发H.323产品必须要懂H.225,这是2000年的版本，对应H.323 V4-H.323 part of the series for the conversational control, product development H.323 H.225 must understand that this is the 2000 version, corresponding H.323 V4

jpeg视频编解码程序，包括dct变换、量化、vlc等过程，针对视频压缩-jpeg video codec procedures, including Extra transform, quantization, VLC and so on, for video compression