H323协议快速入门手册VIP免费

第1页2019-1-3第1页H323协议速成第2页2019-1-3第2页目录H323协议速成............................................................................................................................1VoIP介绍...................................................................................................................................3什么是VoIP.......................................................................................................................3H323、SIP、MGCP、H.248协议的地位区别...................................................................3H323介绍...................................................................................................................................4H323的基本特点................................................................................................................4H323协议族和相关协议介绍.............................................................................................5H.323协议的结构图....................................................................................................5H.225.0协议................................................................................................................5H.245协议...................................................................................................................6H.450协议...................................................................................................................6H.261和H.263协议...................................................................................................6T.120、T.30和T.38协议.........................................................................................6G.7xx系列语音编码协议...........................................................................................6DTMF音的传送与RFC2833.....................................................................................7RTP和RTCP协议.....................................................................................................7H323的一些信令处理过程.........................................................................................................7准备工作—常用命令简述.................................................................................................7H225RAS常用命令：................................................................................................8H225Q931信令：.......................................................................................................8H245信令：................................................................................................................8无GK的两个终端间的慢速呼叫信令建立过程...............................................................9注册在同一GK下的两个终端的慢速呼叫过程...........................................................10注册在同一GK下的两个终端之间的快速呼叫过程....................................................10H323常用命令内容调试说明.................................................................................................13RRQ/RCF/RRJ..................................................................................................................13ARQ/ACF/ARJ.................................................................................................................15Setup..................................................