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Description of Media parameter in SIP "m=audio 12548 …
https://stackoverflow.com/questions/27869523/description-of-media-parameter-in-sip-m-audio-12548-rtp-avp-0-8-101
· 1 Answer1. Show activity on this post. It's a field from SDP protocol, describing parameters of media ("m" is for "media"). Next, type of media is "audio", not video, for example. (m=audio). 12548 is a port address for streaming media. "RTP/AVP" means "RTP Audio/Video Profile" and representing one of RTP profiles, which are coded by 0, 8 and ...
sdp详解_webrtc-CSDN博客_sdp详解
https://blog.csdn.net/xyblog/article/details/49741267
2015-11-9 · m=audio 0 RTP/AVP 96 //做为媒体描述信息的重要组成部分描述了媒体信息的详细内容：表示session的audio是通过 ... 在SIP协议的包含的内容是SDP时，应该把Content-Type设置成application/sdp 。 SDP:Session Description Protocol ...
完整SIP/SDP媒体协商概论-SDP协商模式详解-会话管理全解 ...
http://www.ctiforum.com/news/guonei/569731.html
· 在SIP响应中的SDP可以用来指示对端的媒体支持能力。读者可以查阅RFC 3261-11获得关于查询能力的介绍。 ... m=audio 38400 RTP/AVP 0 m=audio 49500 RTP/AVP 8 m=audio ...
SDP在RTSP、国标GB28181、WebRTC中的实践 - 知乎
https://zhuanlan.zhihu.com/p/142721129
2020-5-22 · m=audio 0 RTP/AVP 96 解释：表示该路会话的的audio是通过RTP来格式传送的，其payload值为96 ... 基于SIP协议国标GB28181中的SDP ： 国标协议也是基于SIP协议开发的，所以这里的SDP协议是在给前端设备下发INVITE信令的回复中带上来的，这里的SDP ...
Solved: SIP/SDP - no codec specifed - Cisco Community
https://community.cisco.com/t5/ip-telephony-and-phones/sip-sdp-no-codec-specifed/td-p/3913990
2019-8-26 · Do you have the SIP traces showing no audio codec? I am surprised a carrier would not include any m=audio or a=rtpmap if they are sending the invite with SDP. I believe the default codec for a voip dial peer is g.729, but as long as you have a voice class codec assigned to the dial peer with the other codecs, that should be fine.
WebRTC SDP 详解和剖析-阿里云开发者社区
https://developer.aliyun.com/article/781443
2021-1-25 · Compare with SIP SDP RTC 场景与 SIP 场景下的 SDP 描述的不同表现在传输、媒体、信令三个层面 ... // RTC 场景 a=candidate:1 1 udp 2013266431 30.27.136.138 14306 typ host // SIP 场景 c=IN IP4 30.41.5.131 m=audio 2352 RTP/AVP 107 108 114 104 105 9 ...
会话初始协议SIP与SDP简介 - 云+社区 - 腾讯云
https://cloud.tencent.com/developer/news/387488
2019-1-20 · 会话初始协议SIP与SDP简介。与代理服务器不同，B2BUA保持对话状态，并参与其建立的对话中发送的所有请求。User Agent(UA)：既能作为用户代理客户端又能作为用户代理服务器的逻辑实体。对于INVITE事务来讲，除包含INVITE请求和对应的响应 ...
sip与sdp_duolezengjie的专栏-CSDN博客_sip/sdp
https://blog.csdn.net/duolezengjie/article/details/51089037
2016-4-7 · sip和sdp: Sip负责建立和释放会话，一般来说，会话会包含相关的媒体，如视频和音频。媒体数据是有sdp描述的。Sdp一般不单独使用，他与sip配合使用时会放到sip协议的征文（boby）中。 会话建立时，需要媒体协商，双方才能确定对方的媒体能力以及交换
完整SIP/SDP媒体协商概论-SDP协商模式详解-会话管理全解 ...
http://ec.ctiforum.com/jishu/qiye/qiyetongxinjishu/kaiyuantongxin/jishudongtai/569732.html
· 完整SIP/SDP媒体协商概论-SDP协商模式详解-会话管理全解. 笔者在前面的章节重点讨论了answerer中answer消息的构建，针对发起方对answer消息中单播和多播环境处理进行了讨论说明。. 除了前面章节中针对应答方生成answer的讨论以外，本章节还将继续介绍关于SDP的会话 ...
Brief Introduction of SIP and SDP Protocol – Yeastar Support
https://support.yeastar.com/hc/en-us/articles/360009806434-Brief-Introduction-of-SIP-and-SDP-Protocol-
2021-8-9 · SDP parameters. IP PBX and IP Phone use SIP to establish calls and use SDP to negotiate the parameters of media stream (audio, video). Here are some related parameters in SDP Media description. m=media name, port, proto and payload; media name: audio, video. port: the port to receive media stream. proto: RTP/AVP, RTP/SAVP. RTP/AVP represents RTP
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