常见视频通信协议介绍 – RTSP.pdf, Common video communication protocol intro – RTSP
[gview file=”Video-communication-protocols-RTSP.pdf” save=”0″]
常见视频通信协议介绍 – RTSP.pdf, Common video communication protocol intro – RTSP
[gview file=”Video-communication-protocols-RTSP.pdf” save=”0″]
Most of the missing features are AVPF related, which is defined in RFC4585 and RFC5104. RFC4585: Extended RTP Profile for Real-time Transport […]
An issue of call establishment delay when conferencing with Polycom MCU RMX2000 The situation was 1. Meeting entities 1). Polycom MCU: Polycom […]
本文主要描述了KDV1000终端和Polycom会议终端对通时Polycom设备浏览KDV1000的High Profile码流绿屏问题。
As you may know, to be a robust meeting entity, we must take good care of compatibility requirements for different facilities from different manufacturers. In H.323 protocol, we can use fields like Vendor ID, Product ID, Version ID in the signaling commands. But how to do this when you are using SIP protocol? Definitions in RFC 3261 20.35 Server The Server header field contains information about the software used by the UAS to handle the request. Revealing the specific software version of the server might allow the server to become more vulnerable to attacks against software that is known to contain security holes. Implementers SHOULD make the Server header field a configurable option. Example: Server: HomeServer v2 20.41 User-Agent The User-Agent header field contains information about the UAC originating the request. The semantics of this header field are defined in [H14.43]. Revealing the specific software version of the user agent might allow the user agent to become more vulnerable to attacks against software that is known to contain security holes. Implementers SHOULD make the User-Agent header field a configurable option. […]