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1. CN101009695 - A method and system for media negotiation

Office
China
Application Number 200610033418.8
Application Date 26.01.2006
Publication Number 101009695
Publication Date 01.08.2007
Publication Kind A
IPC
H04L 29/06
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
29Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/-H04L27/136
02Communication control; Communication processing
06characterised by a protocol
H04L 12/56
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
54Store-and-forward switching systems
56Packet switching systems
CPC
H04L 65/1069
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
65Network arrangements or protocols for real-time communications
10Signalling, control or architecture
1066Session control
1069Setup
H04L 69/24
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
69Application independent communication protocol aspects or techniques in packet data networks
24Negotiation of communication capabilities
Applicants Huawei Technologies Co., Ltd.
华为技术有限公司
Inventors Wang Ying
王樱
Shi Youzhu
施有铸
Agents
Title
(EN) A method and system for media negotiation
(ZH) 一种媒体协商的方法和系统
Abstract
(EN)
The disclosed media negotiation method and system comprise: during media negotiating, the AF requires QoS source to PDF/SPDF according to multiple code types supported by both sides of some media flow dialogue, then the media negotiation selects one code type according to bandwidth supported by current network. It also discloses the AF, PDF/SPDF and A-RACF. This invention can improve success rate of building dialogue.

(ZH)

本发明公开了一种媒体协商的方法和系统,通过AF向PDF/SPDFRACS进行QoS资源请求的过程参与并影响会话媒体协商过程,在会话媒体协商时,AF即根据对某个媒体流会话双方支持的多个编解码类型向PDF/SPDF进行QoS资源请求,会话媒体协商过程将根据当前传送网络所能支持的带宽需求选定一种编解码类型。使用本发明的方法和系统,可以提高会话建立成功率。本发明还公开了实现发明的AF、PDF/SPDF以及A-RACF。

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