METHOD, SYSTEM AND NETWORK APPARATUS FOR SETTING UP SESSION

Title:

METHOD, SYSTEM AND NETWORK APPARATUS FOR SETTING UP SESSION

Document Type and Number:

WIPO Patent Application WO/2008/011790

Kind Code:

A1

Abstract:

This invention presents a method, system and network apparatus for setting up a session. The method includes steps of: session participant sends session initiated protocol SIP message, which carries session description protocol SDP offer message, to network in the first session; the network joins session intermediate node to session path after the SIP message received by the network; the session intermediate node receives and relays data information carried by the session. The method otherwise includes steps of: session participant sends SIP message, which carries session description protocol SDP offer message, to network, said SIP message is used for setting up the second session; proxy call session control function, and/or service call session control function join/s session intermediate node to session path after the SIP message received by the network; the session intermediate node receives and relays data information carried by the session. This invention can efficiently join the intermediate node to session path, and meet application needs of session.

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Inventors:

CHENG HUA (CN)
LAI HAO (CN)
SHI YOUZHU (CN)

Application Number:

PCT/CN2007/001877

Publication Date:

January 31, 2008

Filing Date:

June 14, 2007

Export Citation:

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Assignee:

HUAWEI TECH CO LTD (CN)
CHENG HUA (CN)
LAI HAO (CN)
SHI YOUZHU (CN)

International Classes:

H04L29/06; H04L12/56

Foreign References:

KR20040092231A	2004-11-03
US20030115332A1	2003-06-19
US20040240399A1	2004-12-02

Other References:

ROSENBERG J. ET AL., RFC 3261 SIP: SESSION INITIATION PROTOCOL
3GPP TS 23.228 V5.13.0 IP MULTIMEDIA SUBSYSTEM, 31 December 2004 (2004-12-31)

Attorney, Agent or Firm:

UNITALEN ATTORNEYS AT LAW (Scitech PlaceNo. 22, Jian Guo Men Wai Ave.,Chao Yang District, Beijing 4, CN)

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