Title:
A METHOD, SYSTEM AND DEVICE OF SELECTING CALL MEDIATION NODE BY SOFT SWITCH DEVICE
Document Type and Number:
WIPO Patent Application WO/2009/089723
Kind Code:
A1
Abstract:
A method of selecting call mediation node by soft switch device is provided in the embodiment of the present invention, which includes the following steps: receiving the coding/decoding information; judging whether the coding/decoding information is included in the coding/decoding intersection of the forward office and the backward office; performing in the manner of call mediation node CMN, if the coding/decoding information is included in the intersection. A system and deviace of selecting call mediation node by soft switch device is also provided in the present invention. For the cross-area call in the same operator, at the interworking node of CS area and IMS/NGN network, the interworking MSC server applies the CMN manner if there is a common code/decode negotiated by CS area and IMS/NGN network, so as to improve the call succeeded speed greatly, and increase the device processing capacity.
Inventors:
LI XIAOJIN (CN)
Application Number:
PCT/CN2008/073717
Publication Date:
July 23, 2009
Filing Date:
December 25, 2008
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
LI XIAOJIN (CN)
LI XIAOJIN (CN)
International Classes:
H04M7/00
Domestic Patent References:
| WO2007045527A1 | 2007-04-26 |
Foreign References:
| CN1685691A | 2005-10-19 | |||
| CN101031006A | 2007-09-05 | |||
| US20050025130A1 | 2005-02-03 | |||
| CN1653826A | 2005-08-10 |
Other References:
See also references of EP 2234381A4
Attorney, Agent or Firm:
BEIJING TINGLI PATENT AGENCY (805 806 Jinyu Mansion No.129,Xuanwumen Xidajie, Xicheng, Beijing 1, CN)
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