Title:
A METHOD, SYSTEM AND APPARATUS FOR IMPLEMENTING CALL SERVICE
Document Type and Number:
WIPO Patent Application WO/2008/095426
Kind Code:
A1
Abstract:
A method, system and apparatus for implementing call service are provided. The Unstructured Supplementary Service Data CALL BACK (UCB) exchanging side receives the call request for UCB service initiated from the roaming intelligent user and interprets it, and initiates the respective call process of the calling user and the called user respectively based on the interpreted information of the calling user and the called user, so as to establish the call connection from the UCB interchanging side to the calling user, and the call connection from the UCB interchanging side to the called user; the UCB interchanging side establishes the bridge connection for the said two half segment of call connection, the calling user and the called user realize call of the UCB service through the said connection, the UCB interchanging side performs charging control for the call of the calling user and the called user by triggering the called processes of the home SCPs of the calling user and the called user. According to the invention, the UCB service recognition processing and call jointing is performed by the UCB interchanging side, and the charging control is achieved by the SCP, so that the process for SCP instructing the UCB interchanging side to perform UCB service recognition and call jointis avoided and the implementability of UCB service is improved.
Inventors:
WANG LIN (CN)
CHEN LIANG (CN)
CHEN LIANG (CN)
Application Number:
PCT/CN2008/070101
Publication Date:
August 14, 2008
Filing Date:
January 14, 2008
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
WANG LIN (CN)
CHEN LIANG (CN)
WANG LIN (CN)
CHEN LIANG (CN)
International Classes:
H04L12/14; H04W76/02; H04M7/00; H04M15/00; H04W4/16; H04W4/14
Foreign References:
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| CN1874535A | 2006-12-06 | |||
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| US5414750A | 1995-05-09 | |||
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| DE10008127A1 | 2001-09-06 |
Attorney, Agent or Firm:
BEIJING CATALY IP ATTORNEY AT LAW (the 8th FloorZhongtieke Mansion, Daliushu Road No.A2,Haidian District, Beijing 1, CN)
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