Title:
DISASTER RECOVERY METHOD, SYSTEM AND APPARATUS, STANDBY IP-SM-GW, AND READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/116288
Kind Code:
A1
Abstract:
The embodiments of the present application relate to a disaster recovery method, system and apparatus, a standby IP-SM-GW, and a readable storage medium. The disaster recovery method comprises: receiving a final call request, which is forwarded by a signaling transfer point (STP), wherein the final call request is forwarded after the STP determines that a main IP-SM-GW is abnormal, and the final call request carries an integrated services digital network (ISDN) number of a called terminal; according to the ISDN number, determining position information of a call session control function (CSCF) network element to which the called terminal belongs; and sending the final call request to the CSCF network element according to the position information of the CSCF network element.
Inventors:
YU LEI (CN)
AN SHAOHUI (CN)
ZHANG LEI (CN)
AN SHAOHUI (CN)
ZHANG LEI (CN)
Application Number:
PCT/CN2022/132682
Publication Date:
June 29, 2023
Filing Date:
November 17, 2022
Export Citation:
Assignee:
ZTE CORP (CN)
International Classes:
H04W4/14
Foreign References:
| CN108124242A | 2018-06-05 | |||
| CN103580895A | 2014-02-12 | |||
| CN101287272A | 2008-10-15 | |||
| CN1929457A | 2007-03-14 |
Attorney, Agent or Firm:
CENFO INTELLECTUAL PROPERTY AGENCY (CN)
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