Proxy call session control function failure recovering method, apparatus and system
US11178714B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2020 |
| Grant date | Nov 16, 2021 |
| Priority date | — |
| Expiry date | Feb 3, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W80/10
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Provided is a proxy call session control function (P-CSCF) failure recovery method. The method includes: sending, by a session management function (SMF), a SMF registration request to unified data management (UDM), where the SMF registration request carries Internet protocol multimedia core network subsystem (IMS) attribute information; receiving, by the SMF, a P-CSCF failure recovery indication sent by the UDM; registering, by the UDM, according to the IMS attribute information in the SMF registration request, the SMF; and initiating, by the SMF, according to the P-CSCF failure recovery indication, a P-CSCF failure recovery process. Further provided are a P-CSCF failure recovery method, a P-CSCF failure recovery apparatus, a P-CSCF failure recovery system, a storage medium and a processor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.