Mechanism to allow authentication of terminated SIP calls
US7484240B2 · kind B2 · utility
7Cited by
11References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2001 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Aug 26, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W48/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The invention proposes a method of performing authentication of a subscriber during a subscriber equipment terminated call, comprising the steps of sending a session invitation message (S4, S5) to the subscriber equipment, the session invitation message including authentication information (AuthData1), and performing an authentication procedure in the subscriber equipment by using the authentication information. The invention also proposes a corresponding network system, network control element and subscriber entity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.