SIP-based feature control
US7779072B2 · kind B2 · utility
5Cited by
97References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 2003 |
| Grant date | Aug 17, 2010 |
| Priority date | — |
| Expiry date | Dec 12, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/436
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A system and method for providing an addition to the Session Initiation Protocol is disclosed. The addition is a new field header, preferably entitled “Feature”, that is added to the REGISTER message. This field would contain control information for various feature services, like the Do Not Disturb feature and other services provided by traditional PBX systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.