SIP-based feature control
US6615236B2 · kind B2 · utility
103Cited by
61References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1999 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | Nov 8, 2019 |
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.