Call control presence
US7965828B2 · kind B2 · utility
27Cited by
144References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2006 |
| Grant date | Jun 21, 2011 |
| Priority date | — |
| Expiry date | Mar 31, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M7/006
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Included are embodiments for detecting presence in a call control protocol environment. At least one embodiment of a method includes subscribing to events associated with a communication system and receiving a notification for an event, the event being associated with a communication between a first communications device and a second communications device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.