Call control presence
US8139741B1 · kind B1 · utility
13Cited by
144References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2010 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | May 30, 2030 |
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.