Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8255501 | Establishing an IP session between a host using SIP and a device without an IP address | Jheroen Dorenbosch | 2012-08-28 |
| 7539494 | Inter-site call routing and roaming support | Ajaykumar R. Idnani, Peter M. Drozt, Mark Hamlen, Steven D. Upp | 2009-05-26 |
| 7069027 | Silent zone muting system | — | 2006-06-27 |
| 7024195 | Location based grouping for wireless network coverage area | Jheroen Dorenbosch | 2006-04-04 |
| 6219703 | Method and apparatus for constructing a device management information base in a network management station | Cuong Nguyen, James A. Starkweather | 2001-04-17 |
| 5724509 | Method and apparatus for synchronizing implementation of configuration information in a communication system | James A. Starkweather, Orlando J. Perdomo, Deborah Lynn Rutan | 1998-03-03 |