Issued Patents All Time
Showing 76–100 of 101 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7225271 | System and method for recognizing application-specific flows and assigning them to queues | Michael V. DiBiasio, Bruce Davie | 2007-05-29 |
| 7194354 | System for discovering and maintaining geographic location information in a computer network to enable emergency services | Silvano Gai | 2007-03-20 |
| 7167451 | User controlled audio quality for voice-over-IP telephony systems | — | 2007-01-23 |
| 7149499 | System for dynamically tracking the location of network devices to enable emergency services | Silvano Gai | 2006-12-12 |
| 7085224 | Method and apparatus for fast failure detection in switched LAN networks | — | 2006-08-01 |
| 7020771 | Controlling data security procedures using an admission control signaling protocol | — | 2006-03-28 |
| 6970449 | Distribution of packets in a wireless communication system using multicast protocols | Malcolm Muir Smith, Dana Blair, Gregory D. Pelton | 2005-11-29 |
| 6904037 | Asymmetric implementation of DSVD for voice/data internet access | Cary W. FitzGerald, Michael E. Knappe | 2005-06-07 |
| 6775265 | Method and apparatus for minimizing delay induced by DTMF processing in packet telephony systems | — | 2004-08-10 |
| 6665611 | System for discovering and maintaining geographic location information in a computer network to enable emergency services | Silvano Gai | 2003-12-16 |
| 6636594 | Dial plan mapper | — | 2003-10-21 |
| 6603774 | Signaling and handling method for proxy transcoding of encoded voice packets in packet telephony applications | Michael E. Knappe | 2003-08-05 |
| 6584093 | Method and apparatus for automatic inter-domain routing of calls | Hussein Farouk Salama, Dhaval N. Shah | 2003-06-24 |
| 6418125 | Unified mixing, speaker selection, and jitter buffer management for multi-speaker packet audio systems | — | 2002-07-09 |
| 6411705 | Signaling state management system for packet network gateways | Kevin Rowett | 2002-06-25 |
| 6404870 | Method and apparatus for authorization based phone calls in packet switched networks | Azita Ebrahimi Kia, Cary W. FitzGerald | 2002-06-11 |
| 6333931 | Method and apparatus for interconnecting a circuit-switched telephony network and a packet-switched data network, and applications thereof | David C. Lapier, Clay H. Neighbors, Khaled A. Gouda, Andrew Adamian | 2001-12-25 |
| 6275574 | Dial plan mapper | — | 2001-08-14 |
| 6240084 | Telephony-enabled network processing device with separate TDM bus and host system backplane bus | Cary W. FitzGerald, Michael E. Knappe | 2001-05-29 |
| 6212557 | Method and apparatus for synchronizing upgrades in distributed network data processing systems | — | 2001-04-03 |
| 6188760 | Signaling state management system for packet network gateways | Kevin Rowett | 2001-02-13 |
| 6061431 | Method for hearing loss compensation in telephony systems based on telephone number resolution | Michael E. Knappe | 2000-05-09 |
| 6011851 | Spatial audio processing method and apparatus for context switching between telephony applications | Kevin J. Connor, Michael E. Knappe | 2000-01-04 |
| 5905723 | System for achieving scalable router performance | George Varghese, Robert E. Thomas | 1999-05-18 |
| 5408619 | Naming service database updating technique | — | 1995-04-18 |