Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9071633 | Methods, systems, and computer program products for storing communication session data at a network interface module | David Z. Lu | 2015-06-30 |
| 8681776 | Methods, systems and computer program products for storing communication session information at a network interface module | David Z. Lu | 2014-03-25 |
| 8259704 | System and method for load sharing among a plurality of resources | — | 2012-09-04 |
| 8224384 | Methods, systems, and computer program products for oversubscription of wireless media gateway resources | Hao Hou, Yong He | 2012-07-17 |
| 7995557 | System and method for determining network quality for voIP calls | Mathew C. Perry, Chen Cao, Ya-Nan Long | 2011-08-09 |
| 7969890 | Methods, systems, and computer program products for load balanced and symmetric path computations for VoIP traffic engineering | Edward Y. Qian, David Z. Lu, Rupert Zhu, Yen Shei | 2011-06-28 |
| 7965627 | QoS measurement with split-path zero-latency virtual jitter buffer | Weijun Lee, David Z. Lu | 2011-06-21 |
| 7948985 | Methods, systems, and computer program products for source-aware IP routing at a media gateway | David Z. Lu, Edward Y. Qian, Rupert Zhu | 2011-05-24 |
| 7940660 | Methods, systems, and computer program products for voice over IP (VoIP) traffic engineering and path resilience using media gateway and associated next-hop routers | Rupert Zhu, David Z. Lu, Edward Y. Qian | 2011-05-10 |
| 7881188 | Methods, systems, and computer program products for implementing link redundancy in a media gateway | Edward Y. Qian, David Z. Lu | 2011-02-01 |
| 7830864 | Apparatus and methods for per-session switching for multiple wireline and wireless data types | — | 2010-11-09 |
| 7809128 | Methods and systems for per-session traffic rate policing in a media gateway | Yen Shei | 2010-10-05 |
| 7715403 | Methods, systems, and computer program products for load balanced and symmetric path computations for VoIP traffic engineering | Edward Y. Qian, David Z. Lu, Rupert Zhu, Yen Shei | 2010-05-11 |
| 7593415 | Voice packet switching systems and methods | Stephen R. Barnes, Jingdong Ye | 2009-09-22 |
| 7570594 | Methods, systems, and computer program products for multi-path shortest-path-first computations and distance-based interface selection for VoIP traffic | Rupert Zhu, David Z. Lu, Edward Y. Qian, Yen Shei | 2009-08-04 |
| 7492767 | Methods, systems, and computer program products for throttling network address translation (NAT) learning traffic in a voice over IP device | David Z. Lu, Yen Shei | 2009-02-17 |
| 7453893 | Methods and apparatus for generating session detail records | Weijun Lee, David Z. Lu | 2008-11-18 |
| 7424025 | Methods and systems for per-session dynamic management of media gateway resources | Edward Y. Qian, David Z. Lu, Yen Shei, Weijun Lee | 2008-09-09 |
| 7380011 | Methods and systems for per-session network address translation (NAT) learning and firewall filtering in media gateway | Weijun Lee, David Z. Lu | 2008-05-27 |
| 7006489 | Voice packet switching system and method | Stephen R. Barnes, Jingdong Ye | 2006-02-28 |
| 6980511 | Method of active dynamic resource assignment in a telecommunications network | Na Li, Cathy Fulton | 2005-12-27 |
| 6956820 | Methods, systems, and computer program products for voice over IP (VoIP) traffic engineering and path resilience using network-aware media gateway | Rupert Zhu, David Z. Lu, Edward Y. Qian | 2005-10-18 |
| 6944191 | Method of optimizing equipment utilization in telecommunication access network | Hao Hou, Na Li, Thomas A. Cain | 2005-09-13 |
| 6826151 | Apparatus and method for congestion control in high speed networks | Sam Sigarto | 2004-11-30 |
| 6144639 | Apparatus and method for congestion control in high speed networks | Yongdong Zhao, Sam Sigarto | 2000-11-07 |