Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8582544 | Communication device for configuring failover communication services | Chaoxin Qiu, Jeffrey L. Scruggs | 2013-11-12 |
| 8576833 | Fault tolerant voice over Internet protocol (VoIP) systems and methods to operate the same | Chaoxin Qiu, William R. J. Chorley, Richard L. Khan, Satish Parolkar, James Jackson | 2013-11-05 |
| 8543640 | Method and apparatus for managing user endpoint devices in a communication network | Chaoxin Qiu, Jeffrey L. Scruggs | 2013-09-24 |
| 8531995 | Systems and methods for location management and emergency support for a voice over internet protocol device | Richard L. Khan, Chaoxin Qiu | 2013-09-10 |
| 8533348 | Failover communication services | Chaoxin Qiu, Jeffrey L. Scruggs | 2013-09-10 |
| 8526314 | Methods and apparatus to provide service assurance for communication networks | Chaoxin Qiu, Haifeng Bi | 2013-09-03 |
| 8495205 | Method and apparatus for mitigating an overload in a network | Chaoxin Qiu, Arshad Khan, Jeffrey L. Scruggs | 2013-07-23 |
| 8484504 | Method and apparatus for managing communication services for user endpoint devices | Chaoxin Qiu, Satish Parolkar | 2013-07-09 |
| 8456981 | Preserving stable calls during failover | Chaoxin Qiu, Arshad Khan, Jeffrey L. Scruggs | 2013-06-04 |
| 8429119 | System and method of determining relationship information | Sreenivasa Gorti, Ankur Mukerji, Scott Thomas | 2013-04-23 |
| 8332514 | Methods and apparatus for load balancing in communication networks | Chaoxin Qiu, William R. J. Chorley | 2012-12-11 |
| 8305932 | Method and apparatus for growing next generation network using modular design | Chaoxin Qiu, Arshad Khan, Jeffrey L. Scruggs | 2012-11-06 |
| 8239705 | Method and apparatus for managing communication services for user endpoint devices | Chaoxin Qiu, Satish Parolkar | 2012-08-07 |
| 8189568 | System and method for location management and emergency support for a voice over internet protocol device | Chaoxin Qiu, Richard L. Khan, Keith Joseph Allen, Geoffrey Zampiello | 2012-05-29 |
| 8180807 | System and method of determining relationship information | Sreenivasa Gorti, Ankur Mukerji, Scott Thomas | 2012-05-15 |
| 8156219 | System and method of health monitoring and fault monitoring in a network system | Chaoxin Qiu, Jeffrey L. Scruggs | 2012-04-10 |
| 8050395 | Analog telephone adapter and emergency proxy | Mehrad Yasrebi, Haifeng Bi, Saji Varughese, Satish Parolkar | 2011-11-01 |
| 8041823 | Optimization of media flows in a telecommunications system | Chaoxin Qiu, Arshad Khan, Jeffrey L. Scruggs | 2011-10-18 |
| 7991139 | Methods and apparatus to limit ring trees in voice over internet protocol networks | Chaoxin Qiu | 2011-08-02 |
| 7936683 | System and method of monitoring network performance | Chaoxin Qiu, Jeffrey L. Scruggs | 2011-05-03 |
| 7843809 | Preserving stable calls during failover | Chaoxin Qiu, Arshad Khan, Jeffrey L. Scruggs | 2010-11-30 |
| 7814193 | Distributing user endpoint registrations among border elements in a next generation network | Chaoxin Qiu, Satish Parolkar | 2010-10-12 |
| 7639792 | System and method for location management and emergency support for a voice over internet protocol device | Chaoxin Qiu, Richard L. Khan, Keith Joseph Allen, Geoffrey Zampiello | 2009-12-29 |