| 10230641 |
Method and apparatus for controlling call volume |
Chaoxin Qiu, Robert F. Dailey, Arshad Khan, Jeffrey L. Scruggs |
2019-03-12 |
| 9954780 |
Method and apparatus for controlling call volume |
Chaoxin Qiu, Robert F. Dailey, Arshad Khan, Jeffrey L. Scruggs |
2018-04-24 |
| 9088588 |
Method and apparatus for registering communication devices in a communication system |
Chaoxin Qiu, Robert F. Dailey |
2015-07-21 |
| 9031217 |
Method and apparatus for controlling call volume |
Chaoxin Qiu, Robert F. Dailey, Arshad Khan, Jeffrey L. Scruggs |
2015-05-12 |
| 8713355 |
Method and apparatus for managing communication services for user endpoint devices |
Chaoxin Qiu, Robert F. Dailey |
2014-04-29 |
| 8644299 |
Method and apparatus for efficiently routing packets across disparate networks |
Robert F. Dailey, Arshad Khan, Chaoxin Qiu |
2014-02-04 |
| 8576833 |
Fault tolerant voice over Internet protocol (VoIP) systems and methods to operate the same |
Chaoxin Qiu, William R. J. Chorley, Richard L. Khan, Robert F. Dailey, James Jackson |
2013-11-05 |
| 8521232 |
Methods and apparatus to display service quality to a user of a multiple mode communication device |
Anil Doradla |
2013-08-27 |
| 8484504 |
Method and apparatus for managing communication services for user endpoint devices |
Chaoxin Qiu, Robert F. Dailey |
2013-07-09 |
| 8271045 |
Methods and apparatus to display service quality to a user of a multiple mode communication device |
Anil Doradla |
2012-09-18 |
| 8239705 |
Method and apparatus for managing communication services for user endpoint devices |
Chaoxin Qiu, Robert F. Dailey |
2012-08-07 |
| 8126121 |
Multi-modal communications method |
Vikram Bhavsar |
2012-02-28 |
| 8050395 |
Analog telephone adapter and emergency proxy |
Mehrad Yasrebi, Haifeng Bi, Saji Varughese, Robert F. Dailey |
2011-11-01 |
| 7929453 |
Method and apparatus for presenting quality information in a communication system |
Anil Doradla |
2011-04-19 |
| 7814193 |
Distributing user endpoint registrations among border elements in a next generation network |
Chaoxin Qiu, Robert F. Dailey |
2010-10-12 |
| 7461381 |
Flexible network platform and call processing system |
Thomas Adams, Will R. Chorley, Philip Cunetto, James M. Doherty, John E. Lemay +3 more |
2008-12-02 |
| 7366285 |
Multi-modal communications method |
Vikram Bhavsar |
2008-04-29 |
| 6724875 |
Flexible network platform and call processing system |
Thomas Adams, Will R. Chorley, Philip Cunetto, James M. Doherty, John E. Lemay +3 more |
2004-04-20 |
| 6704396 |
Multi-modal communications method |
Vikram Bhavsar |
2004-03-09 |