| 9300803 |
Integrating telephony and voice mail routing |
— |
2016-03-29 |
$27,408,000 |
| 9065910 |
Integrating telephony and voice mail routing |
— |
2015-06-23 |
$20,620,000 |
| 9009766 |
Optimization of video for wireless delivery |
— |
2015-04-14 |
$25,504,000 |
| 8848695 |
Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS) |
Wing-Kuen Chung, Cherng-Daw Hwang |
2014-09-30 |
$22,681,000 |
| 8848551 |
Identify a secure end-to-end voice call |
Hosahalli Nanjappa Narendra, Parameswaran Kumarasamy, Sandeep Kohli, Kavithadevi Parameswaran |
2014-09-30 |
$22,681,000 |
| 8787358 |
System for ad-hoc communication sessions |
— |
2014-07-22 |
$27,084,000 |
| 8761132 |
Enhanced wireless voice services using a signaling protocol |
— |
2014-06-24 |
$30,799,000 |
| 8694054 |
Wireless cell phone headset relay |
— |
2014-04-08 |
$43,064,000 |
| 8144692 |
Automation of IP phone provisioning with self-service voice application |
Najeeb Haddad, Laure Andrieux, Jawhny Cooke, Fong Shen |
2012-03-27 |
$31,654,000 |
| 8126009 |
Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS) |
Wing-Kuen Chung, Cherng-Daw Hwang |
2012-02-28 |
$44,217,000 |
| 7953079 |
Method and apparatus to control access to content |
Sunil Shashikanthan John |
2011-05-31 |
$34,564,000 |
| 7852783 |
Identify a secure end-to-end voice call |
Hosahalli Nanjappa Narendra, Parameswaran Kumarasamy, Sandeep Kohli, Kavithadevi Parameswaran |
2010-12-14 |
$26,420,000 |
| 7746881 |
Mechanism for modem pass-through with non-synchronized gateway clocks |
Hebert M. Wildfeuer, Nicholas J. Cutaia |
2010-06-29 |
$23,802,000 |
| 7684555 |
Method and system for failover capability for remote call center agents |
Michelle Ng, Yuan Cai, Satish B. Ananthanarayana |
2010-03-23 |
$41,605,000 |
| 7673021 |
Automated provisioning of phones in packet voice networks |
Jawhny Cooke, Laure Andrieux, Fong Shen, Najeeb Haddad |
2010-03-02 |
$32,153,000 |
| 7640326 |
Relaying of message waiting indications to support distributed telephony networks |
Anil Sharma, Kishore Inampudi |
2009-12-29 |
$28,270,000 |
| 7558246 |
Selecting a routing mode for a call session |
— |
2009-07-07 |
$32,561,000 |
| 7339924 |
Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS) |
Wing-Kuen Chung, Cherng-Daw Hwang |
2008-03-04 |
$69,672,000 |
| 7286492 |
Private branch exchange (PBX) conditioning method and apparatus |
— |
2007-10-23 |
$59,916,000 |
| 7181522 |
Method and apparatus for call setup within a voice frame network |
Dhaval N. Shah, Neil Raymond Joffe |
2007-02-20 |
$51,783,000 |
| 7068594 |
Method and apparatus for fault tolerant permanent voice calls in voice-over-packet systems |
— |
2006-06-27 |
$33,709,000 |
| 7009962 |
Method and apparatus for providing forwarding on ring-no-answer for remote telephone extensions using voice over packet-data-network systems (VOPS) |
Wing-Kuen Chung, Cherng-Daw Hwang |
2006-03-07 |
$61,657,000 |
| 7006493 |
Virtual voice port configured to connect a switched voice call to a permanent voice call |
Patrik Buckingham |
2006-02-28 |
$28,418,000 |
| 6931103 |
Failover mechanisms for remote networked phones |
Vikas Butaney |
2005-08-16 |
$64,045,000 |
| 6829244 |
Mechanism for modem pass-through with non-synchronized gateway clocks |
Hebert M. Wildfeuer, Nicholas J. Cutaia |
2004-12-07 |
$135,509,000 |
