| 11553092 |
Cloud migration utilities for telephony services |
— |
2023-01-10 |
$84,240,000 |
| 10581829 |
Certificate-based call identification and routing |
Suneth Mercian Wilathgamuwage Don, John Joseph Costello, Oliver W. Fagan, Sinead Kelly |
2020-03-03 |
$38,838,000 |
| 9942390 |
Internet protocol telephony with variable-length carrier systems |
— |
2018-04-10 |
$38,084,000 |
| 9923729 |
System for delivering unified conferences in light of prohibition of toll bypass |
— |
2018-03-20 |
$34,574,000 |
| 9894109 |
Lawful intercept in an internet protocol-based telephony system |
— |
2018-02-13 |
$46,596,000 |
| 9832087 |
Enterprise integration with cloud-based multimedia system |
Jonathan Rosenberg, Scott Henning |
2017-11-28 |
$26,288,000 |
| 9531883 |
Providing an announcement for a multiparty communication session |
— |
2016-12-27 |
$34,398,000 |
| 9450882 |
Method and apparatus for supporting call admission control using graph assembly and fate-share identifiers |
— |
2016-09-20 |
$29,069,000 |
| 9363368 |
Configurable call recording policy |
Shipeng Li, George Gary |
2016-06-07 |
$32,669,000 |
| 9167399 |
Handoff of communication sessions between cellular and desktop telephones |
Ramanathan Jagadeesan |
2015-10-20 |
$34,962,000 |
| 9088600 |
System and method for implementing a session initiation protocol feature |
Daniel Linton, Craig P. Miller, Pandit Panburana, Stephen Levy |
2015-07-21 |
$25,413,000 |
| 9065664 |
Providing an announcement for a multiparty communication session |
— |
2015-06-23 |
$20,620,000 |
| 8867529 |
System and method for providing a fate sharing identifier in a network environment |
— |
2014-10-21 |
$16,698,000 |
| 8694648 |
System and method for implementing a session initiation protocol feature |
Daniel Linton, Craig P. Miller, Pandit Panburana, Stephen Levy |
2014-04-08 |
$43,064,000 |
| 8687785 |
Authorization to place calls by remote users |
Vinod Katkam, Mukul Jain, Sanjeev Kumar, Labhesh Patel, Randall B. Baird +1 more |
2014-04-01 |
$40,096,000 |
| 8625771 |
Local route groups and transformation patterns |
Niels Brunsgaard |
2014-01-07 |
$20,883,000 |
| 8447026 |
Data driven configuration of call management applications |
— |
2013-05-21 |
$47,602,000 |
| 8442037 |
System and method for device registration replication in a communication network |
Clint D. Entrop |
2013-05-14 |
$31,926,000 |
| 8428244 |
Cross-call agent extension mobility with call admission control and emergency calling |
Edward Chen, Chunfeng Huang |
2013-04-23 |
$33,617,000 |
| 8358763 |
Camping on a conference or telephony port |
Labhesh Patel, Sanjeev Kumar, Mukul Jain, Joseph F. Khouri |
2013-01-22 |
$44,540,000 |
| 8306210 |
Local route groups and transformation patterns |
Niels Brunsgaard |
2012-11-06 |
$33,745,000 |
| 8180334 |
System and method for leveraging a caller ID to provide a reverse signaling pathway in a network environment |
Ramanathan Jagadeesan, Bich Nguyen, Andrew C. Chung |
2012-05-15 |
$30,163,000 |
| 8116769 |
Anchoring a communication session in a multiple mode system |
Steven R. Donovan, Bich Nguyen, Mark Grayson, Ramanathan Jagadeesan, Andrew C. Chung |
2012-02-14 |
$25,137,000 |
| 8085925 |
Data driven configuration of call management applications |
— |
2011-12-27 |
$23,946,000 |
| 8036368 |
Local route groups and transformation patterns |
Niels Brunsgaard |
2011-10-11 |
$21,341,000 |