Issued Patents All Time
Showing 51–75 of 118 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8923279 | Prevention of voice over IP spam | Cullen Jennings | 2014-12-30 |
| 8917307 | Video calling | — | 2014-12-23 |
| 8891521 | Triggering bandwidth reservation and priority remarking | Daniel G. Wing, Bruce Davie, John K. Restrick, Jr. | 2014-11-18 |
| 8856860 | System and method for implementing policy server based application interaction manager | Mark Grayson | 2014-10-07 |
| 8782178 | Distributed bootstrapping mechanism for peer-to-peer networks | — | 2014-07-15 |
| 8719895 | Determining a policy output for a communication session | Flemming S. Andreasen, Biswaranjan Panda | 2014-05-06 |
| 8675642 | Using PSTN reachability to verify VoIP call routing information | Cullen Jennings, Daniel G. Wing | 2014-03-18 |
| 8654760 | System and method for providing telephony services | Flemming S. Andreasen | 2014-02-18 |
| 8644253 | Picocell system with local voice media support | Mark Grayson, Eric Hamel | 2014-02-04 |
| 8611893 | System and method for roaming between networks | James Beall | 2013-12-17 |
| 8582469 | Peer-to-peer network including routing protocol enhancement | — | 2013-11-12 |
| 8533339 | Discovering security devices located on a call path and extending bindings at those discovered security devices | Daniel G. Wing, Cullen Jennings | 2013-09-10 |
| 8477916 | Authorizing access between communication networks | Andres Kutt | 2013-07-02 |
| 8438613 | Establishing facets of a policy for a communication session | Flemming S. Andreasen, Timothy Peter Stammers | 2013-05-07 |
| 8432896 | System and method for optimizing communications between session border controllers and endpoints in a network environment | William R. Foster | 2013-04-30 |
| 8422495 | Triggering bandwidth reservation and priority remarking | Daniel G. Wing, Bruce Davie, John K. Restrick, Jr. | 2013-04-16 |
| 8315247 | System and method for providing registration-coupled subscriptions in a session initiation protocol (SIP) environment | — | 2012-11-20 |
| 8311218 | Rounding for security | Hakim N. Mehmood, Mark L. Hendrickson, Cullen Jennings | 2012-11-13 |
| 8306016 | Signaling method for Internet telephony | Henning Schulzrinne | 2012-11-06 |
| 8301880 | Certificate enrollment with purchase to limit sybil attacks in peer-to-peer network | Cullen Jennings, Radha Venkatesh | 2012-10-30 |
| 8295242 | System and method for exchanging policy information in a roaming communications environment | Flemming S. Andreasen | 2012-10-23 |
| 8274968 | Restriction of communication in VoIP address discovery system | Cullen Jennings | 2012-09-25 |
| 8233401 | Using an IP registration to automate SIP registration | Flemming S. Andreasen, Jayaraman Iyer, Timothy Peter Stammers | 2012-07-31 |
| 8228902 | Separation of validation services in VoIP address discovery system | Hakim N. Mehmood, Mark L. Hendrickson, Cullen Jennings | 2012-07-24 |
| 8228903 | Integration of VoIP address discovery with PBXs | John K. Restrick, Jr., Cullen Jennings, Hakim N. Mehmood, Mark L. Hendrickson, John D. Alexander | 2012-07-24 |