| 9806965 |
Automatic user redundancy determination |
James Douglas Free, Kenneth Owen Michie |
2017-10-31 |
| 9426021 |
Communication failover in a distributed network |
Harsh V. Mendiratta, Christopher D. Baldwin, Rickie E. Meis, Mark T. Rolfs |
2016-08-23 |
| 8938545 |
SIP transfer in a back-to-back user agent (B2BUA) environment |
Joel M. Ezell, Gordon R. Brunson, Harsh V. Mendiratta |
2015-01-20 |
| 8782240 |
Resource allocation using shared resource pools |
James Douglas Free, Kenneth Owen Michie |
2014-07-15 |
| 8718261 |
Efficient and cost-effective distributed call admission control |
James Douglas Free, Christopher D. Baldwin, Gordon R. Brunson |
2014-05-06 |
| 8423629 |
Network framework associating non-enterprise phone with enterprise users |
Gordon R. Brunson, Harsh V. Mendiratta |
2013-04-16 |
| 8311207 |
Efficient and cost-effective distribution call admission control |
Luigi Gentile Polese, Kurt Haserodt, Kenneth Owen Michie, Scott M Woods |
2012-11-13 |
| 8284927 |
Telephone using an external media device to provide on-hold information |
Christopher Chu, Brijen Doshi, Paul Roller Michaelis, D. Michael Overmyer, Michael J. Thomas +2 more |
2012-10-09 |
| 8179804 |
Internal/external network identifier |
Frank J. Boyle, Gordon R. Brunson |
2012-05-15 |
| 8032624 |
Pluggable contact resolution |
Gordon R. Brunson, Tibor Lukac |
2011-10-04 |
| 8010677 |
Alternative bandwidth management algorithm |
Gordon R. Brunson |
2011-08-30 |
| 7751536 |
Line appearance reservation for SIP endpoints |
Sandra R. Abramson, Frank J. Boyle, Ryan Scott Wallach, Peter Andrew Mataga |
2010-07-06 |
| 7408925 |
Originator based directing and origination call processing features for external devices |
Frank J. Boyle, Kurt Haserodt, Peter Andrew Mataga, Ryan Scott Wallach |
2008-08-05 |
| 7319692 |
Subscriber mobility in telephony systems |
Frank J. Boyle, David Chavez, Kurt Haserodt, Stephen M. Milton |
2008-01-15 |