Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9276969 | Method and system for providing a setup timer in a SIP-based network | David E. Phelps, Tim D. Paiement, Peter E. Hanson | 2016-03-01 |
| 8639821 | Method and system for providing a setup timer in a sip-based network | Dave Phelps, Tim D. Paiement, Peter E. Hanson | 2014-01-28 |