Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8955090 | Session initiation protocol (SIP) firewall for IP multimedia subsystem (IMS) core | Ashwin V. Rana | 2015-02-10 |
| 8189570 | System and method for processing calls to VoIP devices using the called party's email address | — | 2012-05-29 |
| 7644165 | Method and apparatus for SIP messaging | Mauricio Cortes, Jairo O. Esteban | 2010-01-05 |
| 7486621 | Method and apparatus for load sharing and overload control for packet media gateways under control of a single media gateway controller | Marianne Picha, Xin Tao | 2009-02-03 |