Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7136373 | Interception call signaling method and apparatus between a gatekeeper and an intelligent peripheral in a voice frame network | — | 2006-11-14 |
| 7006487 | Voice frame network gatekeeper-to-intelligent peripheral interface method and apparatus | Andrew Gutman | 2006-02-28 |