Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8477923 | Mid-call hand-off between end user terminals | Stuart O. Goldman | 2013-07-02 |
| 8391460 | Mid-call hand-offs in telecommunication networks | Stuart O. Goldman | 2013-03-05 |
| 8379825 | System and method for establishing PSTN calls via an IP request | Stuart O. Goldman | 2013-02-19 |
| 7894406 | System for routing remote VoIP emergency calls | Stuart O. Goldman | 2011-02-22 |
| 7729339 | Audio watermarking for call identification in a telecommunications network | — | 2010-06-01 |
| 7623649 | MLPP telephone emulation | Stuart O. Goldman | 2009-11-24 |
| 7330465 | Auto-provisioning for a voice over IP gateway | David Peter Strand | 2008-02-12 |
| 7123286 | Presence detection for IP telephony | — | 2006-10-17 |