Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9762741 | Robust DTMF detection in an unreliable voice-over-IP (VoIP) environment | Brian P. Davis | 2017-09-12 |
| 9596578 | Voicemail greeting fingerprint matching to differentiate between human and voicemail greetings | Brett Clark | 2017-03-14 |
| 9401998 | Robust DTMF detection in an unreliable voice-over-IP (VoIP) environment | Brian P. Davis | 2016-07-26 |