Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8055755 | Method for determining VoIP gateway performance and SLAs based upon path measurements | Robert G. Cole, Howard Lang | 2011-11-08 |
| 7298832 | Method for determining concurrent voice over IP calls | Howard Lang, Jaap Voets | 2007-11-20 |
| 6954520 | Method for determining concurrrent voice over IP calls | Howard Lang, Jaap Voets | 2005-10-11 |