Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040796 | Voice over IP system recovery apparatus for service and packet groups based on failure detection thresholds | — | 2011-10-18 |
| 7894454 | Special termination mobile announcement, for wireless VoIP customized ring back tone service | — | 2011-02-22 |
| 7136679 | Call category for a call that terminates at announcement server component | — | 2006-11-14 |