Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10212288 | Method for converging telephone number and IP address | — | 2019-02-19 |
| 7133518 | Methods and apparatus for accomplishing call-state synchronization and event notification between multiple private branch exchanges involved in a multiparty call | Vyacheslav Zhakov, Vyacheslav Sayko | 2006-11-07 |