Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8934612 | Customer-centric network-based conferencing | Herbert Willi Artur Ristock, Yevgeniy Petrovykh | 2015-01-13 |
| 8879708 | Service control point functionality implemented at communication endpoints | — | 2014-11-04 |
| 7133518 | Methods and apparatus for accomplishing call-state synchronization and event notification between multiple private branch exchanges involved in a multiparty call | Vyacheslav Sayko, Leonid Nikeyenkov | 2006-11-07 |
| 6958994 | Call transfer using session initiation protocol (SIP) | Vyacheslav Sayko, Aleksandr V. Tikin | 2005-10-25 |