Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6958994 | Call transfer using session initiation protocol (SIP) | Vyacheslav Sayko, Aleksandr V. Tikin | 2005-10-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6958994 | Call transfer using session initiation protocol (SIP) | Vyacheslav Sayko, Aleksandr V. Tikin | 2005-10-25 |