Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10148820 | Call transfer using session initiation protocol (SIP) | Vyacheslav Zhakov, Vyacheslav Sayko | 2018-12-04 |
| RE46751 | Call transfer using session initiation protocol (SIP) | Vyacheslav Zhakov, Vyacheslav Sayko | 2018-03-06 |