Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036360 | System and method for hook state notification | Surya B. Gogineni, Umesh P. Katapadi, Wayne Leung | 2011-10-11 |
| 8015305 | System and method for implementing a session initiation protocol feature | Craig P. Miller, Pandit Panburana, Stephen Levy, Christopher E. Pearce | 2011-09-06 |
| 7899175 | System and method for providing a dial plan conversion in a session initiation protocol (SIP) environment | Denise Caballero-McCann, William Michael Hudson, JR., Stephen Levy, Carleton M. Luck, Jr., Louis Pratt +1 more | 2011-03-01 |