Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7817783 | System and method for communicating text teletype (TTY) information in a communication network | — | 2010-10-19 |
| 7420963 | Method and apparatus for testing emergency response service in a telephony environment | Jagannathan Shiva Shankar, Muktevi Srinivas, Vipin Kamra, William D. Gaskill, Aruna K. Muvvala | 2008-09-02 |
| 7369530 | Apparatus and method for interfacing packet-based phone services with emergency call centers | — | 2008-05-06 |
| 7170976 | System and method for communicating text teletype (TTY) information in a communication network | — | 2007-01-30 |