Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9450983 | Controlling access to an operator network by non-conforming devices | Ye Huang, Yee Sin Chan | 2016-09-20 |
| 9325856 | Voice quality data piggybacking on SIP signaling messages | Priscilla Lau | 2016-04-26 |
| 9251315 | Security key management based on service packaging | William C. King, Bjorn Hjelm, Kent McCullough | 2016-02-02 |
| 9237431 | Method and apparatus for extended emergency service | Xiaomei Wang | 2016-01-12 |