Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9509726 | Optimizing call bearer path using session initiation protocol proxy | Julie Sara Fowler | 2016-11-29 |
| 9288238 | Optimizing call bearer path using session initiation protocol proxy | Julie Sara Fowler | 2016-03-15 |
| 8831571 | Dynamic text communication administration | — | 2014-09-09 |
| 8068830 | Call handling scheme to reduce roaming charges | Steven Carlson | 2011-11-29 |
| 7627314 | Call handling scheme to reduce roaming charges | Steven Carlson | 2009-12-01 |
| 7386302 | Hotline routing of pre-activated GSM subscribers using pseudo-MSISDNs | Steven Carlson, Gregory Wong | 2008-06-10 |