Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9312983 | System and method for encoding telephone call data using varying codec algorithms | Jerry Chang | 2016-04-12 |
| 8238330 | System and method for transmitting a telephone call over the internet | Jerry Chang | 2012-08-07 |
| 8032808 | System architecture for internet telephone | Jerry Chang | 2011-10-04 |
| 7286562 | System and method for dynamically changing error algorithm redundancy levels | Jerry Chang | 2007-10-23 |
| 6453030 | System and method for roaming billing | Juanita Boutwell | 2002-09-17 |
| 6356545 | Internet telephone system with dynamically varying codec | Jerry Chang | 2002-03-12 |
| 6167060 | Dynamic forward error correction algorithm for internet telephone | Jerry Chang | 2000-12-26 |