Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8929256 | Third party charging for SIP sessions | Yigang Cai, Tienyu Chiu, Eric Harold Henrikson, Bharat H. Patel | 2015-01-06 |
| 8289885 | Third party charging for SIP sessions | Yigang Cai, Tienyu Chiu, Eric Harold Henrikson, Bharat H. Patel | 2012-10-16 |
| 8126131 | Call blocking based on the network access type for the called party | Cynthia Florkey, Ruth Gayde, Victoria Halsell, Karla Hunter | 2012-02-28 |
| 7920523 | Method of supporting quality-of-service application session continuity during inter-technology handover using a common packet data function | Edward Grinshpun, Chung-Zin Liu, Harinath Rachapalli, Lily Zhu | 2011-04-05 |
| 7720474 | Method and apparatus for call delivery | Sudha Gouthama, Robin Jeffrey Thompson, Mark A. Ristich, Angelica T. Remoquillo, Suzann Hua | 2010-05-18 |
| 7130619 | Mobile-originated reconnection of dropped wireless calls | Cynthia Florkey, Ruth Gayde, Victoria Halsell, Karla Hunter | 2006-10-31 |
| 7107054 | Reconnection of wireless calls to mobile units in border cells | Cynthia Florkey, Ruth Gayde, Victoria Halsell, Karla Hunter | 2006-09-12 |
| 5623534 | Method and apparatus for exchanging administrative information between local area networks | Bhupesh J. Desai, Albert J. Sawyer, James J. Sowa | 1997-04-22 |