Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10575309 | Providing a data function in an access gateway node | Wesley R. Erhart, Srinivas Eswara, Anthony D. Bennett, Eric C. Corum | 2020-02-25 |
| 10039109 | Providing a data function in an access gateway node | Wesley R. Erhart, Srinivas Eswara, Anthony D. Bennett, Eric C. Corum | 2018-07-31 |
| 9504043 | Providing a data function in an access gateway node | Wesley R. Erhart, Srinivas Eswara, Anthony D. Bennett, Eric C. Corum | 2016-11-22 |
| 9504044 | Providing a data function in an access gateway node | Wesley R. Erhart, Srinivas Eswara, Anthony D. Bennett, Eric C. Corum | 2016-11-22 |
| 9019891 | Providing a data function in an access gateway node | Wesley R. Erhart, Srinivas Eswara, Anthony D. Bennett, Eric C. Corum | 2015-04-28 |
| 8599752 | Providing a data function in an access gateway node | Wesley R. Erhart, Srinivas Eswara, Anthony D. Bennett, Eric C. Corum | 2013-12-03 |
| 8576700 | Geographic redundancy for call servers in a cellular system based on a bearer-independent core network | Paul Boudreaux, Stephen Kolski | 2013-11-05 |
| 8443087 | System for managing sessions and connections in a network | Ameel Kamboh, Lava Lavu | 2013-05-14 |
| 7995564 | Geographic redundancy for call servers in a cellular system based on a bearer-independent core network | Paul Boudreaux, Stephen Kolski | 2011-08-09 |
| 7869393 | Providing a data function in an access gateway node | Wesley R. Erhart, Srinivas Eswara, Anthony D. Bennett, Eric C. Corum | 2011-01-11 |
| 7773571 | Transfer of policy and charging rules during MIP handover | Saso Stojanovski | 2010-08-10 |
| 7660584 | Using an access point name to select an access gateway node | Jerry Mizell | 2010-02-09 |
| 7532568 | Geographic redundancy for call servers in a cellular system based on a bearer-independent core network | Paul Boudreaux, Stephen Kolski | 2009-05-12 |
| 6490451 | System and method for providing packet-switched telephony | Robert E. Denman, Don Jackson, Donald V. Hanley, Paul Boudreaux | 2002-12-03 |
| 6470181 | Method and apparatus for simultaneous text and audio for sponsored calls | — | 2002-10-22 |
| 6374110 | Interface between cellular and wired networks with enhanced subscriber mobility | Jerry Joe Parker, John O'Connell | 2002-04-16 |
| 6181927 | Sponsored call and cell service | James Brian Welling, Jr., Sima Chiniwala, Thanh Pham, Anatoly Vaserfirer | 2001-01-30 |
| 6175622 | Virtual private network for a telephone network | Sima Chiniwala, James Brian Welling, Jr., Thanh Pham, Anatoly Vaserfirer | 2001-01-16 |
| 6167271 | Interface between cellular and wired networks with enhanced subscriber mobility | Jerry Joe Parker, John O'Connell | 2000-12-26 |