Issued Patents All Time
Showing 76–100 of 102 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8032589 | Methods and systems for resuming, transferring or copying a multimedia session | — | 2011-10-04 |
| 7817630 | Method, communications node, and memory for dynamic dictionary updating and optimization for compression and decompression of messages | — | 2010-10-19 |
| 7716310 | Method and Internet Protocol Television (IPTV) content manager server for IPTV servicing | — | 2010-05-11 |
| 7551585 | Seamless handoff for multimedia services | Lila Madour | 2009-06-23 |
| 7546376 | Media binding to coordinate quality of service requirements for media flows in a multimedia session with IP bearer resources | Ina Widegren, Johnson Oyama, Brian Williams, Sorin Surdila | 2009-06-09 |
| 7120156 | Policy information transfer in 3GPP networks | Sorin Surdila | 2006-10-10 |
| 6963583 | Generic call server and method of converting signaling protocols | — | 2005-11-08 |
| 6917612 | System and method for address resolution in internet protocol (IP)-based networks | Sorin Surdila | 2005-07-12 |
| 6839323 | Method of monitoring calls in an internet protocol (IP)-based network | — | 2005-01-04 |
| 6795444 | System and method for providing wireless telephony over a packet-switched network | Kim Phuc Vo, Hung Tran, Jean-Francois Bertrand, Bartosz Balazinski, Francis Lupien +2 more | 2004-09-21 |
| 6785246 | Multi-party conferencing method | — | 2004-08-31 |
| 6751204 | Call routing method for 3G.IP networks | Sorin Surdila | 2004-06-15 |
| 6654606 | Call state control function (CSCF) call processing | Sorin Surdila | 2003-11-25 |
| 6546247 | Home location server and call processing method in a hybrid second/third generation radio telecommunications network | Sorin Surdila | 2003-04-08 |
| 6138006 | System and method of delivering collect calls in a radio telecommunications network | — | 2000-10-24 |
| 6067454 | Mobile switching center restart recovery procedure | — | 2000-05-23 |
| 5974309 | Method and apparatus for facilitating law enforcement agency monitoring of cellular telephone calls | — | 1999-10-26 |
| 5970404 | System and method of detecting and preventing fraudulent telephone calls in a radio telecommunications network | — | 1999-10-19 |
| 5960338 | System and method of detecting and preventing fraudulent long distance telephone calls in a radio telecommunications network | — | 1999-09-28 |
| 5913165 | Method for changing subscriber service features in a radio telecommunications network | — | 1999-06-15 |
| 5903831 | System and method of preventing fraudulent call transfers in a radio telecommunications network | — | 1999-05-11 |
| 5878348 | System and method for implementing multiple home location registers for a single mobile station in a cellular telecommunications network | — | 1999-03-02 |
| 5839064 | System and method of dynamic allocation of redundant peripheral equipment gateways in a radio telecommunications network | — | 1998-11-17 |
| 5784442 | System and method for real-time billing in a radio telecommunications network | — | 1998-07-21 |
| 5758279 | System and method of rapid voice mail access in a radio telecommunications network | — | 1998-05-26 |