Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10609153 | Using non-IMS connections in IMS sessions | — | 2020-03-31 |
| 9961148 | Using non-IMS connections in IMS sessions | — | 2018-05-01 |
| 9444900 | System and method for providing and managing a target list on behalf of a user agent client | Brian Edward Anthony McColgan, Gaelle Christine Martin-Cocher | 2016-09-13 |
| 9392028 | Apparatus and method for macro operation involving a plurality of session protocol transactions | Richard John George | 2016-07-12 |
| 9351109 | Method, device and system for enhancing location information | Gaelle Christine Martin-Cocher | 2016-05-24 |
| 9332476 | Method and apparatus to correct indoor positioning by utilizing Wi-Fi handovers | Alexandre Kouznetsov | 2016-05-03 |
| 9270707 | Method and system for enforcing proxy use within an enterprise communications system | Dalsu Lee | 2016-02-23 |
| 9197676 | System and method for reducing message signaling | Adrian Buckley, John Hendrik Lucas Bakker | 2015-11-24 |
| 9094438 | Using non-IMS connections in IMS sessions | — | 2015-07-28 |
| 8955089 | “Push” keep-alive mechanism for SIP user agents located behind NATS/firewalls | — | 2015-02-10 |
| 8862146 | Method, device and system for enhancing location information | Gaelle Christine Martin-Cocher | 2014-10-14 |
| 8725148 | System and method for handoff of session from VoIP interface to cellular interface of dual-mode device | Richard John George | 2014-05-13 |
| 8588174 | Dual-mode device and method for handover of session from VOIP interface to cellular interface | — | 2013-11-19 |
| 8504677 | System and method for managing registration of services for an electronic device | Richard John George, Jonathan Joshua Dearden | 2013-08-06 |
| 8452291 | System and method for alternating between in-band and out-of-band communication path | Dapeng Gao, Ximing Zeng, Abhinav Gupta | 2013-05-28 |
| 8423658 | Method and system to release internet protocol (IP) multimedia subsystem (IMS), session initiation protocol (SIP), IP-connectivity access network (IP-CAN) and radio access network (RAN) networking resources when IP television (IPTV) session is paused | — | 2013-04-16 |
| 8374643 | Systems and methods for facilitating push-to-talk (PTT) communications using SIP-based messaging | — | 2013-02-12 |
| 8359385 | System and method for managing registration of services for an electronic device | Richard John George, Jonathan Joshua Dearden | 2013-01-22 |
| 8260966 | System and method for detecting and processing stale messages | Haiyang Yin | 2012-09-04 |
| 8260905 | System and method for managing registration of services for an electronic device | Richard John George, Jonathan Joshua Dearden | 2012-09-04 |
| 8135866 | System and method for detecting and processing stale messages | Haiyang Yin | 2012-03-13 |
| 8078714 | System and method for managing registration of services for an electronic device | Richard John George, Jonathan Joshua Dearden | 2011-12-13 |