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Managing user equipment roaming status changes in a radio access network Grant 11,323,922 - Zetterlund , et al. May 3, 2 | 2022-05-03 |
Method and devices of notifying a first user equipment, UE, of a subscriber in a telecommunication network on a dialog status of a second UE of said same subscriber Grant 11,197,260 - Balla , et al. December 7, 2 | 2021-12-07 |
Managing User Equipment Roaming Status Changes In A Radio Access Network App 20210136633 - ZETTERLUND; Jerker ;   et al. | 2021-05-06 |
Guest user access in the IP multimedia subsystem IMS Grant 10,917,256 - Klein , et al. February 9, 2 | 2021-02-09 |
A Method and Devices of Notifying a First User Equipment, UE, of a Subscriber in a Telecommunication Network on a Dialog Status App 20200196267 - Balla; Laszlo ;   et al. | 2020-06-18 |
Method and apparatus relating to online charging in an IP multimedia subsystem Grant 10,575,146 - Anulf , et al. Feb | 2020-02-25 |
Guest User Access In The Ip Multimedia Subsystem Ims App 20190296927 - KLEIN; Mikael ;   et al. | 2019-09-26 |
Methods and apparatus for implementing a communication barring service Grant 10,291,663 - Kubik , et al. | 2019-05-14 |
Method and Apparatus Relating to Online Charging in an IP Multimedia Subsystem App 20190007808 - Anulf; Andreas ;   et al. | 2019-01-03 |
Method and apparatus relating to online charging in an IP multimedia subsystem Grant 10,080,115 - Anulf , et al. September 18, 2 | 2018-09-18 |
Methods and apparatus for implementing a conference call Grant 10,027,724 - Lindstrom , et al. July 17, 2 | 2018-07-17 |
Service domain selection service indicator Grant 9,504,086 - Hegarty , et al. November 22, 2 | 2016-11-22 |
End-to-end address transfer Grant 9,420,018 - Axell , et al. August 16, 2 | 2016-08-16 |
Methods and Apparatus for Implementing a Communication Barring Service App 20160149965 - Kubik; Michal ;   et al. | 2016-05-26 |
Method and apparatus for online charging in an IP multimedia subsystem Grant 9,338,631 - Anulf , et al. May 10, 2 | 2016-05-10 |
Methods and apparatus for implementing private branch exchange access to an IP multimedia subsystem Grant 9,232,521 - Ignjatovic , et al. January 5, 2 | 2016-01-05 |
Methods And Apparatus For Implementing A Conference Call App 20150172333 - Lindstrom; Michael ;   et al. | 2015-06-18 |
Ip Multimedia Subsystem Support For Private Branch Exchanges App 20150063345 - Hanstrom; Nils ;   et al. | 2015-03-05 |
Service Domain Selection Service Indicator App 20150043453 - Hegarty; Cormac ;   et al. | 2015-02-12 |
End-to-End Address Transfer App 20140098716 - AXELL; Jorgen ;   et al. | 2014-04-10 |
Methods And Apparatus For Implementing Private Branch Exchange Access To An Ip Multimedia Subsystem App 20130329705 - Ignjatovic; Dusan ;   et al. | 2013-12-12 |
End-to-end address transfer Grant 8,606,932 - Axell , et al. December 10, 2 | 2013-12-10 |
Method and Apparatus for Online Charging in an IP Multimedia Subsystem App 20130315106 - Anulf; Andreas ;   et al. | 2013-11-28 |
Method and Apparatus Relating to Online Charging in an IP Multimedia Subsystem App 20130301480 - Anulf; Andreas ;   et al. | 2013-11-14 |
Method for achieving a call-waiting functionality in a communication network Grant 8,472,352 - Anulf , et al. June 25, 2 | 2013-06-25 |
End-to-End Address Transfer App 20110314166 - Axell; Jorgen ;   et al. | 2011-12-22 |
Method for Achieving a Call-Waiting Functionality in a Communication Network App 20110122799 - Anulf; Andreas ;   et al. | 2011-05-26 |