Patent | Date |
---|
Notifying changes in radio access technology Grant 10,757,143 - Tystad , et al. A | 2020-08-25 |
Service control awareness for call routing between packet switched telephony domain and circuit switched telephony domain Grant 10,749,911 - Hallenstal , et al. A | 2020-08-18 |
Notifying Changes In Radio Access Technology App 20190052679 - TYSTAD; Fredrik ;   et al. | 2019-02-14 |
Service Control Awareness For Call Routing Between Packet Switched Telephony Domain And Circuit Switched Telephony Domain App 20180227330 - HALLENST L; Magnus ;   et al. | 2018-08-09 |
Service control awareness for call routing between packet switched telephony domain and circuit switched telephony domain Grant 10,044,768 - Hallenstal , et al. August 7, 2 | 2018-08-07 |
Session initiation handling Grant 10,003,619 - Stille , et al. June 19, 2 | 2018-06-19 |
Changing IMS supplementary service data in an IMS network Grant 9,992,675 - Axell , et al. June 5, 2 | 2018-06-05 |
Synchronizing call states of network component and mobile device at session transfer Grant 9,900,805 - Wang , et al. February 20, 2 | 2018-02-20 |
Access transfer for a DRVCC mobile terminal Grant 9,867,090 - Hallenstal , et al. January 9, 2 | 2018-01-09 |
Maintaining optimal media routing Grant 9,712,425 - Holm , et al. July 18, 2 | 2017-07-18 |
Technique for transferring a session with changeable session state Grant 9,706,449 - Speks , et al. July 11, 2 | 2017-07-11 |
Changing Ims Supplementary Service Data In An Ims Network App 20170142580 - Axell; Jorgen ;   et al. | 2017-05-18 |
Home communication network determination Grant 9,544,756 - Hegarty , et al. January 10, 2 | 2017-01-10 |
Session Initiation Handling App 20160315977 - STILLE; Mats Ola ;   et al. | 2016-10-27 |
Handling communication sessions in a communications network Grant 9,369,291 - Holm , et al. June 14, 2 | 2016-06-14 |
Maintaining Optimal Media Routing App 20160156544 - Holm; Jan ;   et al. | 2016-06-02 |
Synchronizing Call States Of Network Component And Mobile Device At Session Transfer App 20150382251 - WANG; Chunbo ;   et al. | 2015-12-31 |
Technique For Transferring A Session With Changeable Session State App 20150382250 - SPEKS; Oliver ;   et al. | 2015-12-31 |
Service Control Awareness For Call Routing Between Packet Switched Telephony Domain And Circuit Switched Telephony Domain App 20150373058 - HALLENST L; Magnus ;   et al. | 2015-12-24 |
Method and apparatus for establishing a PoC session Grant 9,065,875 - Holm June 23, 2 | 2015-06-23 |
Method And A Proxy-call Session Control Function Node For Deregistration Of A User Equipment From An Internet Multimedia Subsystem App 20150120947 - Guo; Leon ;   et al. | 2015-04-30 |
Methods and apparatus for supporting the implementation of IMS service continuity Grant 8,908,597 - Sedlacek , et al. December 9, 2 | 2014-12-09 |
PoC server and a mobile terminal comprising a PoC client for providing PoC communication services Grant 8,903,445 - Dahl , et al. December 2, 2 | 2014-12-02 |
Home Communication Network Determination App 20140323125 - Hegarty; Cormac ;   et al. | 2014-10-30 |
Handling Communication Sessions In A Communications Network App 20140185490 - Holm; Jan ;   et al. | 2014-07-03 |
Access Transfer For A Drvcc Mobile Terminal App 20140133455 - Hallenstal; Magnus ;   et al. | 2014-05-15 |
Indicating transfer in an IMS network Grant 8,711,733 - Axell , et al. April 29, 2 | 2014-04-29 |
Multicast push to talk groups, apparatus, and methods Grant 8,447,340 - Synnergren , et al. May 21, 2 | 2013-05-21 |
Push to talk over cellular (POC) server capable of changing session priority settings when receiving authorized override message Grant 8,412,253 - Holm , et al. April 2, 2 | 2013-04-02 |
Apparatus and method providing push to talk over cellular (PoC) dynamic service options Grant 8,385,848 - Albertsson , et al. February 26, 2 | 2013-02-26 |
Packet switched to circuit switched access handovers in an IMS architecture Grant 8,374,173 - Sedlacek , et al. February 12, 2 | 2013-02-12 |
Methods and Apparatus for Supporting the Implementation of IMS Service Continuity App 20130028179 - Sedlacek; Ivo ;   et al. | 2013-01-31 |
Group call capability query Grant 8,295,207 - Stille , et al. October 23, 2 | 2012-10-23 |
Method and an arrangement for handling a service request in a multimedia network Grant 8,254,288 - Lindgren , et al. August 28, 2 | 2012-08-28 |
Indicating Transfer In An Ims Network App 20120213127 - Axell; Jorgen ;   et al. | 2012-08-23 |
APPARATUS AND METHOD PROVIDING PUSH TO TALK OVER CELLULAR (PoC) DYNAMIC SERVICE OPTIONS App 20120157087 - Albertsson; Henrik ;   et al. | 2012-06-21 |
Packet Switched To Circuit Switched Access Handovers In An IMS Architecture. App 20120120914 - Sedlacek; Ivo ;   et al. | 2012-05-17 |
Method and apparatus for handling invites to a multi-user communication session Grant 8,166,520 - Holm , et al. April 24, 2 | 2012-04-24 |
Methods and apparatus for push to talk type service Grant 8,150,334 - Albertsson , et al. April 3, 2 | 2012-04-03 |
Session control in SIP-based media services Grant 8,134,989 - Holm , et al. March 13, 2 | 2012-03-13 |
Apparatus and method providing push to talk over cellular (PoC) dynamic service options Grant 8,036,608 - Holm October 11, 2 | 2011-10-11 |
Method and Apparatus for Establishing a POC Session App 20110231558 - Holm; Jan | 2011-09-22 |
Methods and apparatus for push to talk type service Grant 8,000,732 - Albertsson , et al. August 16, 2 | 2011-08-16 |
Methods and apparatus for push to talk type service Grant 7,991,417 - Albertsson , et al. August 2, 2 | 2011-08-02 |
Private Communication in a Push to Talk Over Cellular Network App 20110092172 - Stille; Mats Ola ;   et al. | 2011-04-21 |
Poc Server And A Mobile Terminal Comprising A Poc Client For Providing Poc Communication Services App 20110034202 - Dahl; Jan ;   et al. | 2011-02-10 |
Push To Talk Over Cellular (poc) Server Capable Of Changing Session Priority Settings When Receiving Authorized Override Message App 20110034203 - Holm; Jan ;   et al. | 2011-02-10 |
Method and Apparatus for Use in a Communications Network App 20100185757 - Boberg; Christer ;   et al. | 2010-07-22 |
Method And Apparatus For Use In A Communications Network App 20100142372 - Boberg; Christer ;   et al. | 2010-06-10 |
Session Control In Sip-Based Media Services App 20100142411 - Holm; Jan ;   et al. | 2010-06-10 |
Method and an Arrangement for Handling a Service Request in a Multimedia Network App 20100111087 - Lindgren; Anders ;   et al. | 2010-05-06 |
Answer modes in push-to-talk mobile communication services Grant 7,672,684 - Holm March 2, 2 | 2010-03-02 |
Methods and Apparatus for Push to Talk Type Service App 20090215483 - Albertsson; Henrik ;   et al. | 2009-08-27 |
Transfer of Part of a Push to Talk Session App 20090017856 - Albertsson; Henrik ;   et al. | 2009-01-15 |
Methods and Apparatus for Push to Talk Type Service App 20080320083 - Albertsson; Henrik ;   et al. | 2008-12-25 |
Methods and Apparatus for Push to Talk Type Service App 20080287154 - Albertsson; Henrik ;   et al. | 2008-11-20 |
Group Call Capability Query App 20080279119 - Stille; Mats Ola ;   et al. | 2008-11-13 |
Multicast Push To Talk Groups, Apparatus, And Methods App 20080247373 - SYNNERGREN; Per ;   et al. | 2008-10-09 |
Answer Modes In Push-To-Talk Mobile Communication Services App 20080248826 - Holm; Jan | 2008-10-09 |
Media Sharing App 20080235322 - Holm; Jan ;   et al. | 2008-09-25 |
Method and Apparatus for Handling Invites to a Multi-User Communication Session App 20080229390 - Holm; Jan ;   et al. | 2008-09-18 |
Apparatus and Method Providing Push to Talk Over Cellular (Poc) Dynamic Service Options App 20070281681 - Holm; Jan | 2007-12-06 |
Arrangement in connection with supplementary services provided by different vendors Grant 6,888,928 - Nilsen , et al. May 3, 2 | 2005-05-03 |
Use of gamma-interferon for the treatment of vascular stenosis Grant 5,208,019 - Hansson , et al. May 4, 1 | 1993-05-04 |