Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9184978 | Operating and supporting dual mode user equipment | Joerg Christian Ewert, Ralf Keller, Martin Stumpert | 2015-11-10 |
| 9155113 | Terminating notification message for terminals in a target network area | — | 2015-10-06 |
| 9100408 | Method for registering multi-contact devices | Ralf Keller, Arne Pehrsson, Stephen Terrill | 2015-08-04 |
| 9088881 | Circuit-switched services over SAE/LTE networks | Jari Vikberg, Magnus Hallenstål, Magnus Olsson, Gunnar Mildh | 2015-07-21 |
| 8989151 | Short messaging service over 3GPP long term evolution | Joerg Christian Ewert, Ralf Keller | 2015-03-24 |
| 8958389 | Circuit-switched services over SAE/LTE networks | Jari Vikberg, Magnus Hallenstål, Magnus Olsson, Gunnar Mildh | 2015-02-17 |
| 8855105 | Call handling for IMS registered user | Ralf Keller | 2014-10-07 |
| 8774166 | Method of providing value added service in a packet switched telecommunications network and a service interface adapter for use in such method | Karl-Peter Ranke | 2014-07-08 |
| 8743868 | Method, devices and system of IMS services session control via USSD | Ralf Keller | 2014-06-03 |
| 8649777 | Presence service time zone information | Joerg Christian Ewert | 2014-02-11 |
| 8634326 | Method and node for the control of a connection in a communication network | Karl Hellwig, Dirk Kampmann | 2014-01-21 |
| 8619675 | Technique for emergency session handling in a communication network | Ralf Keller | 2013-12-31 |
| 8595018 | Technique for controlling codec selection along a complex call path | Dirk Kampmann, Karl Hellwig | 2013-11-26 |
| 8542672 | Call handling for IMS registered user | Ralf Keller | 2013-09-24 |
| 8537748 | Technique for performing GSM/WCDMA circuit switched services over a long term evolution radio access | Magnus Hallenstål, Arne Pehrsson, Göran Rune, Jari Vikberg | 2013-09-17 |
| 8532091 | Method and apparatus for providing IMS services to circuit-switched controlled terminals | Ralf Keller | 2013-09-10 |
| 8502855 | Codec negotiation | Michael Lindström, Jan Erik Lindquist | 2013-08-06 |
| 8503992 | Service areas in CS domain services | Arne Pehrsson, Magnus Hallenstål, Göran Rune, Jari Vikberg | 2013-08-06 |
| 8457116 | Mobile technology | Karl-Peter Ranke, Michael Lindström, Jan Erik Lindquist | 2013-06-04 |
| 8441949 | Methods, apparatuses and computer program products for routing a call from a circuit switched domain to a unified service domain | Ralf Keller | 2013-05-14 |
| 8411641 | Methods for controlling access domain switching, network nodes, user terminal and computer program product therefor | Ralf Keller, George Foti, Rogier August Caspar Joseph Noldus | 2013-04-02 |
| 8374589 | Controlling supplementary subscriber services in overlayed IMS-based telecommunications network | Rogier August Caspar Joseph Noldus | 2013-02-12 |
| 8369267 | Technique for controlling establishment of a tandem-free transcoder operation | Karl Hellwig, Dirk Kampmann | 2013-02-05 |
| 8340713 | Method and devices for supporting message services to a dual mode mobile station via a session initiation protocol | Joerg Christian Ewert, Martin Stumpert, Ralf Keller | 2012-12-25 |
| 8326298 | Technique for service domain selection | Ralf Keller, Rogier August Caspar Joseph Noldus | 2012-12-04 |