Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10356668 | Handling a terminating circuit switched signaling service to a terminal in a mobile network | Sven Gemski, Ralf Keller | 2019-07-16 |
| 10231278 | Technique for terminating call set up in a CSFB situation | Ralf Keller | 2019-03-12 |
| 9900805 | Synchronizing call states of network component and mobile device at session transfer | Chunbo Wang, Jan Holm, Oliver Speks | 2018-02-20 |
| 9813949 | Technique for terminating call set up in a CSFB situation | Ralf Keller, Fredrik Lindholm | 2017-11-07 |
| 9781762 | Technique for connection attempt handling in a circuit switched fallback situation | Ralf Keller, Joerg Christian Ewert | 2017-10-03 |
| 9706449 | Technique for transferring a session with changeable session state | Oliver Speks, Jan Holm, Chunbo Wang | 2017-07-11 |
| 9642113 | Paging procedure in a control node | Branko Djordjevic, Robert Schnell | 2017-05-02 |
| 9538574 | Technique for terminating call set up in a CSFB situation | Ralf Keller, Andreas Witzel | 2017-01-03 |
| 9374761 | Routing terminating call to user equipment via control nodes | Ralf Keller, Fredrik Alriksson, Fredrik Lindholm | 2016-06-21 |
| 9374702 | Technique for operating a network node during a mobile terminating roaming forwarding procedure | Ralf Keller | 2016-06-21 |
| 9332467 | SRVCC handover of calls between access networks with efficient media gateway selection | Ralf Keller, Fredrik Lindholm, Kari-Pekka Perttula | 2016-05-03 |
| 9161268 | Technique for connection attempt handling in a circuit switched fallback situation | Ralf Keller, Joerg Christian Ewert | 2015-10-13 |
| 8948127 | Method, apparatus and computer program for supporting a session identifier in case of a transfer between different radio access networks | Ralf Keller, Anders Nohlgren | 2015-02-03 |
| 8885603 | Handover of calls between access networks | Ralf Keller, Fredrik Lndholm | 2014-11-11 |
| 8774166 | Method of providing value added service in a packet switched telecommunications network and a service interface adapter for use in such method | Andreas Witzel | 2014-07-08 |
| 8666407 | Femtocell base station, method, computer program and computer program product | Jari Vikberg | 2014-03-04 |
| 8457110 | Technique for coordinating CS and PS registrations in a multi-operator core network | Sharokh Amirijoo, Martin Israelsson | 2013-06-04 |
| 8457116 | Mobile technology | Andreas Witzel, Michael Lindström, Jan Erik Lindquist | 2013-06-04 |
| 8452283 | Femtocell base station and method thereof | Jari Vikberg | 2013-05-28 |
| 8428597 | RAN node and method thereof | Jari Vikberg | 2013-04-23 |