Modem and method for handing over IP multimedia subsystem sessions from a packet-switched network to a circuit-switched network
US9363715B2 · kind B2 · utility
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24Claims
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Key dates
| Filing date | Sep 12, 2013 |
| Grant date | Jun 7, 2016 |
| Priority date | — |
| Expiry date | Dec 28, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W36/00226
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A modem and a method for handing over Internet protocol (IP) multimedia subsystem (IMS) sessions from a packet-switched network to a circuit-switched network. One embodiment of the modem includes: (1) a physical layer through which IMS packets for a plurality of IMS sessions are transmittable and receivable, and (2) a control layer configured to gain access to respective IMS session data for the plurality of IMS sessions, the respective IMS session data originating from a host IMS application.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.