Electronic device and method for providing call services for the same
US9998959B2 · kind B2 · utility
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19Claims
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Assignee
Inventors
Key dates
| Filing date | Mar 19, 2015 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Aug 19, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W36/14
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of providing call services for an electronic device is provided. The method may include receiving a call request from the user; determining whether the call request is a request for a call via an Internet Protocol (IP) Multimedia System (IMS) network; making, when it is determined that the call request is a request for a call via an IMS network, an attempt to set up the call via the IMS network; determining whether the attempt for the call setup via the IMS network is successful; and performing Circuit Switched Fallback (CSFB) when it is determined that the attempt for the call setup via the IMS network is unsuccessful.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.