Voice over internet protocol provision
US9480011B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2010 |
| Grant date | Oct 25, 2016 |
| Priority date | — |
| Expiry date | Dec 3, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/16
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and system for routing a voice connection over a cellular network to a mobile station is disclosed. The cellular network comprises a plurality of base stations, some of which have capability to provide the voice connection to the mobile station using Voice over Internet Protocol (VoIP). A voice connection for the mobile station is identified at an Application Server of the cellular network. A request message is sent from the Application Server to a Home Subscriber Server (HSS), or Home Location Register (HLR), of the cellular network. The request message requests an indication ds to whether the mobile station is being served by a base station having capability to provide a voice connection using VoIP.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.