SRVCC handover indication for remote party to voice call
US9526037B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2014 |
| Grant date | Dec 20, 2016 |
| Priority date | — |
| Expiry date | May 17, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/22
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for providing indication of an SRVCC handover is disclosed. The method can include a first wireless communication device participating in a voice call with a second wireless communication device via a connection between the first wireless communication device and a first network. The method can further include the first wireless communication device determining a condition indicative of an impending SRVCC handover of the first wireless communication device from the first network to a legacy network. In response to the condition, the method can additionally include the first wireless communication device formatting a message including an indication that the first wireless communication device is going to perform the SRVCC handover and sending the message to the second wireless communication device prior to performance of the SRVCC handover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.