Method of communicating between a vehicle and a telematics subscription service
US8938230B2 · kind B2 · utility
4Cited by
0References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2012 |
| Grant date | Jan 20, 2015 |
| Priority date | — |
| Expiry date | Sep 4, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/44
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of communicating between a vehicle and a telematics subscription service includes wirelessly linking a vehicle telematics unit to a session initiation protocol (SIP) proxy server; placing a telephone call from the vehicle telematics unit that is received by the SIP proxy server via the wireless link; establishing a SIP connection between the vehicle telematics unit and a telematics subscription service using the SIP proxy server in response to the placed telephone call; and communicating packetized data between the vehicle telematics unit and the telematics subscription service via the SIP connection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.