System and method for initiating push-to-talk sessions between outside services and user equipment
US7499720B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 16, 2006 |
| Grant date | Mar 3, 2009 |
| Priority date | — |
| Expiry date | Feb 28, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/45
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods of establishing a push-to-talk (PTT) session between a user equipment that is part of a push-to-talk over cellular (PoC) system and an outside service are presented including: subscribing to an outside service by the user equipment; for a user initiated request, sending a request to establish the PTT session with the outside service by the user equipment to a service capability server (SCS), the SCS configured to communicate with the outside service; for an outside service initiated request, sending a request to establish the PTT session with the user equipment by the outside service to the SCS the SCS further configured to communicate with the user equipment; sending an invitation to initiate the PTT session between the user equipment and the outside service by the SCS to the PoC system; and establishing the PTT session between the user equipment and the outside service by the PoC system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.