Integration of IP multimedia subsystem and a push-to-talk interoperability infrastructure
US7983228B1 · kind B1 · utility
19Cited by
3References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 14, 2006 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | Dec 6, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W92/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention relates to converging a PTT Interoperability Infrastructure (PII) and an IP Multimedia Subsystem (IMS). In one embodiment, a common home subscriber server (HSS) and proxy call session control function (P-CSCF) are provided for both the PII and IMS. In another embodiment, a common registrar is used for both the PII and IMS. In still another embodiment, shared media element are provided for the PII and IMS. In yet another embodiment, session control element are shared between the PII and IMS.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.