Method and system for group call service
US6963543B2 · kind B2 · utility
89Cited by
12References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2001 |
| Grant date | Nov 8, 2005 |
| Priority date | — |
| Expiry date | Sep 13, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/10
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and system for group call services in a CDMA radio access network over a GSM-MAP or ANSI-41 core network are presented. The method and system provide for call setup, call notification, and call termination in the air interface of the CDMA radio access network. The necessary modification to the traffic and signaling channels for the CDMA radio network as well as new call flow messages are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.