Method and system for group call service

Details Method and system for group call service Method and system for group call service

2005-11-08

2005-11-08

Lee, Andy (Department: 2663)

Multiplex communications

Special services

Conferencing

C370S335000, C455S517000

Reexamination Certificate

active

06963543

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.

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Technical Specification Group Core Network; Voice Group Call Service (VGCS)-Stage 2,European Telecommunications Standards Institute(ETSI), (3GPP TS 43.68 version 4.2.1).

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