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TS 24.239 (CT1)
Flexible Alerting (FA) using IMS – Protocol specification

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(P) V14.0.0    2017/03    25 p.
(P) V13.0.0    2015/12    25 p.
(P) V12.0.0    2013/06    25 p.
(P) V11.0.0    2012/09    25 p.
(P) V10.0.0    2011/03    25 p.
(P) V9.0.0    2009/12    25 p.
(P) V8.2.0    2009/12    25 p.


Rapporteur:  Mr. Lauster, Reinhard
See also:  FA-related TS/TR    


This TS provides the protocol details for the Flexible Alerting supplementary service in the IP Multimedia (IM) Core Network (CN) subsystem based on the requirements from TS 22.173.

Flexible Alerting (FA) causes a call to a pilot identity to branch the call into several legs to alert several termination addresses (group members) simultaneously. The first leg to be answered is connected to the calling party. The other call legs are abandoned.

This TS is applicable to User Equipment (UE) and Application Servers (AS) which are intended to support the FA supplementary service.


 

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1   Scope   PDF-p. 6
2   References
3   Definitions and abbreviations
4   Flexible Alerting (FA)
4.1   Introduction
4.2   Description
4.3   Operational requirements   PDF-p. 8
4.4   Syntax requirements
4.5   Signalling procedures
4.6   Interaction with other services   PDF-p. 11      Up
4.7   Parameter values (timers)
4.8   Service configuration
A   Signalling flows   PDF-p. 15
B   Example of filter criteria   PDF-p. 22
C   Change history   PDF-p. 23

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