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TS 24.610 (CT1)
Communication HOLD (HOLD) using IMS – Protocol specification

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V15.0.0 (Wzip)    2017/12    26 p.
V14.0.0 (PDF)    2017/03    27 p.
V13.1.0    2015/12    27 p.
V12.6.0    2014/12    27 p.
V11.3.0    2013/09    24 p.
V10.2.0    2013/09    24 p.
V9.3.0    2013/09    24 p.
V8.6.0    2013/09    24 p.

Rapporteur:  Dr. Axell, Jörgen
See also:  TS 24.410    

This TS specifies the stage three Protocol Description of the Communication Hold (HOLD) services, based on stages one and two of the ISDN Hold (HOLD) supplementary services. It provides the protocol details in the IP Multimedia (IM) Core Network (CN) subsystem based on the Session Initiation Protocol (SIP) and the Session Description Protocol (SDP).

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

for V15:    none


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1   Scope [R8]   PDF-p. 6
2   References [R8]
3   Definitions and abbreviations [R8]
4   Communication Hold (HOLD) [R8]   PDF-p. 7
4.1   Void
4.2   Description
4.3   Operational requirements
4.4   Coding requirements
4.5   Signalling requirements   PDF-p. 8
4.6   Interaction with other services
4.7   Interactions with other networks
4.8   Parameter values (timers)
A   Signalling Flows [R8]   PDF-p. 12
B   Example of filter criteria [R12]   PDF-p. 24
C   Change history   PDF-p. 25

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