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TS 24.529
TISPAN; PSTN/ISDN simulation services:
Explicit Communication Transfer (ECT);
Protocol specification

3GPP‑Page   ETSI‑search   ToC↓
V8.2.0 (PDF)  2012/12  27 p.
Rapporteur:
Mr. Leis, Peter

full Table of Contents for  TS 24.529  Word version:  8.2.0

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1  Scope  p. 6

2  References  p. 6

2.1  Normative references  p. 6

2.2  Informative references  p. 7

3  Definitions and abbreviations  p. 7

3.1  Definitions  p. 7

3.2  Abbreviations  p. 7

4  Explicit Communication Transfer (ECT)  p. 8

4.1  Introduction  p. 8

4.2  Description  p. 8

4.2.1  General description  p. 8

4.3  Operational requirements  p. 8

4.3.1  Provision/withdrawal  p. 8

4.3.2  Requirements on the transferor network side  p. 9

4.3.3  Requirements on the transferee network side  p. 9

4.3.4  Requirements on the transfer target network side  p. 9

4.4  Coding requirements  p. 9

4.5  Signalling requirements  p. 9

4.5.1  Activation/deactivation  p. 9

4.5.1A  Registration/erasure  p. 9

4.5.1B  Interrogation  p. 9

4.5.2  Invocation and operation  p. 9

4.5.2.1  Actions at the transferor UE  p. 9

4.5.2.2  Actions at the transferor P-CSCF  p. 10

4.5.2.3  Actions at the transferor S-CSCF  p. 10

4.5.2.4  Actions at the transferor AS  p. 10

4.5.2.4.1  Invocation of ECT service  p. 10
4.5.2.4.2  Subsequent procedures  p. 11

4.5.2.5  Actions at the transferee UE  p. 12

4.5.2.6  Actions at the transferee S-CSCF  p. 12

4.5.2.7  Actions at the transferee AS  p. 12

4.5.2.7.0  Prerequisite for invocation of the ECT service  p. 12
4.5.2.7.1  Determine whether the ECT applies  p. 12
4.5.2.7.2  Actions of ECT when invoked with a transfer request  p. 12
4.5.2.7.3  Actions of ECT when invoked again by the transferred communication  p. 12

4.5.2.8  Void

4.5.2.9  Actions at the incoming I-CSCF  p. 13

4.5.2.10  Actions at the outgoing IBCF  p. 13

4.5.2.11  Actions at the incoming IBCF  p. 13

4.5.2.12  Actions at the BGCF  p. 13

4.5.2.13  Actions at the MGCF  p. 13

4.5.2.14  Actions at the transfer target's S-CSCF  p. 13

4.5.2.15  Actions at the transfer target's AS  p. 13

4.5.2.16  Actions at the transfer target's P-CSCF  p. 13

4.5.2.17  Actions at the transfer target's UE  p. 13

4.6  Interaction with other services  p. 14

4.6.1  Communication HOLD (HOLD)  p. 14

4.6.2  Terminating Identification Presentation (TIP)  p. 14

4.6.3  Terminating Identification Restriction (TIR)  p. 14

4.6.4  Originating Identification Presentation (OIP)  p. 14

4.6.5  Originating Identification Restriction (OIR)  p. 14

4.6.6  CONFerence Calling (CONF)  p. 14

4.6.7  Communication DIVersion Services (CDIV)  p. 14

4.6.8  Malicious Communication IDentification (MCID)  p. 14

4.6.9  Anonymous Communication Rejection and Communication Barring (ACR/CB)  p. 15

4.6.10  Explicit Communication Transfer (ECT)  p. 15

4.6.10.1  Determine whether a previously transferred communication is transferred again  p. 15

4.6.10.2  Handling of transfer requests  p. 15

4.6.10.3  Actions when this ECT instance is invoked again by the transferred communication  p. 15

4.7  Interworking with other networks  p. 15

4.7.1  Interworking with PSTN/ISDN  p. 15

4.7.2  Interaction with PSTN/ISDN Emulation  p. 16

4.7.3  Interworking with external IP Network  p. 16

4.8  Parameter values (timers)  p. 16

4.9  Service configuration  p. 16

A  Signalling flows  p. 17

A.1  Blind transfer  p. 17

A.2  Consultative transfer  p. 19

B  Example of filter criteria  p. 21

B.1  Example of filter criteria for ECT  p. 21

C  Example charging model  p. 22

C.1  Example of B REFER's A to C  p. 22

C.2  Example of A REFER's B to C  p. 23

D  Bibliography  p. 24

$  Change history  p. 25

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