ECMA 178 : 3ED 2001
Current
The latest, up-to-date edition.
PRIVATE INTEGRATED SERVICES NETWORK (PISN) - INTER-EXCHANGE SIGNALLING PROTOCOL - CALL TRANSFER SUPPLEMENTARY SERVICE (QSIG-CT)
01-12-2013
1 Scope
2 Conformance
3 References (normative)
4 Definitions
4.1 External definitions
4.2 Other definitions
4.2.1 End PINX
4.2.2 Primary PINX
4.2.3 Redirection number
4.2.4 Secondary PINX
4.2.5 Transferring PINX
5 Acronyms
6 Signalling protocol for the support of SS-CT
6.1 SS-CT description
6.2 SS-CT operational requirements
6.2.1 Provision/Withdrawal
6.2.2 Requirements on a Transferring PINX
6.2.3 Requirements on a Primary PINX
6.2.4 Requirements on a Secondary PINX
6.2.5 Requirements on a Transit PINX
6.3 SS-CT coding requirements
6.3.1 Operations
6.3.2 Information elements
6.3.3 Messages
6.4 SS-CT state definitions
6.4.1 States at a Transferring PINX
6.4.2 States at a Primary PINX
6.4.3 States at a Secondary PINX
6.5 SS-CT signalling procedures
6.5.1 Actions at a Transferring PINX
6.5.2 Actions at a Primary PINX
6.5.3 Actions at a Secondary PINX
6.5.4 Actions at a Transit PINX
6.5.5 Subsequent actions at a Primary and a Secondary
PINX
6.6 SS-CT impact of interworking with public ISDNs
6.6.1 Actions at a Gateway PINX
6.6.2 Actions at other types of PINX
6.7 SS-CT impact of interworking with non-ISDNs
6.7.1 Actions at a Gateway PINX
6.7.2 Actions at other types of PINX
6.8 Protocol Interactions between SS-CT and other
supplementary services and ANFs
6.8.1 Calling Name Identification Presentation (SS-CNIP)
6.8.2 Connected Name Identification Presentation
(SS-CONP)
6.8.3 Completion of Calls to Busy Subscribers (SS-CCBS)
6.8.4 Completion of Calls on No Reply (SS-CCNR)
6.8.5 Call Forwarding Unconditional (SS-CFU)
6.8.6 Call Forwarding Busy (SS-CFB)
6.8.7 Call Forwarding No Reply (SS-CFNR)
6.8.8 Call Deflection (SS-CD)
6.8.9 Path Replacement (ANF-PR)
6.9 SS-CT Parameter values (Timers)
6.9.1 Timer T1
6.9.2 Timer T2
6.9.3 Timer T3
6.9.4 Timer T4
Annex A - Protocol Implementation Conformance Statement
(PICS) proforma
Annex B - Imported ASN.1 definitions
Annex C - Examples of message sequences
Annex D - Specification and Description Language (SDL)
representation of procedures
Annex E - Bibliography
Annex F - ASN.1 definitions according to ITU-T Recs.
X.208/X.209
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