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Current Reaffirmation

CSA CAN/CSA-ISO/IEC 19460:04 (R2022)

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Single Step Call Transfer supplementary service (Adopted ISO/IEC 19460:2003, second edition, 2003-04-01)
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CSA CAN/CSA-ISO/IEC 19460:04 (R2022)

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Single Step Call Transfer supplementary service (Adopted ISO/IEC 19460:2003, second edition, 2003-04-01)

PUBLISH DATE 2004
CSA CAN/CSA-ISO/IEC 19460:04 (R2022)
Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Single Step Call Transfer supplementary service (Adopted ISO/IEC 19460:2003, second edition, 2003-04-01)
Scope

This International Standard specifies the signalling protocol for the support of the Single Step Call Transfer supplementary service (SS-SSCT) at the Q reference point between Private Integrated Network services eXchanges (PINXs) connected together within a Private Integrated Services Network (PISN). SS-SSCT is a supplementary service which enables a user, user A, to transform an existing call between user A and user B into a new call between user B and a user C whereby user A does not have a call established with user C prior to call transfer. The Q reference point is defined in ISO/IEC 11579-1. Service specifications are produced in three stages and according to the method specified in ETS 300 387. This International Standard contains the stage 3 specification for the Q reference point and satisfies the requirements identified by the stage 1 and stage 2 specifications in ISO/IEC 19459. The signalling protocol for SS-SSCT operates on top of the signalling protocol for basic circuit switched call control, as specified in ISO/IEC 11572, and uses certain aspects of the generic procedures for the control of supplementary services specified in ISO/IEC 11582. This International Standard also specifies additional signalling protocol requirements for the support of interactions at the Q reference point between Single Step Call Transfer and other supplementary services and ANFs. This International Standard is applicable to PINXs which can interconnect to form a PISN.

SDO CSA: Canadian Standards Association
Document Number
Publication Date Jan. 1, 2004
Language en - English
Page Count
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Jan. 1, 2004 CAN/CSA-ISO/IEC 19460:04 (R2022) Reaffirmation