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AS/NZS 4340:1997

AS/NZS 4340:1997

$57.20

Information technology – Telecommunications and information exchange between systems – Private integrated services network – Inter-exchange signalling protocol – Call completion supplementary services

Published By Publication Date Number of Pages
AS 1997-06-05 78
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Specifies the signalling protocol for the support of the call completion supplementary service at the Q reference point between private integrated services network exchanges connected together within a private integrated services network. The Q reference point is defined in AS/NZS 4136.1:1995. It is one of a series of Standards applicable to private integrated services networking. This Standard is identical with, and has been reproduced from, ISO/IEC 13870:1995.

Scope

This International Standard specifies the signalling protocol for the support of the Call Completion supplementary services at the Q reference point between Private Integrated Network Exchanges (PINXs) connected together within a Private Integrated Services Network (PISN). The Call Completion supplementary services are Completion of Calls to Busy Subscribers (SS-CCBS) and Completion of Calls on No Reply (SS-CCNR).
SS-CCBS enables a calling User A, encounteringa busy destination User B, to have the call completed when User B becomes not busy, without having to make a new call attempt.
SS-CCNR enables a calling User A, encounteringa destination User B that, though alerted, does not answer, to have the call completed when User B becomes not busy again after a period of activity, without having to make a new call attempt.
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 CCITT Recommendation I.130. 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 13866.
The signalling protocols for SS-CCBS and SS-CCNR operate 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 proceduresfor 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 SS-CC and other supplementary services and ANFs.
This International Standard is applicable to PINXs which can interconnect to form a PISN.

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AS/NZS 4340:1997
$57.20