ISO/IEC 17309:2000

Status : Published (Under review)

This standard was last reviewed and confirmed in 2011. Therefore this version remains current.

	Format	Language
std 1 63	Paper

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The electronic version of this International Standard can be downloaded from the ISO/IEC Information Technology Task Force (ITTF) web site

Abstract

This International Standard specifies the mapping functions for a pair of on-demand inter-PINX connections using a circuit

mode basic service and the supplementary service User-to-User Signalling (service 3) of a public ISDN at the same time.

In order to connect a Private Integrated Services Network Exchange (PINX) to another PINX, mapping functions are required

to adapt the specific interfaces at the C reference point to the application at the Q reference point. As such, mapping functions

provide for physical adaptation to the interface at the C reference point. Mapping functions also provide for the mapping of

user channels and signalling information at the Q reference point to the appropriate channels or timeslots at the C reference

point.

The C and Q reference points are defined in ISO/IEC 11579-1.

At the Q reference point the mappings provide a 64 kbit/s service for user channels and a packet mode service for the

signalling channel. Bearer conditioning is outside the scope of this International Standard, except for providing the layer 2 for

the signalling channel at the Q reference point.

Scenario management is outside the scope of this International Standard.

This International Standard is applicable to PINXs which can be interconnected to form a Private Integrated Services Network

(PISN) and which support signalling protocols at the Q reference point.

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This standard contributes to the following Sustainable Development Goal

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