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TS 09.12 ((tispan)
Application of ISDN User Part (ISUP) Version 2 for the ISDN - PLMN signalling interface; Part 1: Protocol specification

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(W-zip) GSM Phase-2 v4.2.2  1999/05  28 p.

Rapporteur:  HÄNDIG, Peter
See also:  –

This TS specifies the second version of the Integrated Services Digital Network (ISDN) - Global System for Mobile communications (GSM) Public Land Mobile Network (PLMN) signalling interface. This TS is applicable to the interconnection of PLMN and ISDN.

The ISUP interface defined is the trunk signalling interface between the PLMN and the ISDN. It is assumed that the interface between PLMN and ISDN can occur at any point in a national network, provided that the exchange in the national network has this ISDN-PLMN signalling interface.


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1  ScopeWord-p. 6
2  ReferencesWord-p. 7
3  Definitions and abbreviationsWord-p. 9
4  General principlesWord-p. 10
5  Exceptions and clarifications for basic callWord-p. 11
6  Exceptions and clarifications for supplementary servicesWord-p. 13
6.1  Considerations on ISDN supplementary servicesUp
6.2  Considerations on GSM unique supplementary services
7  Message Transfer Part (MTP) protocol requirements
A  Considerations on teleservicesWord-p. 17
B  Considerations on bearer servicesWord-p. 18

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