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TR 09.90 (CT1)
Interworking between Phase 1 Infrastructure and Phase 2 Mobile Stations (MS)

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(P) GSM Rel-96 v5.1.0    2001/01    19 p.
(W-zip) GSM Phase-2 v4.9.0    1997/06    20 p.

Rapporteur:  HOWELL, Andrew
See also:  –

The Scope of this ETSI GTS is to clarify how interworking can be obtained between Phase 2 Mobile Stations (MS)s and Phase 1 infrastructure. The objective is to obtain this without changing the consolidated set of Phase 1 specifications. This GTS specifies the necessary amendments to the Phase 1 infrastructure so that an acceptable service is offered to MSs of Phase 2, guaranteeing that a Phase 2 MS obtains all Phase 1 services.

This GTS outlines the necessary changes as well as the necessary controls and clarifications with regard to Phase 1 implementation, which should be performed to the different interfaces in Phase 1 infrastructure before Phase 2 mobiles are offered service.


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1   Scope   PDF-p. 6
2   References
3   General
4   Service restrictions
5   Air interface   PDF-p. 8
5.1   Physical layer on the radio path
5.2   General behaviour of upgraded Phase 1 infrastructures
5.3   Specific behaviour of upgraded Phase 1 infrastructures   PDF-p. 9
6   A / Abis interface   PDF-p. 16
7   Supplementary Service handling
A   Change history   PDF-p. 18      Up

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