The present document defines:
a) an identification plan for mobile subscribers in the GSM system;
b) principles of assigning telephone and ISDN numbers to mobile stations in the country of registration of the mobile station;
c) principles of assigning mobile station roaming numbers to visiting mobile stations;
d) an identification plan for location areas and base stations in the GSM system;
e) an identification plan for MSCs and location registers in the GSM system;
f) principles of assigning international mobile equipment identities;
g) principles of assigning zones for regional subscription.
The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. For a specific reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. A non-specific reference to an ETS shall also be taken to refer to later versions published as an EN with the same number.
[1] GSM 01.04 (ETR 100): "European digital cellular telecommunications system (Phase 2); Abbreviations and acronyms".
[2] GSM 03.08 (ETS 300 526): "European digital cellular telecommunications system (Phase 2); Organisation of subscriber data". [3] GSM 03.20 (ETS 300 534): "European digital cellular telecommunications system (Phase 2); Security related network functions". [4] GSM 03.70 (ETS 300 541): "European digital cellular telecommunications system (Phase 2); Routeing of calls to/from Public Data Networks (PDN)". [5] GSM 04.08 (ETS 300 557): "European digital cellular telecommunications system (Phase 2); Mobile radio interface layer 3 specification". [6] GSM 09.03 (ETS 300 600): "European digital cellular telecommunications system (Phase 2);
Signalling requirements on interworki (...abbreviated)