This European Telecommunication Standard (ETS) defines: a) 1.1 an identification plan for mobile subscribers in the GSM system; principles of assigning telephone and ISDN numbers to MSs in the country of registration of the MS; principles of assigning Mobile Station (MS) roaming numbers to visiting MSs; an identification plan for location areas and base stations in the GSM system; an identification plan for MSCs and location registers in the GSM system; principles of assigning international mobile equipment identities; principles of assigning zones for regional subscription; an identification plan for groups of subscribers to the Voice Group Call Service (VGCS) and to the Voice Broadcast Service (VBS); and identification plan for voice group calls and voice broadcast calls; an identification plan for group call areas.
PUBLISHED
SSH ETS 300 927:1997 ed.1
60.60
Standard published
9 korr 2025