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Technische Regel
ETR 221
Issue date: 1995 11
Universal Personal Telecommunication (UPT) - Phase 1 (restricted UPT service scenario) - Supplementary services
Withdrawn
: 2022 02 01
Publisher:
European Telecommunications Standards Institute
Format:
Paper | 16 Pages
Language:
English
ICS
Technische Regel
ETR 055-11
Issue date :
1993 07
Universal Personal Telecommunication (UPT) - The service concept - Part 11: Service requirements on protection of third parties
Technische Regel
ETR 055-11
Issue date :
1993 07
Universal Personal Telecommunication (UPT) - The service concept - Part 11: Service requirements on protection of third parties