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ETSI - European Telecommunication Standard Institute(ETSI) produces globally-applicable standards for information and telecommunication technologies (ICT) including land, mobile, radio, converged, broadcast and internet technologies.
Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); Service requirements on UPT numbering, addressing and identification
Standard published on 15.11.1995
Selected format:Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); Service aspects: Guidelines
Standard published on 15.11.1995
Selected format:Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); Service aspects of charging, billing and accounting
Standard published on 15.11.1995
Selected format:Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); Subscriptions, service profiles and information model
Standard published on 15.11.1995
Selected format:Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); User procedures and user states
Standard published on 15.11.1995
Selected format:Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); Man-machine interface
Standard published on 15.11.1995
Selected format:Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); Functional requirements for Dual Tone Multi-Frequency (DTMF) type UPT access devices
Standard published on 15.11.1995
Selected format:Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); Service requirements on security features
Standard published on 15.11.1995
Selected format:Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); Supplementary services
Standard published on 15.11.1995
Selected format:Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); Architecture and functionalities for interworking
Standard published on 15.10.1995
Selected format:Latest update: 2025-12-26 (Number of items: 2 253 153)
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