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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.
Electronic Signatures and Infrastructures (ESI); Registered Electronic Mail (REM) Services; Part 3: Formats
Standard published on 15.4.2019
Selected format:Electronic Signatures and Infrastructures (ESI); Registered Electronic Mail (REM) Services; Part 3: Formats
Standard published on 9.1.2024
Selected format:Electronic Signatures and Infrastructures (ESI); Registered Electronic Mail (REM) Services; Part 4: Interoperability profiles
Standard published on 10.9.2018
Selected format:Electronic Signatures and Infrastructures (ESI); Registered Electronic Mail (REM) Services; Part 4: Interoperability profiles
Standard published on 9.5.2022
Selected format:Electronic Signatures and Infrastructures (ESI); Registered Electronic Mail (REM) Services; Part 4: Interoperability profiles
Standard published on 9.1.2024
Selected format:Intelligent Network (IN); Security requirements for global IN systems
Standard published on 15.11.1996
Selected format:Intelligent Network (IN); Global functional plane for IN Capability Set 1 (CS1)
Standard published on 15.12.1996
Selected format:Intelligent Network (IN); Vocabulary of terms and abbreviations for CS-1 and CS-2
Standard published on 15.11.1996
Selected format:Intelligent Network (IN); Service life cycle reference model for services supported by an IN
Standard published on 15.12.1996
Selected format:Universal Personal Telecommunication (UPT); Authentication algorithm for Phase 1; Requirements specification
Standard published on 15.12.1996
Selected format:Latest update: 2025-12-18 (Number of items: 2 252 678)
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