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Private Telecommunications Network (PTN). Specification, functional models and information flows. Path replacement additional network feature
WITHDRAWN published on 1.7.1994
Selected format:Private Telecommunications Network (PTN). Inter-exchange signalling protocol. Path replacement additional network feature
WITHDRAWN published on 1.7.1994
Selected format:Private Telecommunications Network (PTN). Specification, functional models and information flows. Call transfer supplementary service
WITHDRAWN published on 1.7.1994
Selected format:Private Telecommunications Network (PTN). Inter-exchange signalling protocol. Call transfer supplementary service
WITHDRAWN published on 1.7.1994
Selected format:Electronic Signatures and Infrastructures (ESI); Policy and security requirements for Electronic Registered Delivery Service Providers
Standard published on 1.8.2019
Selected format:Private Telecommunication Network (PTN). Specification, functional model and information flows. Call completion supplementary services
WITHDRAWN published on 1.12.1995
Selected format:Electronic Signatures and Infrastructures (ESI); Electronic Registered Delivery Services; Part 1: Framework and Architecture
Standard published on 1.5.2019
Selected format:Electronic Signatures and Infrastructures (ESI); Electronic Registered Delivery Services; Part 1: Framework and Architecture
Standard published on 1.6.2024
Selected format:Electronic Signatures and Infrastructures (ESI); Electronic Registered Delivery Services; Part 2: Semantic contents
Standard published on 1.5.2019
Selected format:Electronic Signatures and Infrastructures (ESI); Electronic Registered Delivery Services; Part 2: Semantic contents
Standard published on 1.6.2024
Selected format:Latest update: 2026-06-24 (Number of items: 2 284 377)
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