Electronic Signatures and Infrastructures (ESI); Policy and Security Requirements for Trust Service Providers issuing Time-Stamps

Standard published on 1.9.2023

Electronic Signatures and Trust Infrastructures (ESI); Policy and Security Requirements for Trust Service Providers issuing Time-Stamps

Standard published on 1.12.2025

Electronic Signatures and Infrastructures (ESI); Time-stamping protocol and time-stamp token profiles

Standard published on 1.2.2017

Private Telecommunications Network (PTN). Inter-exchange signalling protocol. Circuit mode basic services

WITHDRAWN published on 1.5.1994

Private Telecommunications Network (PTN). Specification, functional models and information flows. Identification supplementary services

WITHDRAWN published on 1.5.1994

Private Telecommunications Network (PTN). Specification, functional models and information flows. Name identification supplementary service

WITHDRAWN published on 1.5.1994

Private Telecommunications Network (PTN). Inter-exchange signalling protocol. Name identification supplementary services

WITHDRAWN published on 1.5.1994

Private Telecommunications Network (PTN). Inter-exchange signalling protocol. Generic functional protocol for the support of supplementary services

WITHDRAWN published on 1.5.1994

Private Telecommunications Network (PTN). Specification, functional models and information flows. Diversion supplementary services

WITHDRAWN published on 1.7.1994

Private Telecommunications Network (PTN). Inter-exchange signalling protocol. Diversion supplementary services

WITHDRAWN published on 1.7.1994