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WITHDRAWN published on 1.5.1994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WITHDRAWN published on 1.5.1994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WITHDRAWN published on 1.5.1994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WITHDRAWN published on 1.7.1994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WITHDRAWN published on 1.7.1994

Private Telecommunications Network (PTN). Specification, functional models and information flows. Path replacement additional network feature

WITHDRAWN published on 1.7.1994

Private Telecommunications Network (PTN). Inter-exchange signalling protocol. Path replacement additional network feature

WITHDRAWN published on 1.7.1994

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

WITHDRAWN published on 1.7.1994

Private Telecommunications Network (PTN). Inter-exchange signalling protocol. Call transfer supplementary service

WITHDRAWN published on 1.7.1994

Electronic Signatures and Infrastructures (ESI); Policy and security requirements for Electronic Registered Delivery Service Providers

Standard published on 1.8.2019