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

UNGÜLTIG herausgegeben am 1.5.1994

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

UNGÜLTIG herausgegeben am 1.5.1994

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

UNGÜLTIG herausgegeben am 1.5.1994

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

UNGÜLTIG herausgegeben am 1.5.1994

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

UNGÜLTIG herausgegeben am 1.5.1994

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

UNGÜLTIG herausgegeben am 1.7.1994

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

UNGÜLTIG herausgegeben am 1.7.1994

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

UNGÜLTIG herausgegeben am 1.7.1994

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

UNGÜLTIG herausgegeben am 1.7.1994

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

UNGÜLTIG herausgegeben am 1.7.1994