Integrated Services Digital Network (ISDN);Meet-Me Conference (MMC) supplementary service;Functional capabilities and information flows (Endorsed by Asociación Espanola de Normalización in April of 2022.)

Die Norm herausgegeben am 1.4.2022

Transmission and Multiplexing (TM); Physical and electrical characteristics of hierarchical digital interfaces for equipment using the 2 048 kbit/s based plesiochronous or synchronous digital hierarchies.

Die Norm herausgegeben am 28.1.2002

Transmission and Multiplexing (TM); Physical and electrical characteristics of hierarchical digital interfaces for equipment using the 2 048 kbit/s - based plesiochronous or synchronous digital hierarchies (Endorsed by AENOR in July of 2003.)

Die Norm herausgegeben am 1.7.2003

Transmission and Multiplexing (TM);Functional characteristics of 2 048 kbit/s interfaces (Endorsed by Asociación Espanola de Normalización in April of 2022.)

Die Norm herausgegeben am 1.4.2022

Transmission and Multiplexing (TM); Functional characteristics of 2 048 kbit/s interfaces (Endorsed by AENOR in July of 2003.)

Die Norm herausgegeben am 1.7.2003

Private Telecommunication Network (PTN);Specification, functional models and information flows;Control aspects of circuit mode basic services (Endorsed by Asociación Espanola de Normalización in April of 2022.)

Die Norm herausgegeben am 1.4.2022

Private Integrated Services Network (PISN); Specification, functional models and information flows; Control aspects of circuit-mode basic services [ISO/IEC 11574 (1994) modified] (Endorsed by AENOR in November of 2003.)

Die Norm herausgegeben am 1.11.2003

Private Integrated Services Network (PISN); Service description, functional capabilities and information flows; Circuit-mode 64 kbit/s bearer services [ISO/IEC 11574 (2000) modified] (Endorsed by Asociación Espanola de Normalización in June of 2020.)

Die Norm herausgegeben am 1.6.2020

Private Telecommunication Network (PTN);Inter-exchange signalling protocol;Circuit mode basic services (Endorsed by Asociación Espanola de Normalización in April of 2022.)

Die Norm herausgegeben am 1.4.2022

Private Telecommunication Network (PTN);Inter-exchange signalling protocol Circuit mode basic services (Endorsed by Asociación Espanola de Normalización in April of 2022.)

Die Norm herausgegeben am 1.4.2022