ANALYSIS REAGENTS. AMMONIUM ACETATE.

Die Norm herausgegeben am 15.10.1956

Private Telecommunication Network (PTN);Signalling at the S-reference point;Generic keypad protocol for the support of supplementary services (Endorsed by Asociación Espanola de Normalización in April of 2022.)

Die Norm herausgegeben am 1.4.2022

Private Telecommunication Network (PTN);Signalling at the S-reference point;Identification supplementary services (Endorsed by Asociación Espanola de Normalización in April of 2022.)

Die Norm herausgegeben am 1.4.2022

Private Telecommunication Network (PTN);Signalling protocol at the S-reference point;Circuit mode basic services (Endorsed by Asociación Espanola de Normalización in April of 2022.)

Änderung herausgegeben am 1.4.2022

Private Telecommunication Network (PTN);Signalling protocol at the S-reference point;Circuit mode basic services (Endorsed by Asociación Espanola de Normalización in April of 2022.)

Die Norm herausgegeben am 1.4.2022

Satellite Earth Stations and Systems (SES);The interconnection of Very Small Aperture Terminal (VSAT) systems to Packet Switched Public Data Networks (PSPDNs) (Endorsed by Asociación Espanola de Normalización in April of 2022.)

Die Norm herausgegeben am 1.4.2022

Integrated Services Digital Network (ISDN);Supplementary service interactions;Digital Subscriber Signalling System No. one (DSS1) protocol;Part 1: Protocol specification (Endorsed by Asociación Espanola de Normalización in April of 2022.)

Die Norm herausgegeben am 1.4.2022

Integrated Services Digital Network (ISDN); Supplementary service interactions; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification (Endorsed by AENOR in October of 2004.)

Die Norm herausgegeben am 1.10.2004

Integrated Services Digital Network (ISDN); Supplementary service interactions; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification (Endorsed by AENOR in February of 2004.)

Die Norm herausgegeben am 1.2.2004

Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Supplementary service interactions; Part 1: Protocol specification (Endorsed by AENOR in October of 2004.)

Die Norm herausgegeben am 1.10.2004