Integrated Services Digital Network (ISDN);Support of CCITT Recommendation X.21, X.21 bis and X.20 bis based Data Terminal Equipments (DTEs) by an ISDN Synchronous and asynchronous terminal adaptation functions (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

INTEGRATED SERVICES DIGITAL NETWORK (ISDN). ATTACHMENT REQUIREMENTS FOR TERMINAL EQUIPMENT TO CONNECT TO AND ISDN USING ISDN BASIC ACCESS. LAYER 3 ASPECTS.

Die Norm herausgegeben am 16.7.1993

Integrated Services Digital Network (ISDN);Attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access Layer 3 aspects (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Änderung herausgegeben am 1.3.2022

Terminal Equipment (TE);International Videotex interworking (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

Terminal Equipment (TE);International Videotex interworking between a terminal and a host (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

Terminal Equipment (TE);International Videotex interworking between gateways (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

Integrated Services Digital Network (ISDN);Circuit-mode 64 kbit/s unrestricted 8 kHz structured bearer service category;Service description (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

Integrated Services Digital Network (ISDN);Circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for speech information transfer;Service description (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

Integrated Services Digital Network (ISDN);Circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for 3,1 kHz audio information transfer;Service description (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

INTEGRATED SERVICES DIGITAL NETWORK (ISDN); TELEPHONY 3,1 KHZ TELESERVICE. SERVICE DESCRIPTION.

Die Norm herausgegeben am 29.11.1999