UNE - Spanish national standards

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.)

Available languages: Spanish

Available design: Print design

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

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

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.)

Available languages: Spanish

Available design: Print design

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

Available languages: Spanish

Available design: Print design

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

Available languages: Spanish

Available design: Print design

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

Available languages: Spanish

Available design: Print design

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.)

Available languages: Spanish

Available design: Print design

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.)

Available languages: Spanish

Available design: Print design

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.)

Available languages: Spanish

Available design: Print design

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

Available languages: English, Spanish

Available design: electronic design (pdf), Print design