Integrated Services Digital Network (ISDN);Service requirements for telefax group 4 (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

Integrated Services Digital Network (ISDN);Application of the ISDN User Part (ISUP) of CCITT Signalling System No.7 for international ISDN interconnections (ISUP version 1) (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

Integrated Services Digital Network (ISDN);Application of the ISDN User Part (ISUP) of ITU-T Signalling System No. 7 (SS7) for international ISDN interconnections (ISUP version 1) Amendment 1: International Emergency Preference Scheme (IEPS) service [ITU-T Recommendation Q.767Amendment 1 (2002), modified] (Endorsed by Asociación Espanola de Normalización in July of 2021.)

Die Norm herausgegeben am 1.7.2021

Integrated Services Digital Network (ISDN);Generic keypad protocol for the support of supplementary services;Digital Subscriber Signalling System No. one (DSS1) protocol;Part 1: Protocol specification (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

Integrated Services Digital Network (ISDN); Generic keypad protocol for the support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification (Endorsed by AENOR in September of 2003.)

Die Norm herausgegeben am 1.9.2003

Integrated Services Digital Network (ISDN);Generic keypad protocol for the support of supplementary services;Digital Subscriber Signalling System No. one (DSS1) protocol;Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

Integrated Services Digital Network (ISDN); Generic keypad protocol for the support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsed by AENOR in September of 2003.)

Die Norm herausgegeben am 1.9.2003

Terminal Equipment (TE);Attachment requirements for Data Terminal Equipment (DTE) to connect to Packet Switched Public Data Networks (PSPDN) using CCITT Recommendation X.25 (1984) interface;Requirements applicable to DTEs subscribing to Link Access Procedure Balanced (LAPB) extended (modulo 128) operation (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

Terminal Equipment (TE);Attachment requirements for Data Terminal Equipment (DTE) to connect to Packet Switched Public Data Networks (PSPDN) using CCITT Recommendation X.25 (1984) interface;Requirements applicable to DTEs subscribing to Multilink operation (Endorsed by Asociación Espanola de Normalización in March of 2022.)

Die Norm herausgegeben am 1.3.2022

INTEGRATED SERVICES DIGITAL NETWORK (ISDN); USER-NETWORK INTERFACE DATA LINK LAYER SPECIFICATION. APPLICATION OF CCITT RECOMMENDATIONS Q.920/I.440 AND Q.921/I.441.

Die Norm herausgegeben am 31.1.2000