Business TeleCommunications (BTC). Multiple 64 kbit/s digital unrestricted leased lines with octet integrity presented at a structured 2 048 kbit/s interface at either or both ends (D64M). Connection characteristics and network interface presentation

Die Norm herausgegeben am 19.4.2001

Access and Terminals (AT); Multiple 64 kbit/s digital unrestricted leased lines with octet integrity presented at a structured 2 048 kbit/s interface at either or both ends (D64M); Connection characteristics and network interface presentation (Endorsed by AENOR in May of 2004.)

Die Norm herausgegeben am 1.5.2004

Human Factors (HF); Telephone Prepayment Cards; Tactile Identifier (Endorsed by AENOR in December of 2005.)

Die Norm herausgegeben am 1.12.2005

ANALYSIS REAGENTS. AMONIUM CARBONATE.

Die Norm herausgegeben am 15.2.1960

Broadband Integrated Services Digital Network (B-ISDN);Digital Subscriber Signalling System No. two (DSS2) protocol;Closed User Group (CUG) supplementary service;Part 1: Protocol specification [ITU-T Recommendation Q.2955.1 (1996), modified] (Endorsed by Asociación Espanola de Normalización in January of 2023.)

Die Norm herausgegeben am 1.1.2023

Broadband Integrated Services Digital Network (B-ISDN);Digital Subscriber Signalling System No. two (DSS2) protocol;Closed User Group (CUG) supplementary service;Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsed by Asociación Espanola de Normalización in January of 2023.)

Die Norm herausgegeben am 1.1.2023

Broadband Integrated Services Digital Network (B-ISDN);Digital Subscriber Signalling System No. two (DSS2) protocol;B-ISDN user-network interface layer 3 specification for point-to-multipoint call/bearer control;Part 1: Protocol specification [ITU-T Recommendation Q.2971 (1995), modified] (Endorsed by Asociación Espanola de Normalización in January of 2023.)

Die Norm herausgegeben am 1.1.2023

Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for point-to-multipoint call/bearer control; Part 1: Protocol specification [ITU-T Recommendation Q.2971 (1995), modified] (Endorsed by AENOR in November of 2008.)

Die Norm herausgegeben am 1.11.2008

Broadband Integrated Services Digital Network (B-ISDN);Digital Subscriber Signalling System No. two (DSS2) protocol;B-ISDN user-network interface layer 3 specification for point-to-multipoint call/bearer control;Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsed by Asociación Espanola de Normalización in January of 2023.)

Die Norm herausgegeben am 1.1.2023

Broadband Integrated Services Digital Network (B-ISDN);Digital Subscriber Signalling System No. two (DSS2) protocol;B-ISDN user-network interface layer 3 specification for point-to-multipoint call/bearer control;Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsed by Asociación Espanola de Normalización in January of 2023.)

Die Norm herausgegeben am 1.1.2023