Integrated Services Digital Network (ISDN) - Call Forwarding No Reply (CFNR) supplementary service - Service description (Endorsement of the English version EN 300201 V 1.2.1 (2001-05) as German standard).
€16.45
Integrated Services Digital Network (ISDN) - Call Forwarding Busy (CFB) supplementary service - Service description (Endorsement of the English version EN 300199 V 1.2.1 (2001-06) as German standard).
Telecommunications security - Integrated Services Digital Network (ISDN) - Confidentiality system for audiovisual services (Endorsement of the English version ETS 300840:1998 as German standard)
Telecommunications security - Integrated Services Digital Network (ISDN) - Encryption key management and authentication system for audiovisual services (Endorsement of the English version ETS 300841:1998 as German standard)
Terminal Equipment (TE) - Narrowband networks (PSTN or ISDN) - Access to interactive audio-visual retrieval services without data-facility; access for ISDN or PSTN videophony terminals to audio-visual databases (Endorsement of the English version ETS 300834:1998 as German standard)
Customer premises cabling for information technology - Part 1: ISDN basic access; German version EN 50098-1:1998.
€98.32
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Signalling network layer for circuit-mode basic call control - Part 3: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300403-3 V 1.2.2 (1998-04) as German standard)
Integrated Services Digital Network (ISDN); Multiple Subscriber Number (MSN) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsement of the English version EN 300052-4 V 1.2.4 (1998-06) as German standard)
Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsement of the English version EN 300058-4 V 1.2.4 (1998-06) as German standard)
Integrated Services Digital Network (ISDN); Calling Line Identification Presentation (CLIP) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification (Endorsement of the English version EN 300092-1 V 1.2.4 (1998-06) as German standard)
Integrated Services Digital Network (ISDN); Calling Line Identification Presentation (CLIP) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsement of the English version EN 300092-4 V 1.2.4 (1998-06) as German standard)
Integrated Services Digital Network (ISDN); Calling Line Identification Restriction (CLIR) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsement of the English version EN 300093-4 V 1.2.4 (1998-06) as German standard)
Integrated Services Digital Network (ISDN) - Security tools (SET) procedures; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification (Endorsement of the English version EN 301002 V 1.2.4 (1998-10) as German standard)
Integrated Services Digital Network (ISDN) - Security tools (SET) procedures; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301002 V 1.2.4 (1998-10) as German standard)
Integrated Services Digital Network (ISDN) - Completion of Calls on No Reply (CCNR) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version EN 301065-5 V 1.1.3 (1998-10) as German standard)
