BUSINESS TELECOMMUNICATIONS (BTC). 64 KBIT/S DIGITAL UNRESTRICTED LEASed line with octet integrity (D64U). Terminal equipment interface.
€76.00
INTEGRATED SERVICES DIGITAL NETWORK (ISDN). TELEPHONY TERMINAL. PAYPHONES.
€69.00
INTEGRATED SERVICES DIGITAL NETWORK (ISDN). ATTACHMENT REQUIREMENTS FOR TERMINAL EQUIPMENT TO CONNECT TO AND ISDN USING ISDN BASIC ACCESS.
€290.00
INTEGRATED SERVICES DIGITAL NETWORK (ISDN). ATTACHMENT REQUIREMENTS FOR TERMINAL EQUIPMENT TO CONNECT TO AN ISDN USING ISDN BASIC ACCESS.
€81.00
INTEGRATED SERVICES DIGITAL NETWORK (ISDN). ATTACHMENT REQUIREMENTS FOR TERMINAL EQUIPMENT TO CONNECT TO AU ISDN USING ISDN PRIMARY RATE ACCESS.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN). ATTACHMENT REQUIREMENTS FOR TERMINAL EQUIPMENT TO CONNECT TO AN ISDN USING ISDN PRIMARY RATE ACCESS.
€61.00
INTEGRATED SERVICES DIGITAL NETWORKS (ISDN). TELEPHONY 3,1 KHZ TELESERVICE. ATTACHMENT REQUIREMENTS FOR HANDSET TERMINALS.
€98.00
INTEGRATED SERVICES DIGITAL NETWORK (ISDN). ATTACHMENT REQUIREMENTS FOR PACKET MODE TERMINAL EQUIPMENT TO CONNECT TO AN ISDN USING ISDN PRIMARY RATE ACCESS.
€135.00
INTEGRATED SERVICES DIGITAL NETWORKS (ISDN). TELEPHONY 3,1 KHZ TELESERvice. Attachment requirements for handset terminals.
€92.00
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.
€166.00
Integrated Services Digital Network (ISDN); Calling Line Identification Presentation (CLIP) supplementray service; Service description.
Integrated Services Digital Network (ISDN) - Signalling System No. 7; Interworking between ISDN User Part (ISUP) version 2 and Digital Subscriber Signalling System No. one (DSS1) - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version EN 300899-3 V 1.1.1 (2001-09) as German Standard).
€16.45
Integrated Services Digital Network (ISDN) - Signalling System No. 7; Interworking between ISDN User Part (ISUP) version 2 and Digital Subscriber Signalling System No. one (DSS1) - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification (Endorsement of the English version EN 300899-4 V 1.1.1 (2002-04) as German Standard).
Customer premises cabling for information technology - Part 1: ISDN basic access; Amendment A1; German version EN 50098-1:1998/prA1:2001
€41.78
Information Systems Interconnection. ISDN. Provision of OSI connection-mode transport service over the OSI connection-mode network service by using an ISDN circuit-mode 64 kbit/s unrestricted bearer service. Permanent case
€281.00
