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Edition 1999-10-30

INTEGRATED SERVICES DIGITAL NETWORK (ISDN). BASIC USER-NETWORK INTERFACE. LAYER 1 SPECIFICATION AND TEST PRINCIPLES.
Edition 1999-10-30

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Edition 1998-12-30

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]
Edition 2000-07-01

INTEGRATED SERVICES DIGITAL NETWORK (ISDN); USER-NETWORK INTERFACE LAYER 3. SPECIFICATIONS FOR BASIC CALL CONTROL. SPECIFICATION DESCRIPTION LANGUAGE (SDL) DIAGRAMS.
Edition 1999-11-24

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.
Edition 2000-01-31

Broadband Integrated Services Digital Network (B-ISDN) - Cell based user network access for 155 520 kbit/s and 622 080 kbit/s - Physical layer interfaces for B-ISDN applications
Edition 2000-09-01

Earth potential rise - Protection of telecommunications network users, personnel and plant Code of practice
Edition 2006

Earth potential rise - Protection of telecommunications network users, personnel and plant Application guide
Edition 2006

Earth potential rise - Protection of telecommunications network users, personnel and plant - Worked examples for the application guide
Edition 2006