33.040.01

Telecommunication systems in general

33.040.20

Transmission systems

33.040.30

Switching and signalling systems

33.040.35

Telephone networks

33.040.40

Data communication networks

33.040.50

Lines, connections and circuits

33.040.60

Powerline telecommunications

33.040.99

Other equipment for telecommunication systems
BS EN IEC 62037-1:2025

BS EN IEC 62037-1:2025

Active Most Recent

Passive RF and microwave devices, intermodulation level measurement General requirements measuring methods

€193.00

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BS EN IEC 62037-3:2025

BS EN IEC 62037-3:2025

Active Most Recent

Passive RF and microwave devices, intermodulation level measurement Measurement of passive in coaxial connectors

€193.00

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BS EN IEC 62037-8:2025

BS EN IEC 62037-8:2025

Active Most Recent

Passive RF and microwave devices, intermodulation level measurement Measurement of passive generated by objects exposed to radiation

€193.00

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BS ISO/IEC 15992:1998

BS ISO/IEC 15992:1998

Withdrawn Most Recent

Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol. Call priority interruption and call priority interruption protection supplementary services

€316.00

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BS ISO/IEC 15991:1998

BS ISO/IEC 15991:1998

Withdrawn Most Recent

Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Call priority interruption and call priority interruption protection supplementary services

€355.00

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BS ISO/IEC 11572:1997

BS ISO/IEC 11572:1997

Withdrawn Most Recent

Information technology. Telecommunication and information exchange between systems. Private integrated services network. Circuit mode bearer services. Inter-exchange signalling procedures and protocol

€404.00

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BS 6450-4:1993

BS 6450-4:1993

Superseded Historical

Private branch exchanges for connection to public switched telephone networks run by certain telecommunications operators Specification ports

€404.00

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BS ISO/IEC 13863:1998

BS ISO/IEC 13863:1998

Withdrawn Most Recent

Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Path replacement additional network feature

€316.00

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BS 4727-3 Group 03:1971

BS 4727-3 Group 03:1971

Superseded Historical

Glossary of electrotechnical, power, telecommunication, electronics, lighting and colour terms. Terms particular totelecommunications electronics Telegraphy, including facsimile, terminology

€269.00

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PD 6625:2000

PD 6625:2000

Withdrawn Most Recent

PNO-ISC service description number 001. Completion of calls to busy subscriber (CCBS). Supplementary service

€193.00

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PD 6626:2000

PD 6626:2000

Withdrawn Most Recent

PNO-ISC service description number 003. Geographic number portability

€269.00

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PD 6656:2000

PD 6656:2000

Withdrawn Most Recent

PNO-ISC service description number 006. High level service description for targeted transit

€165.00

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PD 6665:2000

PD 6665:2000

Withdrawn Most Recent

PNO-ISC service description number 007. Non geographic number portability

€193.00

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PD 6638:2000

PD 6638:2000

Withdrawn Most Recent

PNO-ISC specification number 003. C7 interconnect signalling connection control part (SCCP)

€193.00

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BS EN 50174-1:2001

BS EN 50174-1:2001

Superseded Historical

Information technology. Cabling installation Specification and quality assurance

€316.00

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