Integrated Services Digital Network

:ISDN is also short for isosorbide dinitrate

Related topics

Protocols

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• DSS1 (ETSI "Euro-ISDN", also used in many non-European countries)

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• NI-1 (US National ISDN Phase 1)
• NI-2 (US National ISDN Phase 2)

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• INS-NET 64/1500 (Japanese national/NTT carrier-specific protocol)
• DACS used in the UK by British Telecom it uses non standard D channel signalling for Pair gain

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• FTZ 1 TR 6 (obsolete German national protocol)
• TS.013/TS.014 (obsolete Australian national protocol)
• VN2/VN3/VN4 (obsolete French national protocols)

Specifications defining the physical layer and part of the data link layers of ISDN:

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• ISDN BRI: ITU-T I.430.
• ISDN PRI: ITU-T I.431.

From the point of view of the OSI architecture, a ISDN line has a stack of three protocols

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• physical layer
• data link layer
• network layer (the ISDN protocol, properly)

Other

• ADSL
• ATM
• B-ISDN
• Internet
• H.320