HUT Comms. Lab, Timo O. Korhonen
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Integrated Services Data Network (ISDN)
nIn N-ISDN (narrow band 2x64 kb/s +16 kb/s, extendable up to 30x64=1.92 Mb/s), B-ISDN (rates exceeding 100 Mb/s) and ATM (asynchronous transfer mode) networks all services are handled integrated, circuit switched way.
nMobility enabled by DECT (Digital Enhanced Cordless Telecommunications )
nNowadays there exists many competitive techniques for ISDN as
nCable modems,
nISM -band (Industry, Science, Medicine) LANs (as HiperLAN I & II)
nDigital satellite networking by DVB (SAS Astra®)
nWCDMA
nPSTN with 56 kbit/s (V.90) technology