HUT Comms. Lab, Timo O. Korhonen
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Integrated Services
Digital Network (ISDN)
nModern PSTN exchanges apply ISDN technology (64 kb/s...2 Mb/s) both internally and externally nISDN and its broadband version B-ISDN (up to 100Mb/s) supports data communications also for future PLMNs nDifferentiated services: Transportation system channeled into constant rate, real-time and higher-latency
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Text Box: Merged networks
Merged networks
PLMN: Public Land Mobile Network
Voice, data; multimedia
ATM: Asynchronous Transfer Mode