> and multiplexed per sample on digital lines (T1 and up).
Technically even on ISDN because you had channel bonding there. Although it's all still circuit switched. The timeslot within the channel group is reserved entirely for your use at a fixed bandwidth and has full setup and tear down that is coordinated out of band.
Technically even on ISDN because you had channel bonding there. Although it's all still circuit switched. The timeslot within the channel group is reserved entirely for your use at a fixed bandwidth and has full setup and tear down that is coordinated out of band.