Re: endless upgrades in the speed of modems

Michael Sattler (
Mon, 31 Jul 1995 11:42:21 -0700 said:
>>Modems in the future will support higher data rates. Only a couple
>>of years ago engineers believed that the fastest you could
>>communicate over an unconditioned phone line was 9600 bps with some
>>measure of reliability.

Modems, devices that MOdulate and DEModulate digital data into audio, will
probably never top 28.8 kbps, and if someone does, by not much more than

>Don't expect endless upgrades in the speed of modems. The phone
>company infrastructure is the limiting factor in how fast you can
>transmit over regular phone lines....
>Ultimately you will need to have a connection with more bandwidth
>such as ISDN (1 or more 56K links)

But the only change in the infrastructure will be the phone switch at the
phone company's substation. ISDN is brought to you on the same wire as are

Michael Sattler <> |
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