On Wed, 13 Mar 2002, Doug Carman wrote:
> Maybe there should be a "Classic Communication" list.
comp.dcom.telecom is the place for this kind of question.
> That's where the problem really exists. In order to provide
> restriction, you need to restrict specific lines either through telco
> provided restrictions, or through external devices that listen to the
> digits being dialed and disconnect the line if someone tries to make a
> call that is not allowed. External "toll restrictors" are not common
> anymore because the assumption that all toll calls start with the digit
> '1' is not always true and these devices were not always sophisticated
> enough to do the job.
That's where "dialers" come. Devices made by such companies as
Teltronics or Mitel should be common as dirt by now. Most (if not all)
newer phone systems are programmable for call restrictions, so these
dialers should be flooding the market.
I have a some Teltronics and Mitel SmarT-1 dialers to sell.
Sellam Ismail Vintage Computer Festival
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Received on Wed Mar 13 2002 - 07:51:14 GMT