At 03:12 PM 6/8/01 +0100, you wrote:
>I want to make a simple phone switch board.
>Are there any devices available that supply e.g. busy, and engaged tones or
>info somewhere on the web.
>TIA
>

I have some links to TP circuitry/etc here:

http://www.oricomtech.com/teklink2.htm#Tele2

The cisco.com link is a good overview.

best regards,
- dan michaels
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