: Cassie Carstens wrote:
>
> Hi !
>
> Does anybody have some specs or pointers to Telephone Pulse Dialing
> protoc. Pulse timing, interdigit times and so on. I have tried a lot
> of sites and only got DTMF stuff.
>
> Please............ : )
>
> TIA
> Cassie

Mark is 33.3ms, space is 66.6 ms
You will find it fairly international.
Time between pulses was a mechanical govenor, about 330ms is suitable.
Some users were able to exceed these specs with a mechanical lever
called a pencil.

Don McKenzie  mailto:don@dontronics.com   http://www.dontronics.com

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