Tcl - Capturing ring of modem

Author

Capturing ring of modem

alexander@edem.g12.br

2005-09-21, 7:01 pm

Hi!

Me again, speaking an horrible english...

So... is it possible know when my telephone receive one call?

I explain: I want build one "electronic secretary" and I need capture
some signals of my modem.

The first, obvious, is if my modem receive one ring. I must count some
rings and start one circuit board (made by me) to answer the call.

I search a lot how to do this with Tcl, but after a lot of tests I just
can't take this rings.

So... if is not possible, maybe somebody here can tell me one start to
do. I just wanna count the rings (and, of course, after work of my
circuit board, capture if the call was over).

[]'s
Alexander Franca
Brazil

Darren New

2005-09-21, 7:01 pm

alexander@edem.g12.br wrote:
> The first, obvious, is if my modem receive one ring. I must count some
> rings and start one circuit board (made by me) to answer the call.

This was easy for me. I had a Hayes-style "AT" command modem, as almost
all are nowadays. I openned the appropriate serial COM: line, sent the
configuration to set it up so it prints "RING" when it gets a ring, then
set a file-event readable. When the ring came in, the modem printed
"RING" to the serial port, and I told the modem to answer.

It's straightforward, if you use the AT commands.

--
Darren New / San Diego, CA, USA (PST)
"Rabbit beer, now with organic hops!"

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