What are the engineering devices called which couple software with
telecommunication devices?

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Clarification of Question by marcdemers-ga on 21 Jan 2006 06:01 PST

thank you lisarea and gahlawat. Those are the answers i was looking
for. No further help needed.

Do you mean multiplexers?

Hi lisarea. I don't know if I mean multiplexers. Are they the devices
that a software program can use to start making automated calls? Or
send automatic emails, faxes, etc.?

The question is not well-defined. One answer is "a computer" but that
is probably not what you are looking for. One component of most
computers is a modem (modulator/demodulator). For example a cable
modem connects a coaxial cable for broadband communications to the
rest of the computer. Usually, when someone mentions a modem without
adjectives they are referring to a modem that connects a computer to a
telephone line. Is this what you had in mind?

http://en.wikipedia.org/wiki/Modem

Oh, no. Sorry about that. The thing is that pretty much any kind of
telco equipment uses some sort of software.

It sounds as though autodialers are what you're looking for.