home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!hela.iti.org!usc!news.aero.org!helfman
- From: helfman@aero.org (Robert S. Helfman)
- Newsgroups: sci.electronics
- Subject: Re: Autodialer
- Date: 6 Nov 1992 18:34:53 GMT
- Organization: The Aerospace Corporation, El Segundo, CA
- Lines: 26
- Message-ID: <1dedsdINN217@news.aero.org>
- References: <1992Nov6.010038.3104@msdrl.com> <1992Nov6.160857.16550@unislc.uucp>
- NNTP-Posting-Host: aerospace.aero.org
-
- In article <1992Nov6.160857.16550@unislc.uucp> mgc@unislc.uucp (Marc Christensen) writes:
- >Jim Karkanias (karkan@msdrl.com) wrote:
- >: Does anyone know of a public domain or shareware program that would let me
- >: assemble an arbitrary string of characters (representing those keys on a
- >: telephone) and send them to a modem? I'd like to be able to programatically
- >: control a remote process; this process uses the phone as an interface...
- >:
- >The problemI ran into and you probably will to was ...
- >the modems all expect a dial-tone before they will dial. No tone No Dial.
- >If the device "Answers" the phone then you will need to find a way around it.
- >Do the regular/Leased line switches on a modem disable this feature?
- >
- >Making the modem dial is simple you need to send ATDT1234567890*# out the
- >serial port for a standard hayes modem. some brands will also handle A,B,C,D
- >codes like in a 12 digit pad.
-
- According to the Hayes standards, "if the modem is off-hook,
- it will neither initially wait nor attempt to detect dial tone
- before proceeding." (*) So, take it off-hook with ATH1, then
- dial using ATDT..... as described above.
-
-
- (*) from page 1-3, Technical Reference for Hayes Modem Users, 32 July 1991,
- version 1.0
-
- Reprinted here without permission. So sue me.
-