Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!bellcore!texbell!vector!telecom-gateway
From: len@csd4.csd.uwm.edu (Leonard P Levine)
Newsgroups: comp.dcom.telecom
Subject: Re: Wrong Numbers With Nobody Talking
Message-ID: 
Date: 26 Sep 89 17:54:46 GMT
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 From article , by sharon@asylum.sf.
ca.us (Sharon Fisher):
>>Anyway, it could
>>be a modem calling you (like a wrong number in someone's Systems file!)
>>and you would hear nothing when you answered. Remember, an originating
>>modem needs to hear the answering modem's tone before it will speak. If
>>you have a modem, you might let it answer your phone for awhile and see
>>if something connects with it:-)

I know that you can whistle a modem up.  Try responding to this no voice
caller with a swept frequency whistle.  Often modems will "hook up" and
then disconnect when you do it.  A click, a bleep and a hangup will
result.

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| Leonard P. Levine                  e-mail len@evax.cs.uwm.edu |
| Professor, Computer Science             Office (414) 229-5170 |
| University of Wisconsin-Milwaukee       Home   (414) 962-4719 |
| Milwaukee, WI 53201 U.S.A.              FAX    (414) 229-6958 |
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