Article View: sci.electronics
Article #21426Re: How can I restrict outgoing phone calls?
From: Tom Crawford
Date: Thu, 18 May 1989 14:59
Date: Thu, 18 May 1989 14:59
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>>...If you do what you say, disable the keypad, they >>can still make calls anywhere they want with a hand held dialer (assuming >>that you have tone service)... > >And if they're deft, they can make calls anywhere they want even if you >*don't* have tone service, by rapidly pulsing the hookswitch (the switch >that distinguishes between "on hook" and "off hook", often by having the I know from first hand experience that you can "dial" O(perator) by pulsing the hookswitch. Then you can place an operator-assisted call anywhere you like... Tom Crawford
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!cs.utexas.edu!sun-barr!decwrl!amdcad!diablo!tc From: tc@diablo.amd.com (Tom Crawford) Newsgroups: sci.electronics Subject: Re: How can I restrict outgoing phone calls? Message-ID: <25678@amdcad.AMD.COM> Date: 18 May 89 14:59:53 GMT References: <778@tetons.UUCP> <21001@genrad.UUCP> <1989May18.042535.9003@utzoo.uucp> Sender: news@amdcad.AMD.COM Reply-To: tc@diablo.AMD.COM (Tom Crawford) Organization: Advanced Micro Devices, Inc. Sunnyvale CA Lines: 13