Article View: alt.folklore.computers
Article #300Re: Infinite forwardings of phones
From: rod... Rodney Peck II
Date: Thu, 14 Dec 1989 07:27
Date: Thu, 14 Dec 1989 07:27
39 lines
2447 bytes
2447 bytes
>>>>> On 14 Dec 89 01:14:14 GMT, rave...@isi.edu (Paul Raveling) said: Paul> In article <9405@microsoft.UUCP>, phillipg@microsoft.UUCP (Phillip Paul> Garding) writes: > In article <1683@mrsvr.UUCP> chandra@bhairavi.uucp (B. Chandramouli) writes: > >By accident he had set up the .forward files on two machines to forward to > >each other. Paul> A little phone-hacking escapade by one of the more Paul> infamous members of the UCLA Computer Club in the '60's Paul> was something like this. Paul> UCLA and Berkeley had 6 tie lines. He called Berkeley, Paul> then forwarded the connection to UCLA, then to Berkeley... Paul> and so on until all the tie lines were locked up in an Paul> infinite loop. It took several hours to free them. hmmm... RPI has its own internal phone system called the IBX (probably most schools have their own phone system these days). In it's infinite wisdome, RPI decided to force all the students to have a phone in their rooms and pay for it if they wanted it or not. Well, I was bored one day so I decided to play with it a bit. Turns out there are some fun things to do... the obvious one is to forward one phone to another and then the second to the first. The computer is pretty smart, though and won't let you do that. So, what you do is forward them to each other through an outside line! You forward to 9-276-1234 and 9-276-4321, say. The amusing side effect is that each iteration of forwarding takes another two lines of RPI's trunk into the Troy phone switch. You can sit and listen to them click in and the noise get louder and louder...after about 20 minutes, I got a busy signal and it dropped all the trunks. My best guess is that I actually used up all the available lines into RPI for a little bit there. -- Rodney
Technical Details
Message-ID:
<RODNEY.89Dec14022725@dali.ipl.rpi.edu>Path:
mbox-mo1.pugleaf.net!gmdzi!unido!mcsun!uunet!crdgw1!rpi!rpi.edu!rodneyReferences:
<9405@microsoft.UUCP> <1683@mrsvr.UUCP> <10972@venera.UUCP>Show Full Headers
Complete Article Headers
Path: mbox-mo1.pugleaf.net!gmdzi!unido!mcsun!uunet!crdgw1!rpi!rpi.edu!rodney From: rod...@dali.ipl.rpi.edu (Rodney Peck II) Newsgroups: alt.folklore.computers Subject: Re: Infinite forwardings of phones Message-ID: <RODNEY.89Dec14022725@dali.ipl.rpi.edu> Date: 14 Dec 89 07:27:36 GMT References: <9405@microsoft.UUCP> <1683@mrsvr.UUCP> <10972@venera.UUCP> Organization: Rensselaer Polytechnic Institute Image Processing Lab, Troy NY Lines: 39 Posted: Thu Dec 14 08:27:36 1989 In-Reply-To: raveling@isi.edu's message of 14 Dec 89 01:14:14 GMT MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit