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From: aiml@cs.strath.ac.uk (Alan I M Laird)
Newsgroups: comp.dcom.telecom
Subject: Re: A Couple Tech Questions About Cellular Phones
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Date: 2 Aug 90 15:16:20 GMT
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X-Telecom-Digest: Volume 10, Issue 536, Message 8 of 15


>Uh, I think you have it backwards, John. Your transmitter turns on to
>answer the broadcast poll on the setup channel [sent to *all* cells,
>in order to find your phone], and you're switched to what will be the
>talk channel, *before* the local ringer on the addressed phone starts
>tweeting. It's the talk path (mic, earphone amplifier) that doesn't
>open 'til you hit SND.

This seems to be true from my experience as well. I often leave my
8500x sitting next to the television and shortly before it starts
ringing the television loses its picture and there is a loud hum
picked up directly on the speaker. Hi-fi speakers also pick up a hum.
Moving a few feet away restores the picture.

This allows me to display psychic abilities by starting to walk toward
the phone before it rings. Also if you happen to be looking at the
phone when this happens you will see it light up about half a second
before it rings.

Not long after I got the phone my mother had a lot of trouble getting
through to me. She would dial the number but then get cut off. What
happened at my end was that the phone lit up but didn't ring. When I
saw this happen I knew who was trying to call and could call her back.
I'm interested to hear if anyone else has had similar problems with
vodaphones in the UK. She still has occasional problems getting
through and one other person claims that it is almost impossible to
get me; everyone else has no problem. Could this be some sort of bug
in some BT exchanges ?


Alan I M Laird,               E-mail    : aiml@uk.ac.strath.cs
Dept of Computer Science,     Wireline  : 041 552 4400 x3081
University of Strathclyde,    Cellular  : 0836 320786
Glasgow G1 1XH, UK.