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Re: [Discuss-gnuradio] Problem of making a call

From: David Burgess
Subject: Re: [Discuss-gnuradio] Problem of making a call
Date: Sat, 19 Sep 2009 18:32:36 -0700

There is a GNU Radio wiki page:


that is being used to track problems with specific models. Anyone is welcome to update that with the most specific information possible.

-- David

On Sep 16, 2009, at 4:25 PM, John Gilmore wrote:

I would like to make a call between two mobile phones using OpenBTS, but
the call exit after the phone begin to ring, message is show below:
Could anybody help me with this problem?*

I had the same problem at Burning Man with my phone (a BlackBerry).
Some phones seem able to make voice calls, others suffer some kind of
protocol violation that makes them instantly hang up.

We never succeeded in debugging the problem there.

I suggest trying some other phones -- if you can get one that works,
you can compare the protocol traces to one that fails, and see if you
can figure out why.


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David A. Burgess
Kestrel Signal Processing, Inc.

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