Re: GSM Data

2008-07-11 Thread Michael Kluge
Hi Scott,

I think you are looking for http://wiki.openmoko.org/wiki/GPRS ?

Please have look at the PDF's at the bottom of the page. There is an 
description of all necessary AT commands.

Am Freitag, 11. Juli 2008 04:14:22 schrieb Scott Derrick:
 When i finally get my FreeRunner is there an application available
 that will display GSM data?

 Which tower,  signal strength, noise, etc.

 Scott


Michael


Michael Kluge, M.Sc.

Technische Universität Dresden
Center for Information Services and
High Performance Computing (ZIH)
D-01062 Dresden
Germany

Contact:
Willersbau, Room HRSK 151
Phone:  (+49) 351 463-32424
Fax:(+49) 351 463-37773
e-mail: [EMAIL PROTECTED]
WWW:http://www.tu-dresden.de/zih

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Re: GSM Data (hijacking threads)

2008-07-11 Thread Stroller

On 11 Jul 2008, at 03:14, Scott Derrick wrote:

 When i finally get my FreeRunner is there an application available
 that will display GSM data?

   Could you please not use reply for starting a new thread?
   Your mailer is smarter than you:

   http://lists.openmoko.org/pipermail/community/2008-July/021026.html

My email client allows me to right-click on a recipient of an  
existing message and choose new message, creating an empty message  
that does not hijack the thread. Perhaps yours also has this facility?

Stroller.

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GSM Data

2008-07-10 Thread Scott Derrick
When i finally get my FreeRunner is there an application available 
that will display GSM data?

Which tower,  signal strength, noise, etc.

Scott

-- 

-
Those willing to give up a little liberty for a little security deserve 
neither security nor liberty.

Benjamin Franklin 


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Re: Crytped calls through 9600Baud GSM-data connections?

2007-02-02 Thread Paul Wouters
On Fri, 2 Feb 2007, Robert Michel wrote:

 Did you discussed OTP, using less mobile device batterypower to add
 to the voicestream to build an encrypted connection between on users
 mobil and his homeserver?

Nope. In general, devices these days have enough cpu power to just do
AES. CPU isn't the limiting factor, latency and/or bandwith are. (for
voice encryption at least)

 I thought about that maybe GSM-data connections with 9600Baud would
 be interesting:
 -would piping through such a connection possible without TCP or other
  overhead?

If you do a gsm dat call, you can of course run your own protocol like
cryptophone does. But I want to try using just a standard ppp/ipsec
connection. Again, I think devices are fast enough and latency is more
of a problem then bandwidth, so this approach seems much easier to
implement then a custom serial/crypto protocol.

 This GSM data connection is used by every commercial cryptophone
 and avoid the delays of GPRS...

Yes, that is what cryptophone is using.

 PS: I made advertisement on this list for your presentation in Berlin,
 and that this video is no online - but good that mention that it
 is online again - it worth for the most here on the list to see it.

I moved some files and removed the ASF file in favour of the mp4 file,
since the ASF file caused a lot of problems for people to get to play.

Paul

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Re: Crytped calls through 9600Baud GSM-data connections?

2007-02-02 Thread Robert Michel
Salve Paul!

Paul Wouters schrieb am Freitag, den 02. Februar 2007 um 20:43h:

 On Fri, 2 Feb 2007, Robert Michel wrote:
 
  Did you discussed OTP, using less mobile device batterypower to add
  to the voicestream to build an encrypted connection between on users
  mobil and his homeserver?
 
 Nope. In general, devices these days have enough cpu power to just do
 AES. CPU isn't the limiting factor, latency and/or bandwith are. (for
 voice encryption at least)

CPU isn't maybe a limiting factor, I thought about the batterypower :)
And OTP would give an latency advantage as well. ;)


  -would piping through such a connection possible without TCP or other
   overhead?
 
 If you do a gsm dat call, you can of course run your own protocol like
 cryptophone does. 

My question is, would it be possibe to run 2 low quality phone calls
via one GSM data connection with speex?
Or when not having a second phone call, the connection could be used
for data transmission.

  PS: I made advertisement on this list for your presentation in Berlin,
  and that this video is no online - but good that mention that it
  is online again - it worth for the most here on the list to see it.
 
 I moved some files and removed the ASF file in favour of the mp4 file,
 since the ASF file caused a lot of problems for people to get to play.
But there are also other mirrors... see my mail and my downloadscript:
http://lists.openmoko.org/pipermail/community/2007-January/001561.html

Greetins,
rob


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