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Revision 5 (Anonymous, 02/19/2016 10:49 PM) → Revision 6/10 (Anonymous, 02/19/2016 10:49 PM)

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 = DCT3-GSMTAP 


 = 

 DCT3-GSMTAP is a command line utility to capture the GSM Um and SIM-ME interfaces from a Nokia DCT3 phone (eg. 3310) and forward via GSMTAP to the 
 Wireshark protocol analyzer. It is released under GNU GPL version 2. 

 It is heavily based on Gammu http://www.gammu.org and Project Blacksphere http://nokix.pasjagsm.pl/help/blacksphere/sub_200nokiaos.htm which is the result of a great deal of assembly code reading, research, countless (mostly futile) searches for data sheets, cross-referencing and analysing by wumpus blacksphere@goliath.darktech.org (and others in the credits section). 


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 = Cable 


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 A serial/USB FBUS cable is required - these should be readily available, normally used for ringtones etc, try searching for "3310 data cable". Images from https://svn.berlin.ccc.de/projects/airprobe/wiki/tracelog 

 [[Image(nokia3310_nk-33.png)]] 
 [[Image(nokia_connect.png)]] 


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 = Usage 


 <pre> 
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 {{{ 
 dct3-gsmtap device host 
 </pre> 

 }}} 

 The device should be something like /dev/ttyUSB0 (check dmesg once plugged in for exact name) or /dev/ttyS0. The host is where to send the GSMTAP packets to (224.0.0.1 is a good option). If you then run wireshark on the relevant interface, you'll see GSMTAP messages. 


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 = Author 


 = 

 Duncan Salerno duncan.salerno@googlemail.com - please let me know if you have success with non-3310 phones and I'll add them to the wiki! 


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 = Download 


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 The source code is kept in the git repository at *git://git.osmocom.org/dct3-gsmtap.git*, '''git://git.osmocom.org/dct3-gsmtap.git''', which you can browse 
 best from http://cgit.osmocom.org/
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