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Dct3-gsmtap » History » Version 8

fixeria, 12/17/2018 09:19 AM

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h1. DCT3-GSMTAP
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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
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Wireshark protocol analyzer. It is released under GNU GPL version 2.
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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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h1. 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
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{{thumbnail(nokia3310_nk-33.png)}}
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{{thumbnail(nokia_connect.png)}}
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h1. Usage
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<pre>
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dct3-gsmtap device host
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</pre>
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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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h1. Author
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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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h1. Download
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The source code is kept in the git repository at *git://git.osmocom.org/dct3-gsmtap.git*, which you can browse
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best from http://cgit.osmocom.org/
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