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Anonymous, 02/19/2016 10:49 PM


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 (and others in the credits section).

Cable

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)

Usage

dct3-gsmtap device host

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.

Author

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

Download

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

Files (3)
nokia3310_nk-33.2.png View nokia3310_nk-33.2.png 40.1 KB , 04/28/2011 06:52 PM
nokia3310_nk-33.png View nokia3310_nk-33.png 40.1 KB , 04/28/2011 06:53 PM
nokia_connect.png View nokia_connect.png 58.4 KB , 04/28/2011 06:53 PM

Updated by about 8 years ago · 6 revisions

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