Hi,
Attached is a direct port of the IML dissector code from the ip.access code to wireshark SVN head with a few changes to make it work with the current API. This was done as part of Harald's GSM workout during FOSS.IN and he suggested I post it to this list. I haven't really tested this code since I dont have access to IML traces, but assuming the original code worked, this one should too. Hope this is possibly useful to someone :)