*#0000# to reset the phones menu-language to natural language, set initially by the distributor.

*#06# for checking the IMEI (International Mobile Equipment Identity)

hold * then 5806 - show software version
hold * then 5807 - a littel bit diffrent
hold * then 5472 - Testmode for datacable (it seems so)
hold * then 4329 - Activate and deactivate NETMONITOR
hold * then 621342 - Activate and deactivate another NETMONITOR
hold * then 3926 - shutdown

SP lock
You can turn around the lock routin by entering **04*PIN*PIN*PIN# now
the secretcode change was applied and the software turns back to main
menue. It works not on all triums, only on thos with older sofware
versions.