Go to the install folder of the 7.2.67 TelnetCE.
Note the date/time stamp of your host PC
Start the WPC and make your changes.
Locate the files S24CFG.DAT and Termcfg.bin. Verify new the date/time modified.
Copy these to the device \Application\Wavelink\Telnet or TE\Config and paste; overwriting existing files.
The older versions of TelnetCE are a bit buggy so might aswell copy these to \programFiles\Wavelink...anywhere you might see these files.
Hope this helps