"Artemis" ROM has build-in support for In-Call Recording with Windows Mobile OS procedure.
How to use this ability ?
Step1: answer your call and
Step2: hit to "menu" and select "Record"
the recording stop after the end of call, with a short sound....
Step3: Play you in-call recordings with Note application
NOTE: All in-call recordings with WM OS procedure stored to \\My Documents\Notes\ folder