Recording calls and other sound bites

One missing feature on the TyTN is call recording.

I saw the LivePVR system discussed on-line, which seems to offer ideal functionality. It can record calls, and can also record arbitrarily long sound bites. Best of all, during non-call use (e.g., during a meeting) it can continuously record a rolling buffer of 60 seconds through the microphone, and then when the user pushes a button, save the past 60 seconds and the subsequent 60 seconds.

Unfortunately the trial version of the software doesn't seem to record calls on my TyTN. The manual recorder and the in-meeting recorder seem to work, but when I tell it to record a call, no recording shows up. I'm still working on it, and will report more as I find out more.

Anyone else work with LivePVR, or other software for recording calls? Comments welcome.