Mea Culpa

So, it's probably good if the server handling the phone calls has permission to read the files containing the audio. UNIX developers learn early that 95% of inexplicable bugs are caused by file-system permission problems, but it's still an easy mistake to make. And ironically, I made it this morning while I was setting up a dev server to insulate the "production" public beta server from my ongoing late-night hackery...