Notes on the $10 Ansering machine

Here is the link to the original artical
$10 answering machine

Some notes on the answering machine

If you are using audacity to record audio or something else that records at a high sampling rate. Sox will have to be told at which rate and format it needs to down sample to. This works nicely:
sox message.wav -r 8000 -U leave_a_msg.ul

The link to the zaptel driver is now incorect. Use this one instead: Zaptel drivers