Andrew is playing with Engin and Asterisk. There seem to be plenty of software SIP phones packaged for Debian, so I recommend starting with one of those — the debugging is a lot easier. Also, Nerd Vittles has had some excellent howtos recently.
Tag: asterisk
Building an answering machine using a $10 winmodem
Perhaps I’ll use the uber PC I intend to get in the US as an answering machine as well, although going the whole hog with Asterisk is pretty tempting too. [icbm: home]