OLPC Sound modem
From HacDC Wiki
- Get DebXO running on a XO with the Terminal Activity
- Update it as per the DebXO wiki
# apt-get install soundmodem ax25-apps ax25-tools
# mkdir /etc/ax25/
- Fake /dev/dsp
# modprobe snd-pcm-oss
# soundmodemconfig
- configure the settings to your requirements then quit soundmodemconfig
- insert earplugs :P
# soundmodem /etc/ax25/soundmodem.conf