www.gsmopen.org ...low cost GSM for FreeSWITCH and Asterisk

Compilation, installation, operation

At this moment, gsmopen software runs on two telephony platform: FreeSWITCH and Asterisk. FreeSWITCH: not yet released, please have a preview at http://wiki.freeswitch.org/wiki/GSMopen Asterisk: Celliax for Asterisk

ALSA (sound system on Linux)

How to configure ALSA for GSMopen