Australian FXO VIC Config

From Mexico.purplecow.org

I'm really not sure if this is technically correct or perfect, but it seems to get the job done. Tested with Asterisk and 1760V with VIC2-FXO.

voice-port 3/0
 supervisory disconnect dualtone mid-call
 input gain 10
 cptone AU
 timeouts call-disconnect 0
 timeouts wait-release 1
 timing hookflash-out 50
 connection plar <your sip ext>
 impedance complex1
 busyout action graceful