Post published:01/11/2012 Post category:Asterisk (Issabel, FreePBX, Elastix, Trixbox) Hang up problem on pstn lines open and edit file: /etc/asterisk/chan_dahdi.conf 1 /etc/asterisk/chan_dahdi.conf find and uncomment: busydetect=yes busycount=2 immediate=yes 1234 busydetect=yesbusycount=2 immediate=yes restart amportal restart 1 amportal restart Tags: Asterisk, Elastix, FreePBX, Issabel