My Elastix was working fine until i made a "yum update" and FreePBx update to 2.8.0.
now i can't make outbound calls through DAHDI, but i receive well!!!
here is the error in /var/log/asterisk/full.log
[Jun 22 14:39:02] WARNING[5434] channel.c: No channel type registered for 'ZAP'
[Jun 22 14:39:02] WARNING[5434] app_dial.c: Unable to create channel of type 'ZAP' (cause 66 - Channel not implemented)