chan_dahdi.conf

[root@localhost ~]# cat /etc/asterisk/chan_dahdi.conf
; Auto-generated by /usr/sbin/hardware_detector
[trunkgroups]

[channels]
context=from-pstn
signalling=mfcr2
rxwink=300              ; Atlas seems to use long (250ms) winks
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=no
faxdetect=incoming
echotraining=800
rxgain=0.0
txgain=0.0
callgroup=1
pickupgroup=1
relaxdtmf=yes

signalling=mfcr2
mfcr2_variant=br
mfcr2_get_ani_first=yes
mfcr2_max_ani=20
mfcr2_max_dnis=4
mfcr2_category=national_subscriber
mfcr2_logdir=span1
mfcr2_logging=all
mfcr2_mfback_timeout=3000
context=from-pstn
group=0
channel => 1-15,17-31


;Uncomment these lines if you have problems with the disconection of your analog lines
;busydetect=yes
;busycount=3


immediate=no

#include dahdi-channels.conf
#include chan_dahdi_additional.conf
[root@localhost ~]#