参考：在ASTERISK下配置ISDN PRI E1卡

Question

These are our configuration files:

/etc/zaptel.conf
span=1,1,0,ccs,hdb3,crc4
bchan=1-15,17-31
dchan=16
loadzone = it
defaultzone = it

/etc/asterisk/zapata.conf
trunkgroups
channels
language=it
context=default
signalling=pri_cpe
switchtype=euroisdn
rxwink=300
loadzone=it
defaultzone=it
channel => 1-15,17-31 ;for E1

callerid=asreceived
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
echocancel=no
echocancelwhenbridged=yes
echotraining=400
rxgain=0.0
txgain=0.0
group=1
callgroup=1
pickupgroup=1
immediate=no
busydetect=yes
busycount=6
callprogress=yes
faxdetect=incoming

System summary
Asterisk@Home 2.4
Linux kernel 2.6.9-22.0.2.EL
Asterisk 1.2.3