[root@asterisk asterisk]# cat zapata.conf | grep -v "^;"



[trunkgroups]

[channels]
context=default
switchtype=national
signalling=fxo_ls
rxwink=300              
usecallerid=no
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
rxgain=0.0
txgain=0.0
group=1
callgroup=1
pickupgroup=1
immediate=no
signalling = fxs_ks
channel => 1,2