rendered paste body[root@oficina asterisk]# cat /etc/asterisk/zapata.conf
[channels]
language=es_CO
context=from-trunk
switchtype=national
signalling=fxs_ks
rxwink=300
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
rxgain=3.0
txgain=8.0
group=1
callgroup=1
pickupgroup=1
immediate=no
busydetect=yes
hanguponpolarityswitch=yes
polarityonanswerdelay=1
busycount=6
pulsedial=yes
musiconhold=default
channel => 4