zaptel.conf

span=1,1,0,ccs,hdb3,crc4
bchan=1-15
dchan=16
bchan=17-31

zapata.conf

[general]

[channels]
context = default
switchtype = euroisdn
usecallerid = yes
hidecallerid = no
;hidecallerid = yes
usecallingpres = yes
callwaitingcallerid = yes
callwaiting = no
threewaycalling = yes
transfer = yes
cancallforward = yes
callreturn = yes
echocancel = yes
echocancelwhenbridged = yes
;echotraining = yes
;echotraining = 800
;relaxdtmf = yes
rxgain = 0.0
txgain = 0.0
signalling = pri_cpe

group = 1
channel =>2-15
;channel =>17-31

group = 2
channel => 1

callgroup = 1
pickupgroup = 1
channel => 1-15,17-31

;callerid = 33384100
amaflags = default
faxdetect = incoming