#/etc/zaptel.conf
span=1,1,0,ccs,hdb3,crc4
bchan=1-10
dchan=16
unused=11-15,17-31
defaultzone=au
loadzone=au

#/etc/asterisk/zapata.conf
[trunkgroups]
trunkgroup => 1,16
spanmap => 1,1,1

[channels]
busydetect=no
callerid=asreceived
callgroup=1
callprogress=yes
callreturn=yes
callwaiting=no
callwaitingcallerid=yes
cancallforward=no
cidsignalling=bell
cidstart=ring
context=from-telco
echocancel=128
echocancelwhenbridged=yes
echotraining=400
faxdetect=no
hidecallerid=no
immediate=no
jitterbuffers=4
pickupgroup=1
pridialplan=local
priindication = inband
restrictcid=no
rxgain=-3.0
rxwink=250
sendcalleridafter=1
signalling=pri_cpe
switchtype=euroisdn
threewaycalling=yes
transfer=no
txgain=0.0
usecallerid=yes
usecallingpres=yes

group=0
channel => 1-10

#/etc/asterisk/extensions.conf
[from-telco]
exten => _X.,1,Answer
exten => _X.,n,Playback(thanks)
exten => _X.,n,Hangup




asterisk1*CLI>
    -- Accepting call from '' to '43049900' on channel 1/1, span 1
    -- Executing Answer("Zap/1-1", "") in new stack
    -- Executing Playback("Zap/1-1", "thanks") in new stack
    -- Playing 'thanks' (language 'en')
    -- Channel 1/1, span 1 got hangup
  == Spawn extension (from-telco, 900, 2) exited non-zero on 'Zap/1-1'
    -- Hungup 'Zap/1-1'
asterisk1*CLI>