[channels]

language=en
echocancel=yes
echocancelwhenbridged=yes
echotraining=yes
switchtype=euroisdn
pridialplan=unknown
rxgain=0
txgain=0
pridialplan=unknown
prilocaldialplan=unknown

priindication = outofband

internationalprefix = 00
nationalprefix = 0
localprefix = 01614
privateprefix = 0
unknownprefix =

context=isdn1
group = 1
signalling=pri_cpe
channel => 1-15
channel => 17-31

context=isdn2
group = 2
signalling=pri_net
channel => 32-46
channel => 48-62

extensions.conf:

[general]

[globals]

[isdn1]
exten => s,1,Dial(${INDEX}/${EXTEN})
exten => s,n,zapateller
exten => _X.,1,Dial(ZAP/g2/${EXTEN})
exten => _X.,n,hangup

[isdn2]
exten => s,1,answer
exten => s,n,playback(tt-somthingwrong)
exten => s,n,playback(tt-monkeysintro)
exten => s,n,holdmusic

exten => i,1,answer
exten => i,n,playback(tt-somthingwrong)
exten => t,1,answer
exten => t,n,playback(tt-somthingwrong)
exten => _.,1,answer
exten => _.,n,playback(tt-somthingwrong)

[isdn2x]
exten => s,1,Dial(ZAP/g1/${EXTEN})
exten => s,n,zapateller
exten => _X.,1,Dial(ZAP/g1/${EXTEN})
exten => _X.,n,hangup