[channels]

group=1
echocancel=yes
echocancelwhenbridged=no
echotraining=no
immediate=no
overlapdial=yes
rxgain=0
txgain=0
immediate=no
faxdetect=no
switchtype=euroisdn
context=incomming
signalling=pri_cpe
channel => 1-15,17-31

group=2
callerid=MOSA
context=incomming
faxdetect=both
echocancel=yes
echocancelwhenbridged=no
echotraining=no
signalling=fxo_ks
language=en
channel => 32,33