[trunkgroups]
trunkgroup => 1,1
spanmap => 1,1,0

[channels]
context=default
switchtype=euroisdn
signalling=pri_cpe
overlapdial=yes
usecallerid=yes
hidecallerid=no
restrictcid=yes
usecallingpres=yes
echocancel=no
echocancelwhenbridged=no
rxgain=0.0
txgain=0.0
immediate=no
group=1
channel => 2-15