[channels]
language=en

usecallerid=yes
callerid=asreceived

signalling=pri_cpe    ; PRI Signalling, CPE Side
;signalling=pri_net   ; PRI Signalling, Network Side
switchtype=national

;national
;international
;private
;unknown
;local

pridialplan=national ;called party number
prilocaldialplan=national ; calling party number

echocancel=64
echocancelwhenbridged=yes
busydetect=no ; yes for analog trunk lines.

priindication=outofband ; accepted values: inband/outofband
callprogress=no ; if yes monitors state of calls, experimental.

rxgain=1.0
txgain=1.0
group=3
context=pri_in
channel => 1-23