[channels] ; Analog trunk features usedistinctiveringdetection=no busydetect=yes busycount=4 callprogress=yes pulse=no ; Analog handset features adsi=no immediate=no ;batphone callwaiting=no callwaitingcallerid=no threewaycalling=no transfer=no cancallforward=no callreturn=no useincomingcalleridonzaptransfer=no ; Caller ID options usecallerid=yes hidecallerid=no ; Audio quality tuning options relaxdtmf=yes echocancel=128 echocancelwhenbridged=yes echotraining=yes callwaitingcallerid=no amaflags=documentation jitterbuffers=8 rxgain=0.0 txgain=8.0 ; Other features language=en musiconhold=default ;------------------- context=external group=1 signalling=fxs_ks ;station sugnalling for office line accountcode=L-PSTN1 channel=1 accountcode=L-PSTN2 channel=2 accountcode=L-PSTN3 channel=3 accountcode-L-PSTN4 channel=4