[channels] context = fra_pstn switchtype = euroisdn ;switchtype = qsig usecallerid = yes hidecallerid = no ;hidecallerid = yes usecallingpres = yes callwaitingcallerid = yes callwaiting = no threewaycalling = yes transfer = yes cancallforward = yes callreturn = yes echocancel = 64 echocancelwhenbridged = yes echotraining = yes echotraining = 800 relaxdtmf = yes rxgain = 0.0 txgain = 0.0 signalling = pri_cpe pridialplan=international group = 1 callgroup = 1 pickupgroup = 1 channel => 1-15,17-31 group = 2 callgroup = 2 pickupgroup = 2 channel => 32-46,48-62