[channels] language=en rxgain = 0.0 txgain = 0.0 echocancel = yes echocancelwhenbridged = yes echotraining = 800 useincomingcalleridonzaptransfer = yes hanguponpolarityswitch = yes busydetect = yes signalling = fxs_ks faxdetect = none group = 1 relaxdtmf => no context = ivrMain channel => 1