Comment out the rxctcssfreqs line. Let us know how it goes. 73, Steve N4IRS <http://ohnosec.org/pipermail/app_rpt-users/2015-October/author.html#12956>Hello all. New user here trying to get up to speed. I connected a DMK URI to our Asterisk running ACID. We configured it as follows: ----------usbradio.conf------------- [general] [usb] hdwtype=0 rxboost=1 rxctcssrelax=1 rxctcssfreqs=100.0 carrierfrom=usb ctcssfrom=usb rxdemod=flat txprelim=yes txlimonly=yes txtoctype=notone txmixa=voice txmixb=no invertptt=0 duplex=1 -- ,,, (o o) -----ooO-(_)-Ooo------ --- N4IRS was Here ---