[general] transport=udp context=default-incoming-call-context allowoverlap=yes allowtransfer=yes realm=asterisk bindaddr=0.0.0.0 srvlookup=yes maxexpiry=600 minexpiry=60 defaultexpiry=300 qualifyfreq=55 disallow=all allow=ulaw allow=alaw dtmfmode = inband alwaysauthreject = yes t1min=100 timert1=500 timerb=16000 rtptimeout=600 rtpkeepalive=30 useragent=|USERAGENT| localnet=192.168.0.0/16 localnet=10.0.0.0/8 localnet=172.16.0.0/12 nat=yes directmedia=no sipdebug=no bindport=|BINDPORT| externhost=|EXTERNHOST| externrefresh=60 #include sip_registrations.conf [authentication] #include sip_peers.conf #include sip_users.conf