[general] context=default ; Default context for incoming calls bindport=5060 ; UDP Port to bind to (SIP standard port is 5060) bindaddr=0.0.0.0 ; IP address to bind to (0.0.0.0 binds to all) srvlookup=yes ; Enable DNS SRV lookups on outbound calls disallow=all ; First disallow all codecs allow=ulaw ; Allow codecs in order of preference musicclass=default ; Sets the default music on hold class for all SIP calls nat=yes ; Ignores address:port in SIP headers from non-localnet sources canreinvite=no ; allow RTP voice traffic to bypass Asterisk dtmfmode = info ; Set default dtmfmode for sending DTMF. Default: rfc2833 externip = 216.28.180.158 ; Address that we're going to put in outbound SIP messages localnet = 10.0.100.0/255.255.254.0 localnet = 192.168.0.0 /255.255.0.0 [authentication]