[general] context=from_sip ; Default context for incoming calls port=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 ;progressinband=yes nat=yes ;externip= localnet=10.11.177.20/255.255.255.0 disallow=all ; Deshabilita todos los codecs allow=ulaw ; Permite el codec ulaw (g711) 10kb/s allow=ilbc ; Permite el codec ilbc 3kb/s allow=gsm ; Permite el codec gsm 3kb/s ;allowguest=yes dtmfmode=inband