[general]
udpbindaddr=0.0.0.0:5080
nat = no
outboundproxy=1.2.3.4:5062

[CARRIER]
type=peer
host=5.6.7.8
port=5060
canreinvite=no

<--- SIP read from UDP:1.2.3.4:5062 --->
BYE sip:+12022222222@9.8.7.6:5080 SIP/2.0
Via: SIP/2.0/UDP 1.2.3.4:5062;branch=z9hG4bK-whatever-ADUNFP9EKK.0
Via: SIP/2.0/UDP 5.6.7.8:5060;branch=z9hG4bK-whatever-JOeEOAZOLF.0
Via: SIP/2.0/UDP 5.6.7.100:5060;branch=z9hG4bK-whatever-carrier-562011372980454
From: <sip:+12244069509@5.6.7.8.50>;tag=xtg-1373585083-628457213
To: <sip:+12022222222@9.8.7.6:5080>;tag=as2eae6e90
Call-ID: 591eb9772fb9fcc97315f7805d80d605@9.8.7.6:5080
CSeq: 201 BYE
Max-Forwards: 68
User-Agent: Whatever Carrier/1.0
Content-Length: 0


<--- Transmitting (NAT) to 5.6.7.8:5060 --->
SIP/2.0 200 OK
Via: SIP/2.0/UDP 1.2.3.4:5062;branch=z9hG4bK-whatever-ADUNFP9EKK.0;received=5.6.7.8;rport=5060
Via: SIP/2.0/UDP 5.6.7.8:5060;branch=z9hG4bK-whatever-JOeEOAZOLF.0
Via: SIP/2.0/UDP 5.6.7.100:5060;branch=z9hG4bK-whatever-carrier-562011372980454
From: <sip:+12244069509@5.6.7.8>;tag=xtg-1373585083-628457213
To: <sip:+12022222222@9.8.7.6:5080>;tag=as2eae6e90
Call-ID: 591eb9772fb9fcc97315f7805d80d605@9.8.7.6:5080
CSeq: 201 BYE
Server: Asterisk PBX 11.4.0
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Length: 0