set_destination: Parsing <sip:sv0071iv.xxx.veridian.on.ca:5070;transport=Tcp;maddr=192.168.20.3> for address/port to send to
set_destination: set destination to 192.168.20.3, port 5070
Reliably Transmitting (no NAT) to 192.168.20.3:5070:
BYE sip:sv0071iv.xxx.veridian.on.ca:5070;transport=Tcp;maddr=192.168.20.3 SIP/2.0
Via: SIP/2.0/TCP 192.168.20.2:5060;branch=z9hG4bK0ebfa37b;rport
Max-Forwards: 70
From: <sip:sv0071iv.voice:5070>;epid=72981C2AB9;tag=a85ee012d6
To: <sip:asterisk@192.168.20.2>;tag=as643fb95e
Call-ID: 05b6e9a07669fa0c0a4d88a663b4a2bd@192.168.20.2
CSeq: 26848 BYE
User-Agent: Asterisk PBX 1.6.0-beta9
Content-Length: 0


---
Scheduling destruction of SIP dialog '05b6e9a07669fa0c0a4d88a663b4a2bd@192.168.20.2' in 6400 ms (Method: BYE)
<--- SIP read from TCP://192.168.20.4:5070 --->
SIP/2.0 481 Call Leg/Transaction Does Not Exist
FROM: <sip:sv0071iv.voice:5070>;tag=a85ee012d6;epid=72981C2AB9
TO: <sip:asterisk@192.168.20.2>;tag=as643fb95e
CSEQ: 26848 BYE
CALL-ID: 05b6e9a07669fa0c0a4d88a663b4a2bd@192.168.20.2
VIA: SIP/2.0/TCP 192.168.20.2:5060;branch=z9hG4bK0ebfa37b;rport
CONTENT-LENGTH: 0
SERVER: RTCC/3.0.0.0


<------------->
--- (8 headers 0 lines) ---
[Jul  4 12:36:35] WARNING[5484]: chan_sip.c:15279 handle_response: Remote host can't match request BYE to call '05b6e9a07669fa0c0a4d88a663b4a2bd@192.168.20.2'. Giving up.