Something

naru*CLI> sip debug
SIP Debugging enabled
naru*CLI>
<-- SIP read from 192.168.0.244:49160:
REGISTER sip:192.168.0.4 SIP/2.0
Via: SIP/2.0/UDP 192.168.0.244:49160;branch=z9hG4bK-d87543-202dc25e05732c29-1--d87543-;rport
Max-Forwards: 70
Contact: <sip:200@192.168.0.244:49160;rinstance=dd30ea71e4ac3122>
To: "William Peters"<sip:200@192.168.0.4>
From: "William Peters"<sip:200@192.168.0.4>;tag=5b11b72f
Call-ID: MjUwMDI5YjMwMjNiMDcxZGExNWYzMDE1NjI0OTQ5OGE.
CSeq: 1 REGISTER
Expires: 3600
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
User-Agent: X-Lite release 1006e stamp 34025
Content-Length: 0


--- (12 headers 0 lines) ---
Using latest REGISTER request as basis request
Sending to 192.168.0.244 : 49160 (NAT)
Transmitting (NAT) to 192.168.0.244:49160:
SIP/2.0 404 Not found
Via: SIP/2.0/UDP 192.168.0.244:49160;branch=z9hG4bK-d87543-202dc25e05732c29-1--d87543-;received=192.168.0.244;rport=49160
From: "William Peters"<sip:200@192.168.0.4>;tag=5b11b72f
To: "William Peters"<sip:200@192.168.0.4>;tag=as5d095ac8
Call-ID: MjUwMDI5YjMwMjNiMDcxZGExNWYzMDE1NjI0OTQ5OGE.
CSeq: 1 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Content-Length: 0


---
Scheduling destruction of call 'MjUwMDI5YjMwMjNiMDcxZGExNWYzMDE1NjI0OTQ5OGE.' in 15000 ms
Destroying call 'MjUwMDI5YjMwMjNiMDcxZGExNWYzMDE1NjI0OTQ5OGE.'
naru*CLI>