--- (9 headers 0 lines)---
Sending to 10.9.0.17 : 5060 (NAT)
Reliably Transmitting (NAT) to 10.9.0.17:5060:
SIP/2.0 487 Request Terminated
Via: SIP/2.0/UDP 10.9.0.17:5060;branch=z9hG4bK32390749;received=10.9.0.17;rport=5060
From: "401" <sip:401@10.9.0.17>;tag=as39224a09
To: <sip:912@10.0.0.252>;tag=as7627fe9f
Call-ID: 4375d5e850f93e074e13f1a6178e047d@10.9.0.17
CSeq: 102 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Contact: <sip:912@10.0.0.252>
Content-Length: 0
X-Asterisk-HangupCause: No route to destination