Note that the multiple paths are not translated into multiple Route headers on the invite. This causes the edge proxy to only check the first entry in the route, conclude it is self, then follow the contact, instead of following the second path.

gistfile1.txt

Registration received by registrar:

REGISTER sip:codeminer.com.br:5070 SIP/2.0
	Via: SIP/2.0/UDP 192.168.231.13;branch=z9hG4bK6ef.9071b3b502c6e0bf84b7e3963de594b2.0;i=81
	Via: SIP/2.0/TCP 192.168.231.14:5070;rport=39087;branch=z9hG4bK6ef.a57374df4146309b7a85dcc395fa8d41.0
	v: SIP/2.0/UDP 192.168.231.14:5060;received=192.168.231.14;branch=z9hG4bK53148025;rport=5060
	f: <sip:destination_023@codeminer.com.br>;tag=as5d260416
	t: <sip:destination_023@codeminer.com.br>
	i: 7fb09d346f80c5e576b1e7d333cd62ba@127.0.1.1
	CSeq: 103 REGISTER
	User-Agent: Asterisk with Adhearsion
	Max-Forwards: 69
	Authorization: Digest username="destination_023@codeminer.com.br", realm="codeminer.com.br", algorithm=MD5, uri="sip:codeminer.com.br:5070", nonce="VIBBUFSAQCR8CKsmhOogF0jQ6Nkb2Ded", response="4822bbafa0f1ea5fc52dc8825bad6c8b"
	Expires: 120
	m: <sip:s@192.168.231.14>
	o: registration
	l: 0
	Path: <sip:192.168.231.13;lr>
	Path: <sip:192.168.231.14:5070;transport=tcp;lr>
	
INVITE processed by registrar:

	INVITE sip:s@192.168.231.14 SIP/2.0
	Record-Route: <sip:192.168.231.10;lr=on>
	Record-Route: <sip:6qZ363v3UxDzOwXAqOcLE8vAqOcB1mE=@192.168.231.11;r2=on;lr=on>
	Record-Route: <sip:6qZ363v3UxDzOwXAqOcLE8vAqOcB1mE=@192.168.231.11:5067;transport=ws;r2=on;lr=on>
	Via: SIP/2.0/UDP 192.168.231.10;branch=z9hG4bK696c.07782e3ee1b570dcbd4023b2ee8cb1d7.0
	Route: <sip:192.168.231.13;lr>,<sip:192.168.231.14:5070;transport=tcp;lr>
	Via: SIP/2.0/UDP 192.168.231.11;branch=z9hG4bK696c.b21b1bbeab8dcd64774175eba37601ba.0
	Via: SIP/2.0/WS h4thjeqgku5d.invalid;rport=54881;received=192.168.231.1;branch=z9hG4bK957936
	Max-Forwards: 68
	To: <sip:destination_023@codeminer.com.br>
	From: <sip:anonymous.qrc6uv@anonymous.invalid>;tag=2if2icg4ce
	Call-ID: 7mt8is3ei5ia2gmhsgu7
	CSeq: 8134 INVITE
	X-User-Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.71 Safari/537.36
	X-Origin:http://localhost:3000/destinations/23
	Contact: <sip:8sv9sa36@h4thjeqgku5d.invalid;transport=ws;ob>
	Allow: ACK,CANCEL,BYE,OPTIONS,INFO,NOTIFY,INVITE
	Content-Type: application/sdp
	Supported: 100rel,outbound
	User-Agent: SIP.js/0.6.2
	Content-Length: 2580