RFC states that Moved Temporarily should be replied with an INVITE to the CONTACT uri. Note the port is 5065. Asterisk isn't responding on that port.
##
U +0.000679 openser:5060 -> asterisk:5060
SIP/2.0 302 Moved Temporarily.
FROM: "Jon Webster"<sip:3149@asterisk>;tag=as0edcdb0c.
TO: <sip:8889090@openser>;tag=a583933aa2.
CSEQ: 102 INVITE.
CALL-ID: 57e90bda03e854e709ad4afd2f171c1b@asterisk.
MAX-FORWARDS: 70.
VIA: SIP/2.0/UDP asterisk:5060;branch=z9hG4bK289e02b9;rport=5060.
CONTENT-LENGTH: 0.
SERVER: RTCC/2.0.6017.0.
CONTACT: <sip:9090@openser:5065;transport=TCP>.
.
###
U +0.005270 asterisk:5060 -> openser:5060
ACK sip:8889090@openser SIP/2.0.
Via: SIP/2.0/UDP asterisk:5060;branch=z9hG4bK289e02b9;rport.
From: "Jon Webster" <sip:3149@asterisk>;tag=as0edcdb0c.
To: <sip:8889090@openser>;tag=a583933aa2.
Contact: <sip:3149@asterisk>.
Call-ID: 57e90bda03e854e709ad4afd2f171c1b@asterisk.
CSeq: 102 ACK.
User-Agent: Asterisk PBX.
Max-Forwards: 70.
Content-Length: 0.
.