[SR-Users] Kamailio send 2 Invite request for Client behind NAT

[amit Kumar]

Hi All,

Kamailio send 2 Invite request for Client behind NAT. due to this reason
for one request,Client respond with 486 Busy here. we only want to send 1
INVITE request.

Following are the AOR for client at kamailio.if field(ip port) in CONTACT
and RECEIVED differ then kamailio send 2 INVITE request. Please advice if
there is any way to send only ONE INVITE*.*

 AOR:: 123
                Contact:: sip:123@*192.168.230.124:45672
<http://192.168.230.124:45672>* Q=1
                        Expires:: 894
                        Callid:: 003A8EC4-12351 at 192.168.230.124
                        Cseq:: 2
                        User-agent:: SIPPER for 3CX Phone
                        Received:: sip:*204.192.206.208
<http://204.192.206.208>: 45672 *
                        State:: CS_NEW
                        Flags:: 0
                        Cflag:: 192
                        Socket:: udp:172.12.120.88:5060
                        Methods:: 4294967295
                        Ruid:: uloc-5aba112d-7fce-5
                        Reg-Id:: 0
                        Last-Keepalive:: 1522144583
                        Last-Modified:: 1522144583

thanks,
amit
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