Check this one out: http://wiki.freeswitch.org/wiki/NAT_Traversal#NDLB-connectile-dysfunction -MC On Mon, Nov 7, 2011 at 11:30 PM, fieldpeak <fieldpeak@gmail.com> wrote:
Dear Friends,
i met a problem that call a registered user behind NAT, i need FS send INVITE message to the port of the NAT device from which the registered user sent out REGISTRATION but not according to the CONTACT header.
see the wiki, i enable below paramter, <param name="NDLB-force-rport" value="true"/>
From the wireshark trace, it shows FS received the REGISTERATION message from remote port 20438, however, the INVITE message still sent to the port(20347) inside "Contact", it looks the paramter "NDLB-force-rport" did not effect, Could anyone help for this issue, thanks a lot!
Below is the registeration info from FS output (press F9),
Call-ID: 1721091027@10.33.48.203 User: 13580358068@124.193.106.104 Contact: "user" <sip:13580358068@61.144.248.77:20347> Agent: Status: Registered(UDP)(unknown) EXP(2011-11-08 14:38:02) EXPSECS(152) Host: freeswitch IP: 61.144.248.77 Port: 20438 Auth-User: 13580358068 Auth-Realm: 124.193.106.104 MWI-Account: 13580358068@124.193.106.104
Cheers! BR, Charles
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