Hi Halomoan,
Mainly because the NAT detection on SIP replied is very poor - you can
check only if the contact address is a private one or not. The other nat
test are not applicable for replies (but only for requests).
Anthow, when you process the request, you learn that the calee is behind
NAT, so you can simple remember this (in RR) than detecting it each time
when receiving a reply.
regards,
bogdan
Halomoan Chow wrote:
Dear All
I don't understand why in the Openser+MediaProxy i need
record_route_preset("x.x.x.x:5060;nat=yes"); and
search("^Route:.*;nat=yes")
What is the purpose while I can do client_nat_test to see if the
request is come from a nat-ed client.
If I remove search("^Route:.*;nat=yes") from below statement, I can do
re-INVITE without any problem because it still have client_nat_test to
find out the nat in between.
if (client_nat_test("3") || search("^Route:.*;nat=yes")) {
setbflag(6);
use_media_proxy();
};
Hope someone can give me a clue.
Thank you.
Regards,
Halomoan
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