Rafael J. Risco G.V. wrote:
Hi
does anyone has a working example for this escenario?
I am working on this same situation.
I can make it work if I define a specific URI length/prefix to always be
treated as 'local' - meaning we don't want to 'fix' the SDP for say all
3 digit 'extensions'
I call resetflag(6) (i am using 6 for my NAT detection flag) for those
URIs i don't want to use the mediaproxy (i use mediaproxy)
This situation will only work if there is a SINGLE layer of NAT at the
'customer' premise. If there is more than one NAT behind the same
public IP this may (will not) work.
In my route block I do
...
if (uri =~ "^sip:[EMAIL PROTECTED]") {
resetflag(6);
resetflag(7);
}
...
lookup('location');
...
# If NAT is previously detected, proxy
if (isflagset(6) || isflagset(7)) {
use_media_proxy();
};
route(1);
} // End route
Then:
onreply_route[1] {
if ((isflagset(6) || isflagset(7)) &&
(status=~"(180)|(183)|2[0-9][0-9]")) {
if (!search("^Content-Length:\ +0")) {
use_media_proxy();
};
};
if (client_nat_test("1")) {
fix_nated_contact();
};
}
Jeremy McNamara
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