I don't know exactly, it is bug or it is not bug.
I solved the problem this way (in global on_reply route):
onreply_route {
if ([here i filter only b2b replies]) {
if (nat_uac_test("1")) fix_nated_contact();
if ( (!search("^Content-Length:[ ]*0")) &&
(nat_uac_test("8")) ) fix_nated_sdp("10");
}
}
So, this commands executes before b2b_logic module and everything works well.
No NAT on this host (it processed on another proxies), but nathelper
only in onreply_route used.
--
С уважением,
Николай
2012/3/27 Nick <[email protected]>:
> B2Blogic module changes Contact header in INVITE and other SIP
> requests, but doesn't change it in 200 OK reply.
> The result is ACK from UAC goes to host from untouched Contact header,
> but I think that Contact should be substituted by b2blogic module to
> opensips contact, then ACK will go to right destination.
>
> --
> Nick
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