8 - SDP is searched for occurrence of RFC1918 addresses
So I gues you call nat_uac_test("8") for a request which does not have a
body at all. You could use has_body from textops module to extend the
check, e.g:
if (has_body("application/sdp") && nat_uac_test("8")) {
...
regards
klaus
Am 28.04.2011 18:25, schrieb alex pappas:
> Dear all,
>
> I see in my logs that when the call enters the route :
>
> # Caller NAT detection route
> route[NAT] {
> #!ifdef WITH_NAT
> xlog("alx --- ROUTE NAT , we have nat ---");
> force_rport();
> *if (nat_uac_test("8")) {*
> if (method=="REGISTER") {
> fix_nated_register();
> } else {
> fix_nated_contact();
> }
> setflag(FLT_NATS);
> xlog("alx --- ROUTE NAT , set flag FLT_NATS ---");
> }
> #!endif
> return;
> }
>
> I get the following error:
>
> nathelper [nhelpr_funcs.c:195]: *message body has length zero*
> nathelper [nathelper.c:1184]: *cannot extract body from msg!*
>
> From traces i see that only in the SDP I have an IP which is not public
> but even with that I cannot engage the RTPPROXY.
>
> My Kamailio version is 3.1.3 and the config file is plain , from
> installation.
>
> Any ideas?
>
> Thank you Alex
>
>
>
>
>
>
> On Sun, Apr 17, 2011 at 2:20 PM, alex pappas <rebel.pappas@gmail.com
> <mailto:rebel.pappas@gmail.com>> wrote:
>
> Dear Alex,
>
> The configuration is the default with WITH_NAT defined.
> I have some extra logs (xlog("RTPPROXY started..")) enabled in the
> RTPPROXY route in order to understand if it is engaged or not.
>
> When I make calls behind NAT the RTPPROXY is engaged but I don't see
> any RTP in traces.
>
> Do you have any idea on how can I keep the RTP?
>
> Thanks
> Alex Pappas
>
>
>
>
> On Fri, Apr 15, 2011 at 6:43 PM, Alex Balashov
> <abalashov@evaristesys.com <mailto:abalashov@evaristesys.com>> wrote:> sr-users@lists.sip-router.org <mailto:sr-users@lists.sip-router.org>
>
> On 04/15/2011 09:58 AM, alex pappas wrote:
>
> I have a Kamailio with RTPoxy configured. The purpose is to
> pass the
> RTP from this server.
> When I make calls behind NAT the RTProxy seems to be engaged
> but in
> traces I don't see any RTP.
>
> Is there anything wrong with the idea or I'm missing
> something in the
> configuration ?
>
>
> That would be difficult to know without seeing your configuration.
>
> --
> Alex Balashov - Principal
> Evariste Systems LLC
> 260 Peachtree Street NW
> Suite 2200
> Atlanta, GA 30303
> Tel: +1-678-954-0670
> Fax: +1-404-961-1892
> Web: http://www.evaristesys.com/
>
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>
>
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