Hello,

On 11/15/06 14:08, raviprakash sunkara wrote:

Hello Daniel Thanks for reply me...

if U keep My Sip Server direct from Modem( ISP ) to System , Its working fine, But problem is when keep My sip Server Behind the Router/Firewall it not working, UAC's behind the NAT is not Hungup and Audio is Fine at end points... Help me ............

check what happens on the firewall/nat, if the messages are forwarded properly between public and private networks. ngrep or ethereal should help here ...

Cheers, Daniel

On 11/15/06, *Daniel-Constantin Mierla* <daniel@voice-system.ro mailto:daniel@voice-system.ro> wrote:

Hello,

stun is recommended when the client properly implements it and
does not
sit behind a symmetric NAT (like linux box). For these cases you
need to
use server side nat traversal, look at nathelper/rtpptoxy or
mediaproxy/mediaproxy.

Cheers,
Daniel


On 11/13/06 16:29, raviprakash sunkara wrote:
> Hello Users,
>
> Can I use the Stun server to Support  the NAT.
>
> I tried a lot , My UAC's are Not Hungupping  in Behind the
NAT/Router
>
> My SIP   ip  is 192.168.2.75 <http://192.168.2.75>
<http://192.168.2.75 >
> My Public IP is xx.xx.xx.xx
>
> I didn't get any Bye request to SIP server, except the Bye all the
> other Messages are Requested to MY SIP Server
>
> in openser.cfg
> i
> I'm using X-lites for testing in that
> RTP port 12222
> NAT firewall ip is 192.168.2.1 <http://192.168.2.1>
<http://192.168.2.1>
> Sip domain is xx.xx.xx.xx
> Sip proxy     xx.xx.xx.xx
> ______________________________________________
> modparam ("nathelper",rtpproxy_sock","udp: 192.168.2.75:12222
<http://192.168.2.75:12222>
> <http://192.168.2.75:12222>"
>
> if(nat_uac_test("19"))
> {
>             if(method=="REGISTER")
>            {
>                      fix_nated_register();
>                      force_rport();
>                       setflag(6);
>           } else
>            {
>
>                        if(method=="INVITE")
>                        {
>                          fix_nated_sdp("3")
>                       };
>                      fix_nated_contact();
>           };
>   };
> ______________________________________________
> --
> Thanks and Regards
> Ravi Prakash Sunkara
> ravi.sunkara@hyperion-tech.com
<mailto:ravi.sunkara@hyperion-tech.com>
<mailto:ravi.sunkara@hyperion-tech.com
<mailto:ravi.sunkara@hyperion-tech.com>>
> M:+91 9985077535
> O:+91 40 23114549
> F:+91 40 40208727
> ravi.sunkara@hyperion-tech.com
<mailto:ravi.sunkara@hyperion-tech.com> <mailto:
ravi.sunkara@hyperion-tech.com
<mailto:ravi.sunkara@hyperion-tech.com>>
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<http://www.hyperion-tech.com>
>
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-- Thanks and Regards Ravi Prakash Sunkara ravi.sunkara@hyperion-tech.com mailto:ravi.sunkara@hyperion-tech.com M:+91 9985077535 O:+91 40 23114549 F:+91 40 40208727 ravi.sunkara@hyperion-tech.com mailto:ravi.sunkara@hyperion-tech.com www.hyperion-tech.com http://www.hyperion-tech.com