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* <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> 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
    > [EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]>
    <mailto:[EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]>>
    > M:+91 9985077535
    > O:+91 40 23114549
    > F:+91 40 40208727
    > [EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]> <mailto:
    [EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]>>
    > www.hyperion-tech.com <http://www.hyperion-tech.com>
    <http://www.hyperion-tech.com>
    >
    ------------------------------------------------------------------------

    >
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    >




--
Thanks and Regards
Ravi Prakash Sunkara
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
M:+91 9985077535
O:+91 40 23114549
F:+91 40 40208727
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
www.hyperion-tech.com <http://www.hyperion-tech.com>

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