[SIPForum-discussion] how to create pin hole in NAT

Saurabh Agarwal sagarwal1981 at gmail.com
Wed Apr 11 14:50:28 UTC 2007


I think u need a TURN server for RTP data on symmetric NAT's.
I am also new to SIP so my knowlendge is somewhat restricted.

On 4/11/07, anilkumar mantena <anilkumarmanthena at yahoo.com> wrote:
>
> Hi
>
> Thank you surabh.  But my problem is I'm able to establish the session
> with the proxy using SIP.  I'm behind Symmetric NAT.  I'm testing my
> application (VoIP) within my LAN (but using Internet and SIP
> REGISTER/INVITE.  But i'm not able to send/receive RTP packets.  For that,
> what I've to do?  I read that if you are behind symmetric NAT you can't
> receive RTP packets if you use STUN.  Is it correct?  Please provide me the
> solution.
>
> Thanks in advance.
> Anilkumar Manthena
>
> *Saurabh Agarwal <sagarwal1981 at gmail.com>* wrote:
>
> Hi,
> I guess whenever you will send a message through the NAT it will
> automatically create the
> pinhole in the NAT ,now it is the functionality of NAT to receive incoming
> packets on that
>  pinhole and send  to you .
>
> Thanks
> Saurabh
>
> On 4/11/07, anilkumar mantena <anilkumarmanthena at yahoo.com> wrote:
> >
> >  Hi
> >
> > How to create pin hole in NAT?
> > How to create RTP no-op?
> >
> > Thanks & Regards
> > Anilkumar Manthena
> >
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>
> --
> Thanks
> Saurabh Agarwal
> 973-794-2837
> ( Please call between 1-2Pm or preferably after 6:30 Pm on weekdays)
>
>
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-- 
Thanks
Saurabh Agarwal
973-794-2837
( Please call between 1-2Pm or preferably after 6:30 Pm on weekdays)
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