[SIPForum-discussion] SIP using NAT

vijaÿ vijaysuryavanshi at gmail.com
Fri Feb 23 00:35:07 UTC 2007


There are several RFC's out there which address this scenario (SIP
Traversal over NAT). Some of the RFC's are listed below:

RFC 3489
RFC 3581
internet draft -


On 2/22/07, John Mosso <alexander.mosso at nekotec.com.mx> wrote:
>  Greetings.
> I have a SIP server behind NAT and I want extern SIP phones to use it.
> Everything works fine with internal phones.
> I need to know exaclty how does it works... what parameters do I have to
> change in the headers and SDP content.
> Does anyone have or know a good document whit this information?
> Thanks in advance.
> John.
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