[Serusers] There is something about NAT and VoIP I don't understand.

[Jan Janak]

If no end-to-end communication is possible then SER rewrites the IP in
SDP with the IP of RTP proxy that will relay all the media traffic.

  Jan.

On 13-09 22:32, Brian OBrien wrote:
> I can see where a NAT proxey server will know the true
> ip address of a client and do appropriate translations
> of IP addresses in SIP headers.  However once SIP is
> done and voice is transmitted point to point with RTP
> how do the RTP packets get through the NATs? (unless
> port forwarding has been configured on the NAT which
> from what I can tell it hasn't)
> 
> B.
> 
> 
> 
> 
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