Re: [OpenSIPStack] [OpenSBC] OpenSBC behind NAT/router

[Joegen E. B. <joe...@gm...>]

Hi Roland,

There is no provision yet to set the contact address for opensbc to bind 
to the external NAT IP.   However most SIP implementations already 
support RFC 3581 (see http://www.opensipstack.org/rfc/rfc3581.txt ) so 
there might not be a need to change the contact uri.

Joegen


Roland Auckenthaler wrote:
> Hi Joegen,
>
> Last week i was back in the office and able to do some tests. I set the "Static RTP Media Address" to the public ip address and now the RTP seems to get streamed from the client the the public ip address. I still need to check if the NAT router will forward the RTP packets. 
>
> However i have also found that the Contact in the 200OK shows that internal IP adress rather than the public ip-address of the SBC behind the NAT. Is there a config field to "force" the SBC to pass back a specific IP address in the contact header of the 200OK?
>
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