Re: [OpenSBC] NAT Traversal for a newbie (SBC config) ---- Please help

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

you will need to setup opensbc in B2BUpperReg Mode.  You may then set it 
as the outbound proxy for you user agents and point your domain to the 
address of your trixbox.

Registration call-flow.   UA -> OpenSBC -> Trixbox (Your domain should 
point to the address of the trixbox and not SBC)

All calls should also pass through opensbc as both ingress and egress 
proxy.   OpenSBC will always attempt to proxy the media for NATted calls 
or audio will not traverese the NAT.



Eric wrote:
> My goal:  to enable remote users access to my trixbox from behind their LANs... (PnP capabilty) 
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> Currently we have a trixbox on a public IP that is working great, but requires port forwarding on the remote user's routers to work.
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> We now have OpenSBC running on a box within the same LAN that also has it's own public IP. 
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> >From what I understand we'll need to point remote users to the IP of the SBC to bypass the NAT issue... 
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> Now I haven't the slightest clue how to configure the SBC...  I would like the SBC to only manage the SIP traffic and not proxy the RTP if possible.
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> I really appreciate any input... Thanks in advance. 
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>  -Eric
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