Callee behind NAT

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I moved this question from the developers list.

I have put a small list of NAT traversal strategies and whether they are supported and require media proxying by GNUGK if on the outside of the NAT.

Calls from behind NAT.
Registered                 supported             proxy.
unregistered not supported. Note: Patch pending to add support (proxy).

Calls to NATed EPs
Registered                 not supported      returns reason "User unreachable"
GnuGK aware EP       supported           proxy  (using GNUGK Nat feature)
GnuGK on NAT           supported          proxy  (only to GNUGK outside NAT)

NAT Traversal Strategies (require help from NAT box or external helper)
Port forward               supported    proxy.
Port forward Masq. supported No proxy. (using the external IP of the NAT) STUN supported No proxy (not work with some NATs) UPnP supported No proxy (Require compatible NAT box)

Calls between EP's behind same NAT
Registered                 supported          No proxy

Note: You will need to enable support for NATed EPs in the settings.

I hope this helps and clears a few things up.

Simon


At 02:54 AM 5/01/2006, you wrote:
Hello,

I have 2 questions:

1.Is there possibility  for  called endpoint  to be behind the NAT ?

2.Is there possibility for called endpoint to be behind the same NAT as the GK ?

I've tried with routed mode gnugk -r -tt but when i make call gatekeeper is trying to open rtp proxy channel


Regards,
Maciek



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