2009/2/25 Andrew Wood <[email protected]>:
> What is the recommended way to identify a dialog at a proxy given that
> the To tag will initially be absent and the Call-ID may not be unique
> if the caller is behind NAT?

Why the Call-ID may not be unique if the caller is behind NAT?? It
makes no sense. Each Call-ID will be unnique even if the caller is
behind NAT.
Also you forget the From tag which is also unique.


-- 
Iñaki Baz Castillo
<[email protected]>

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