Eric Rescorla wrote:
[snip]
> And this has what to do with RFC 4474 or DTLS-SRTP? This is a pure
> routing issue: the GW needs to know what proxy to contact for phone
> number X. That configuration could (or could not) contain an
> indicator of whether 4916 is expected and what certificate should
> be used.
There's a difference between knowing a place to send the request so that
it will eventually reach the right destination, and knowing the ultimate
destination. There could be a *lot* of GWs, that typically are pretty
dumb, and depend on some other routing element (e.g. proxy) to get the
request to the right place.
You seem to be saying that the GW needs to know a lot more than that to
secure the call. Far from ideal. Is that right, or am I missing something?
Paul
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