Christian Huitema wrote:
STUN is indeed a great protocol, with all the right
authors, but it makes a couple of assumptions about the
type of NATs and about the structure of the network.
Indeed, but its assumptions are well in line with the predicted
We were talking about SIP; enterprises do not have too much of a problem
with SIP and NAT, because a) they have a somehow knowledgeable staff b)
they can deploy gateways/proxies/whatever at the edge of their network,
where NAT occurs. If SIPPhone and FWD can deploy SIP proxies, so can
Microsoft, Cisco, and a bunch of others. SIPPhone, FWD and consorts do
already connect together and there are beta tests to connect private
Call Manager domains to them.