[standards-jig] Re: VoIP, JEP-0065 and UDP?

Matthias Wimmer m at tthias.net
Sun Jan 25 16:46:33 UTC 2004

Hi Jesper!

Jesper Krogh schrieb am 2004-01-25 16:17:15:
> I haven't seen any describtions on how that should be possible.. could
> you describe it? 

Just by sending each other a UDP packet on the right ports, the
association gets stored by the NAT router. The first packet won't get
delivered, as the destination NAT does not yet know where to deliver it,
but as soon as the destination host has sent the first UDP packet as
well, both NAT routers know where to deliver incoming UDP packets.

... it's just the same as with an external proxy.

Tot kijk
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