[Asterisk-Users] Snom 200

Ernest W. Lessenger ernest at oacys.com
Mon Mar 22 12:47:17 MST 2004

At 11:39 AM 3/22/2004, you wrote:
>It seems I can't hear the Say Time, due to RTP Double NAT
>I'm guess this is both problem 1 and 2 really issue.
>My config:
>IP Phone <-> Router (Nat) <-> Internet <-> Linux (NAT) <-> * Server
>ANyone know of work arounds the double NAT? or other methods
>to route RTP with snom 200s, to work around this?

The best workaround I know of is to use a VPN or other encapsulating 
technology to avoid the NAT problem entirely. I don't know that there is 
any reliable _and_ universal way to deal with "double NAT" and RTP.


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