[Serusers] NAT NAT..and a little more NAT

[Greger V. Teigre]

Excellent! That means that the issues I have seen were probably related to 
some other things that I could'nt distinguish from direction=active at the 
time. Then it's worth picking up again.
g-)

Juha Heinanen wrote:
> Greger V. Teigre writes:
>
>> I suspect this is one of those questions where you know the answer
>> ;-) Yes, you're of course right.  You inject a direction=active in
>> the failure_route, so that the GW will wait for the media before
>> sending.  However, I have had some issues with some clients that I
>> haven't really figured completely out yet and I'm trying to be
>> conservative.  Do you have experiences where this work? If so, which
>> GWs and clients do you have good experiences with?
>
> in my configuration, i have always used pstn gw both directions
> without mediaproxy.  proxy just adds direction=active to sdp towards
> gw if sip ua sis behind nat.  i didn't know that there may be some
> issues.  my gws are ciscos and i have had various sip uas such as
> grandstreams, cisco atas, sipuras, kphone, etc.
>
> -- juha