[Asterisk-Users] SIP/nat situation

[Alex Vishnev]

Pizco,

SER is definitely better suited to deal with NAT issues then ASTERISK is. I
suggest looking at SER and NAT helpers like media proxy application (part of
SER). I also recommend looking at NAT devices at SER wiki page to make sure
that your router/nat device is compatible. In general, this is doable, but
will require a lot of playing around to get it right. There are a lot of
threads on both SER and ASTERISK wiki site to get both working nicely
together. 

Asterisk/SER Wiki Site www.voip-info.org

HTH

Alex

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Pizco
Dominguez
Sent: Wednesday, May 18, 2005 8:23 AM
To: asterisk-users at lists.digium.com
Subject: [Asterisk-Users] SIP/nat situation

Hi.

We are trying to set up asterisk to service a wireless community in our
town.

We have about 30/40 wireless working nodes each one with a 10.34.x.x/24
subnet for users. Each one of these addresses can potentially have a
192.168.x.x/x subnet.

On top, the wireless nodes, themselves, are linked in 172.16.x.x/x
subnets.

On top of the top, there is internet and cool things for people, like
iptel, fwd, etc.

If there is SIP paradise, our set up is most definitely nearer to hell,
regarding nat, because no one knows which kind of address the asterisk
client is going to come up with.

The more I fiddle with asterisk and read this list, the bigger my doubts
about the possibility of making asterisk (SIP) work for most of us (it
already works for some).

A friend suggested that maybe putting up one or two asterisk boxes to
work and using SER in strategically choosen nodes we could get away with it.

I'm having a look at SER and think that maybe it could work for us, but
wanted to check with some other people before diving into the unknown.

Answers like "Give it a try",  "Don't even think of it" or "Better back
to tam-tam and smoke signalling" are wellcome.

Thanks for your time.

-- 
Pizco Dominguez
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