There are so many possibilities here...
First, get hold of every whitepaper that you can find on NAT Traversal in SIP, so you at least understand the issue.
In my case, with Grandstream phones, I set them to use STUN, and make sure that they use a dynamic port.
Your ultimate solution will be dependent on your Phones and your Firewall, and whether you intend on registering the phones directly on Asterisk, or via a SIP proxy (like SER) first.
----- Original Message ----- From: "Paul P. Pongco" <[EMAIL PROTECTED]>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users@lists.digium.com>
Sent: Thursday, February 24, 2005 1:00 PM
Subject: [Asterisk-Users] multiple sip phones behind firewall
Hello List,
Can you please point me to the right resources on making multiple sip phones behind a firewall w/ private address work with asterisk w/c is on a public network. I have seen STUN on the grandstream and Xtunnels on X-lite. What is most deployed by members here with similar setups? Thanks.
-- Cheers,
Paul P. Pongco
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