[asterisk-users] Re: Understanding NAT Traversal

[Tim Panton]

On 11 Oct 2006, at 07:44, Martin Joseph wrote:

> On 2006-10-10 18:12:23 -0700, hugolivude <hugolivude at gmail.com> said:
>
>> An Internet browser uses port 80.  I might have two or more behind a
>> NAT both using port 80.  Isn't that the same thing?
>
> Remember that the browser INITIATES all activity on the port 80  
> transfers.  There is no data "coming in out of the blue" to you  
> browser.
>
> This makes it MUCH simpler for you NAT to send the right data to  
> the right machine.

Which is exactly why IAX is so much better than SIP at this stuff.




Tim Panton

www.mexuar.com