[asterisk-users] Re: Understanding NAT Traversal

[Martin Joseph]

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.