Video conferencing

[Michael Wiktowy]

On 2/1/07, Anne Wilson <cannewilson at tiscali.co.uk> wrote:
> I believe I found this in the FAQ:
>
> 6.1. How can I easily use Ekiga behind a NAT/PAT gateway?
> Ekiga has extensive and improved NAT support thanks to STUN. In 99% of the
> cases, you do not have any configuration to do, and you can even be reachable
> from the outside without any port forwarding.
> SIP only: The following explanation is valid only for SIP. Please read below
> for H.323. The first thing to do is to run the configuration assistant NAT
> test:
>   If it reports "Cone NAT" or "Port Restricted NAT" you just have to
> answer "yes" to the dialog asking you to activate STUN support. You do not
> have to do anything else. You will be reachable from the
>   outside.
>
>   If it reports "Symmetric NAT" and that you are using GNU/Linux, please use
> the script (or a variation of it) given below. You can run the NAT test
> again, you will notice that your NAT will behave as a
>   "Cone NAT" or "Port Restricted NAT" as in case 1). That script is safe, it
> does not forward any port and the default POLICY is to DROP everything.
>
>   If it reports "Symmetric NAT" and that you are not using GNU/Linux, then you
> are not part of the 99% of lucky users. You will have to forward UDP ports
> 5000 to 5100 to your internal machine. Run
>   the test again, it should report "Cone NAT" or "Port Restricted NAT" and it
> will work.

Ahhh ... good info. Here is a link for reference and context:
http://www.gnomemeeting.org/index.php?rub=3&pos=0&faqpage=x161.html#AEN163

For those who may not know, SIP is for the audio stream and H.323 is
for the video stream.

/Mike