Re: [Ekiga-list] Echo tests on ekiga

[ael <law_ence dev ntlworld com>]

On Mon, Feb 23, 2015 at 03:43:43PM +0100, Damien Sandras wrote:
> Le lundi 23 février 2015 à 14:35 +0000, ael a écrit :
>
> > I am trying to understand properly how to navigate firewalls using
> > ekiga. I have read the wiki and even contributed to it in the past.
> >
> > I attach the two simple (wide) text flow recordings from wireshark
> > of the successful and failed calls. Wireshark does not decode the
> > udp audio packets in the successful call, so that is not shown.
> >
> > In the failed call to 500 ekiga net, the first INVITE goes out,
> > and ekiga.net replies with the 407 Authentication request.
> > ekiga responds with the ACK and the modified INVITE, but ekiga.net
> > never responds (or is blocked by the firewall) thereafter.
>
>
> My suspicion would be that too many audio codecs are enabled and you
> reach the MTU once the authentication information
> has been added : the packet never reaches ekiga.net.
>
> Can you try removing some codecs ?

Yes. I found that all 7 of the video codecs were enabled! I hadn't
thought of looking there because I was just testing audio.

Seems a bit wrong headed that my distribution (debian for now) ship
by default a configuration that can't connect to the standard echo test.

Thanks very much. I should have thought of that myself...

ael