Re: [Ekiga-list] Conf. about Ports / Callback video problem (Damien Sandras)

[Damien Sandras <dsandras seconix com>]

Le jeudi 22 janvier 2009 à 20:47 +0100, Wolfram Wagner a écrit :
> Le mercredi 21 janvier 2009 ? 09:01 +0100, Wolfram Wagner a ?crit :
> > Hello Samien,
> > At first: I really appreciate that you care personnally about us!
> > 
> > I have continued my tests. I used wireshark to track the traffic and logged 
> > the output.  As much as I can see in the SIP packages, everything seems to 
> > work as I have set it up in gconf:
> > 
> > CallPort 5080 (5060 can not be forwarded in Fritzbox)
> > Port Range: 5080:5100 (I tried to avoid possible conflicts with ports used 
> by 
> > Fritzbox)
> > 
> > I have forwarded these udp ports to my computer and allowed them to be 
> > received in firewall.
> > 
> > A call to 500 ekiga net works fine: I get video and sound back.
> > A call to 520 ekiga net to get a callback works until I usually get the 
> video 
> > from echo call: I get no video... Sound is fine.
> > 
> > I have tried to understand the ekiga debug output, but it is a lot and so I 
> > have not found the problem. 
> > I saw that ekiga requested the video to be send to port: 5094
> > But the statistic at the end shows zero received packages... Also wireshark 
> > shows no video comming in... I have triple checked my fritzbox already,
> > but I have no clue...
> > 
> > I have uploaded the file to that place:
> >  
> http://www.mediafire.com/?sharekey=54955cbbd99078f900d27174b47c6657e04e75f6e8ebb871
> > It would be nice, if you would have a look into it!
> 
> >From Ekiga's point of view, everything looks normal.
> 
> You wrote:
> >Are you sure that you wait enough time ? Because Asterisk starts sending
> >video only after 20 seconds...
> 
> Yes I am sure. Today I let it run for good 5 minutes... The same result. Do 
> you aggree, that the reason must be that the video packages do not reach me?
> 
> I have not understood completely the mechanisms around SIP. Which component 
> (me or the server) is doing the connect action? 

With the callback, it is the server.

> My computer is not restricted in accessing the internet (in to out). From 
> outside I have forwarded the ports in question and allowed the internet to 
> connect to those ports.
> What is the difference between the echo and the callback request in matter of 
> the return video transmission?
> What is happening behind the curtain?

Nothing changes... Perhaps you should try with another user calling you
and see if it is the same problem.
-- 
 _     Damien Sandras
(o-      
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