Re: [Ekiga-list] ekiga behind speedtouch 780 home gateway

[Damien Sandras <dsandras seconix com>]

Le jeudi 22 novembre 2007 à 09:13 +0100, SZABO Zsolt a écrit :
> Hi,
> 
> I've got the following problem (Ekiga 2.0.9 for etch):
> 
> I CAN use ekiga through a vpn tunnel (of my office), when I setup the vpn 
> as the default gateway and enable the ports 5000:5100 in the FORWARD chain
> at the firewall of the office. To more precisely say, the echo test on 
> 500 ekiga net seems to work (I can hear the welcome message and later my 
> voice).
> 
> However, I would like to setup ekiga without this vpn hack. When I forward 
> the port 5000:5100 on the SpeedTouch home gw to my linux box ekiga CAN 
> register either setting the NAT mode to STUN or IP translation.
> I have also succeeded in connecting to 500 ekiga net but I CANNOT hear 
> anything! I have checked my registration by logging in ekiga.net, and I 
> see: myaccount adsl ip num ber:4053
> 
> That was a bit strange, thus I set back the default gw to the vpn, and 
> rerun ekiga and the echo test (with success) and checked the registration 
> at ekiga.net again: myaccount myoffice gw ip num:5061 ...
> 
> So, setting the default gw to my home gateway and rerunning ekiga a couple 
> of times and testing the registration showed every time different port 
> number out of the range 5000:5100. Thus I have enabled the port forwarding 
> on SpeedTouch  home gw for ports 4000:5900, and checked the registration 
> again: the port was 5902! (Earlier I had also tried to forward all port on 
> the home gw (1:65535) but as fas as I remember that did not work at 
> all...)
> 

I suppose your router supports SIP and rewrites the packets.

You can try two things : 
1) use no IP translation and no stun
2) disable SIP support on your router

I am nearly sure it is the problem, the 4053 does not look correct.
-- 
 _     Damien Sandras
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