Re: [Ekiga-list] no incoming calls behing an ADSL modem

["W.P." <laurentp wp pl>]

Użytkownik Damien Sandras napisał:
> Le samedi 28 février 2009 à 16:20 -0500, H. S. a écrit :
>   
>> On Sat, Feb 28, 2009 at 3:49 PM, H. S. <hs samix gmail com> wrote:
>>         Hi,
>>         
>>         I have just convinced a few of my friends to move from Skype
>>         to Ekiga.
>>         
>>         While testing with one of them, we noticed that he can call me
>>         sucessfully but I cannot call him. If I try calling his sip
>>         address, I get a message in the status "Remote user is
>>         unreachable". That user is behing a modem which is working in
>>         pppoe mode. His computer computer has a private address. While
>>         configure Ekiga, the stun was selected in the network setting.
>>         His computer is Ubuntu Hardy, Ekiga 2.0.12.
>>         
>>         How do we go about solving this problem?
>>         
>>         Thanks.
>>         PS: With echo cancellation off, the voice quality is at least
>>         as good as we get with Skype. Good job, ekiga devels! But with
>>         echo cancellation on, the quality is not as good. Proving that
>>         the suggestion in online docs to use headsets is a good
>>         once :)
>>
>> hmm ... he restarted Ekiga and now I am able to call him, even across
>> the pppoe ADSL modem. Looks like a restart of Ekiga fixed something.
>> Does that show what could have been missed?
>>     
>
> Most probably the NAT binding expired. If it is reproducable, perhaps he could try setting a lower
> value in /apps/ekiga/protocols/sip/binding_timeout using gconftool-2,
> gconf-editor or your favorite text editor if it is on windows.
>   
If it is NAT-time problem, wouldn't it be better to simply forward ports
used by Ekiga on router (5060-5100 for SIP)?

W.P.