Re: [Ekiga-list] Can't call landlines with other provider

[yannick <sevmek free fr>]

Reimundo Heluani a écrit :
> On Fri, 2009-08-14 at 20:19 -0700, Reimundo Heluani wrote:
>> On Thu, 2009-08-13 at 18:53 +0200, yannick wrote:
>>> Reimundo Heluani a écrit :
>>>> Hello List, I am new to SIP and I just built ekiga 3.2.5 from source on
>>>> a LFS Linux 86x_64 2.6.29.5. I can run the echo test and it works fine,
>>>> but if I try to use my voipdiscount.com account, about 10 seconds after
>>>> dialing out it says "User not available" regardless of the phone dialed.
>>>>
>>>> The problem is that I don't really know how to start debugging this, is
>>>> there a debug mode for Ekiga?
>>>>
>>> Yes, please provide us a debug output:
>>> http://wiki.ekiga.org/index.php/Debugging_Ekiga#How_to_get_a_debug_output
>>>
>> Allright, so I can see this line
>>
>> "2009/08/13 12:28:54.066   0:10.376         CallSetup:0xf0358910 SIP
>> PDU is likely too large (1615 bytes) for UDP datagram."
>>
>> is this related to 
>>
>> http://bugzilla.gnome.org/show_bug.cgi?id=341518
>>
>> and if so, my MTU on my ethernet card can be to 4000 and it still fails.
>> Also, the echo test still works and the log shows those lines anyways.
>> Finally, running from another Linux and Ekiga 3.2.0 I can call with
>> voipdiscount.com and the logs don't show those lines abot the PDU being
>> too large.
>>
>> R.
> 
> Ok, so deleting all codecs but gsm I can get the call finally, so I
> guess it was #34518. I'll play a little with MTU vs. allowing some
> codecs, could you guys tell me more or less what's a good combination? 
> 

Hi,

Do not play with the MTU, just reduce the number of codecs until you can
place the call. I advice to keep PCMA, PCMU, Speex 16, G722, GSM for
audio, Theora and H263 for video. This should give you nice
interoperability and nice quality.

Best regards,
Yannick