When Skype sound gives the repeated sound breakup the console gives me the 
following:




RtApiAla: unerrun detected





RtApiAla: unerrun detected




RtApiAla: unerrun detected




I tried opening another port 60002 sometimes this occurs as the test call is 
happening.




I am sure that Geofrey Mendelson is right it's a Skype bug causing it. 




One lead I saw was replace Alsa with esound. I don't know how to do that to be 
honest. I saw this on www.linuxquestions.org 

Moshe




-----Original Message-----
From: geoffrey mendelson <geoffreymendel...@gmail.com>
To: mbrace7for...@aim.com
Cc: linux-il@cs.huji.ac.il
Sent: Fri, Sep 4, 2009 12:30 am
Subject: Re: Alsa Underrun problems with Skype











On Sep 3, 2009, at 11:44 PM, mbrace7for...@aim.com wrote: 
 

>  Sound on Skype is very unpredictable. Sometimes it works well and > 
> sometimes it doesn't. I often get brake up (pauses) with speech. Or > I find 
> that the Skype Sound settings in Options have changed. Or > before it worked 
> now it won't. 
 

I get the same problems (breakup) and other random problems under both MacOS 
and Windows on several different computers. I think it is a SKYPE problem, not 
a Linux one. 
 

You can turn on a display of packet information and see how many dropped or out 
of sequence packets you get. You can improve it if you open a UDP port on your 
router for SKYPE. The port is a user setting so you can do i
t for more than one computer if you share a router. 
 

BTW, SKYPE is very careful to keep the exact details of their protocol hidden, 
though some people have packet sniffed it. Because it is hidden, one of the 
things I can't do is to give it priority (QOS) over other things on my router. 
Therefore SKYPE is often a less than desirable way for me to communicate. I use 
SKYPE, and yes they do get some of my money, but most of my money goes to SIP 
providers who use an open protocol. YMMV. 
 


Geoff. 
 

--geoffrey mendelson N3OWJ/4X1GM 

Jerusalem Israel geoffreymendel...@gmail.com 
 

 

 



 



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