Re: [asterisk-users] Kernel and zaptel versions

2007-02-20 Thread mail-lists



If your connections are VoIP, the first area to look at for quality is
network jitter/congestion/drops.  


I'm mostly worried about drops. A little bit of garbling I can deal with 
but a dropped call is just VERY bad. Especially when it happens again 
and again. Does anyone know any methods for tracing dropped calls? All I 
see is a normal hangup in the logs. The dropped calls seem VERY random 
and happen regardless of VSP.


All I can determine is that it's asterisk that's at fault but I really 
have no justification for it.



All of our calls are VOIP only.

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[asterisk-users] Kernel and zaptel versions

2007-02-19 Thread mail-lists

Hello,

Can anyone recommend the 'best' kernel and zaptel versions to use with 
asterisk?


we're currently running trixbox and are having numerous call quality 
issues(disconnects, echo, garbled speech) and I'm considering wiping the 
asterisk box and installing a virgin copy of centos, compiling asterisk 
myself and installing freepbx on it's own..


Is there anyone who can recommend specific software versions that have 
been proven to be stable and reliable?



We're running trixbox 1.2.3 in case anyone has similar issues that they 
might know how to solve


Thanks!
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[asterisk-users] Kernel and zaptel versions

2007-02-19 Thread John covici
Why install Centos -- its really old?  Check with whoever is supplying
your telephony hardware and see what kernel versions are needed or
will work with that hardware.

on Monday 02/19/2007 mail-lists([EMAIL PROTECTED]) wrote
  Hello,
  
  Can anyone recommend the 'best' kernel and zaptel versions to use with 
  asterisk?
  
  we're currently running trixbox and are having numerous call quality 
  issues(disconnects, echo, garbled speech) and I'm considering wiping the 
  asterisk box and installing a virgin copy of centos, compiling asterisk 
  myself and installing freepbx on it's own..
  
  Is there anyone who can recommend specific software versions that have 
  been proven to be stable and reliable?
  
  
  We're running trixbox 1.2.3 in case anyone has similar issues that they 
  might know how to solve
  
  Thanks!
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-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

 John Covici
 [EMAIL PROTECTED]
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Re: [asterisk-users] Kernel and zaptel versions

2007-02-19 Thread Noah Miller

  we're currently running trixbox and are having numerous call quality
  issues(disconnects, echo, garbled speech) and I'm considering wiping the
  asterisk box and installing a virgin copy of centos, compiling asterisk
  myself and installing freepbx on it's own..
 
  Is there anyone who can recommend specific software versions that have
  been proven to be stable and reliable?


What kind of voice connections are you using?  VoIP?  PSTN?   What is
your hardware?

You can probably solve quality issues without doing a complete
reinstall, and you should be able to get reliable results with most
all kernel versions and asterisk versions.  There are some exceptions,
but versions of asterisk and the linux kernel that come with trixbox
have generally been tested to work before trixbox gets released.

If your connections are VoIP, the first area to look at for quality is
network jitter/congestion/drops.  If your connections are analog PSTN,
can you get reliable connections without asterisk in the picture?
Also, if PSTN, is your voice card sharing interrupts with anything
else?



Why install Centos -- its really old?


Does that make it less good?  I've found CentOS to be exceptionally
stable, which is my most important criteria.  It has too many services
running by default, but that's an easy problem to solve.


- Noah
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Re: [asterisk-users] Kernel and zaptel versions

2007-02-19 Thread Tzafrir Cohen
On Mon, Feb 19, 2007 at 11:03:17PM -0500, Noah Miller wrote:

 You can probably solve quality issues without doing a complete
 reinstall, and you should be able to get reliable results with most
 all kernel versions and asterisk versions.  There are some exceptions,
 but versions of asterisk and the linux kernel that come with trixbox
 have generally been tested to work before trixbox gets released.

Only CentOS (actually: RHEL) released severarl kernel several kernels
since the last -34, and you might wish to check what they fix. 

-- 
   Tzafrir Cohen   
icq#16849755jabber:[EMAIL PROTECTED]
+972-50-7952406   mailto:[EMAIL PROTECTED]   
http://www.xorcom.com  iax:[EMAIL PROTECTED]/tzafrir
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