[asterisk-users] Zaptel timing on TE405P

[Atis Lezdins]

On 1/17/08, Atis Lezdins <atis at iq-labs.net> wrote:
> On 1/17/08, Tzafrir Cohen <tzafrir.cohen at xorcom.com> wrote:
> > On Thu, Jan 17, 2008 at 03:09:59PM +0200, Atis Lezdins wrote:
> > > Hi,
> > >
> > > I'm wondering why zttest shows
> > > Best: 99.976 -- Worst: 99.967 -- Average: 99.971469, Difference: 99.971469
> > >
> > > Shouldn't it be 100% as timing is hardware and comes from PRI? Am I
> > > missing some kernel config?
> >
> > It may be slightly different. Your system clock may be slightly off. But
> > more importantly, zttest doesn't start and stop messuring time at
> > exactly the right spot.
>
> Anything i can improve?
>
> I think - zttest should do it correctly, as manpage says - definite
> pass is  100% or 99.99%
>
> I'm just having some issues with faxing, so i thought this could be a problem.

Ping.

Any ideas what i could do to improve timing accuracy? Some kernel
options? Newer kernel? Currently I have kernel from RPM:

Linux asterisk2 2.6.22.7-57.fc6 #1 SMP Fri Sep 21 19:45:12 EDT 2007
x86_64 x86_64 x86_64 GNU/Linux

Regards,
Atis




-- 
Atis Lezdins
VoIP Developer,
IQ Labs Inc.
atis at iq-labs.net
Skype: atis.lezdins
Cell Phone: +371 28806004
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