[asterisk-users] PRI Test Lab

[Olivier]

2009/2/13 Kevin P. Fleming <kpfleming at digium.com>

> Matt Florell wrote:
>
> > If you want to be able to set Master timing you will have to use
> > Sangoma cards, they allow you force the timing in the wanrouter
> > configuration. I have done extensive testing with crossover T1/E1/PRIs
>
> I don't believe this is true; we use Digium cards connected back-to-back
> to each other, with one providing the span timing (clock) all the time.
> This is a very common configuration and works fine.
>
> To set a Zaptel/DAHDI card to provide span timing, just set all the
> spans on it to 'zero' as the priority for timing source; when none of
> the span clocks are the timing source, the onboard clock on the card
> will be the timing source.


What if using a patch cord from port to another ?
Would you still value to zero each span timing priority or would you set one
end to 0 and the other to 1 ?


>
> --
> Kevin P. Fleming
> Digium, Inc. | Director of Software Technologies
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
> skype: kpfleming | jabber: kpfleming at digium.com
> Check us out at www.digium.com & www.asterisk.org
>
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