[cisco-voip] Question about T1 clocking

[Ed Leatherman]

My main concern is since both these are voice connections and they will be
faxing over both links.. clock slips seem to cause trouble in that regard.
Would adding the second VWIC eliminate the slip problem?

On Wed, Feb 4, 2009 at 9:52 AM, Estes, Timothy <TimothyEstes at spherion.com>wrote:

>  I have this running on about 90 28XX routers in the field. Sprint MPLS
> circuits on the data side and Verizon or AT&T PRIs. You have to set network
> clock select to the PRI for it to come up, therefore the data circuit slips.
> Out of the 90 sites, only 2 have required new VWICs because of errors. The
> rest tolerate the slips. I see as low as 15 and as many as 90 slip seconds
> on the data circuits. 40 or 50 seems to be the limit for me, your mileage
> may vary.
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> Timothy Estes
>
> Data Network Operations Engineer
>
> ACS / Spherion
>
> Ft. Lauderdale FL
>



-- 
Ed Leatherman
Assistant Director, Voice Services
West Virginia University
Telecommunications and Network Operations
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