[cisco-voip] Phone limits per server

[Matthew Saskin]

I haven't heard of/seen a 4K limit - I've got most customers imposing their
own limits between 5000 and 6000 phones per server using 7845's purely as a
measure of comfort.  I believe that the weighting for an FXS/FXO port is
different than that of a PRI, but don't quote me on that.  The CallManager
Capacity Tool/Sizing Tool should give a good overview of device weighting as
well as capacity of a cluster taking into consideration BHCA's, etc.
Available on the cisco website - don't have a link readily available.

Matthew Saskin
msaskin at gmail.com
203-253-9571

July 18, 2010 - 1500m swim (in the hudson), 40k bike, 10k run
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On Wed, Mar 10, 2010 at 9:02 AM, Jeremy Rogers <Jeremy.Rogers at ip-soft.net>wrote:

>  According to the SRND for 6.1 you can have a max of 7500 phones on a
> 7845, however in side discussions Ive heard mention that this should be
> limited to no more than 4000 phones on a server in large deployments.  Is
> that the case and is there documentation to back it up?
>
> Also, since each gateway endpoint is a “device”  is there a major weighting
> difference between FXO/FXS endpoints and PRI endpoints for capacity
> planning?
>
>
>
> Jeremy Rogers
>
> Network Management
>
>
>
>
>
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