Sizing Exchange 2007 for Unity

Answered Question
Apr 28th, 2008
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Greetings -


I have a customer that currently deploys Exchange 2003 housing approx. 350 email mailboxes. He looking to integrate a Cisco IPT solution (CUCM 6.1 and Unity 5.0). Before the IPT integration he wants me to install a new Exchange 2007 server. I would like to "size" the new Exchange 2007 server to take into consideration the Unity 5.0 install.


Does Cisco provide any "sizing" tools/documentation/recommendations for an Exchange 2007 server when integrating w/ Unity?


Any information would be greatly appreciated.


Thx

Joe

Correct Answer by Tommer Catlin about 9 years 3 months ago

It's not really sizing on the Exchange 2007 box that matters. What matters is how much space you are allocating to Voicemails. For instance, I think the ratio is 30 minutes of voicemails is about 15megs of space required. (at G711 codec)


So do the math:


350 mailboxes

30 minutes of voicemail recordings

15 megs per 30 minutes

350*15 megs = about 5gigs of extra space required.


People can of course more voicemails to "personal folders" and store them like any other email attatchment, etc.


hope this helps

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Correct Answer
Tommer Catlin Mon, 04/28/2008 - 08:27
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It's not really sizing on the Exchange 2007 box that matters. What matters is how much space you are allocating to Voicemails. For instance, I think the ratio is 30 minutes of voicemails is about 15megs of space required. (at G711 codec)


So do the math:


350 mailboxes

30 minutes of voicemail recordings

15 megs per 30 minutes

350*15 megs = about 5gigs of extra space required.


People can of course more voicemails to "personal folders" and store them like any other email attatchment, etc.


hope this helps

j-shearer Mon, 04/28/2008 - 08:56
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Thx.


The information you provided is very helpful. I was more-or-less looking for a rough calculation of VM storage.


Joe

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