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Unity install - Unified Environ or Voice-Mail only?

hi all...fresh install of Unity 7.x. Wondering if we should install as a Unified Environment or Voice-Mail only? Our setup is that we have Exchange 2007 in-house. Our in-house users will have voice mail pushed to Outlook via Exchange. In the future, we will have hosted VoIP customers in our CUCM and Unity environments. The customers will never be part of our Exchange box, they will have their own.

Also, will another instance of Exchange need to be loaded on the Unity server to achieve this scenario?

Thanks in advance.

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Re: Unity install - Unified Environ or Voice-Mail only?

Putting aside the questions of scalability/security/etc. for the moment, it

is possible to have a UM experience for your internal users and a VM-only

experience for the external/hosted users on a single Unity solution. While

the hosted users won't have access to your Exchange servers from an Outlook

client (for example) the mailboxes will still need to be stored in Exchange.

You can have separate message stores (Unity can handle that). You will need

an AD account for each hosted mailbox (though the account can be disabled in

AD if needed).

I would recommend a separate message store and I would also recommend that

Exchange is NOT loaded on the Unity servers. Given that this will be a

hosted service at some point, it makes sense that you provide some level of

assurance with respect to fault tolerance. Which implies at least two Unity

servers. Having the Exchange service off box increases scalability options.

Cisco has switched stance on whether Exchange can be co-res with Unity or

not. I believe the latest I heard was you could, but scalability is a

consideration. A search on CCO would clear that up....maybe.

One additional thought. Depending on how expansive your hosted solution is

going to be, you may want to consider Unity Connection. It has the ability

to cleanly segregate multiple tenants on the same system. Meaning, it can

be configured as a true multi-tenant solution whereas Unity cannot (though,

you may be able to establish a perception of separation).

Unity Connection does not have true Unified Messaging today, but rumor is

that 8.5 will address this. Just a rumor at this point. Until then Unity

Connection can provide integrated messaging, which is "close" but opinions

will vary.

HTH.

Regards,

Bill

Please remember to rate helpful posts.

On 7/2/10 2:24 PM, "brandonabrown"

HTH -Bill (b) http://ucguerrilla.com (t) @ucguerrilla

Please remember to rate helpful responses and identify

2 REPLIES

Re: Unity install - Unified Environ or Voice-Mail only?

Putting aside the questions of scalability/security/etc. for the moment, it

is possible to have a UM experience for your internal users and a VM-only

experience for the external/hosted users on a single Unity solution. While

the hosted users won't have access to your Exchange servers from an Outlook

client (for example) the mailboxes will still need to be stored in Exchange.

You can have separate message stores (Unity can handle that). You will need

an AD account for each hosted mailbox (though the account can be disabled in

AD if needed).

I would recommend a separate message store and I would also recommend that

Exchange is NOT loaded on the Unity servers. Given that this will be a

hosted service at some point, it makes sense that you provide some level of

assurance with respect to fault tolerance. Which implies at least two Unity

servers. Having the Exchange service off box increases scalability options.

Cisco has switched stance on whether Exchange can be co-res with Unity or

not. I believe the latest I heard was you could, but scalability is a

consideration. A search on CCO would clear that up....maybe.

One additional thought. Depending on how expansive your hosted solution is

going to be, you may want to consider Unity Connection. It has the ability

to cleanly segregate multiple tenants on the same system. Meaning, it can

be configured as a true multi-tenant solution whereas Unity cannot (though,

you may be able to establish a perception of separation).

Unity Connection does not have true Unified Messaging today, but rumor is

that 8.5 will address this. Just a rumor at this point. Until then Unity

Connection can provide integrated messaging, which is "close" but opinions

will vary.

HTH.

Regards,

Bill

Please remember to rate helpful posts.

On 7/2/10 2:24 PM, "brandonabrown"

HTH -Bill (b) http://ucguerrilla.com (t) @ucguerrilla

Please remember to rate helpful responses and identify

Re: Unity install - Unified Environ or Voice-Mail only?

I think you'll find Unity Connection to be much less of an administrative headache in a managed services environment.  In addition, Unity 8.5.1 EFT (Early Field Trial) is essentially a beta version of code that will be released in limited fashion with a target of August.  It will add UM to Unity Connection via WebDav (Exchange 2003) or Exchange Web Services (EWS) for Exchange 2007/2010.  Might want to evaluate how this should factor into your decision-making process early in the game.  I've written a blog you can check out on this topic here:

http://www.netcraftsmen.net/resources/blogs/unity-connection-with-unified-messaging-where-will-unity-fit-in.html?blogger=David+Hailey

Hailey

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