[cisco-voip] SRST Switching to Subscriber Site?

[James Buchanan]

Hello,

 

According to the UCM 6 SRND, all messaging components, including the
Exchange server and Unity server, are to be located on the same LAN. So,
you cannot move the Exchange server to the remote site unless the Unity
server will be at that same site in a unified messaging configuration. 

 

Thanks,

 

James

 

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jorge L.
Rodriguez Aguila
Sent: Saturday, March 22, 2008 7:46 PM
To: Miller, Steve; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] SRST Switching to Subscriber Site?

 

The answer I guess is conditional. For a 100 Users you can keep a
centralized deployment and do SRST. Putting a Callmanager Sub at this
location will require you to Put a larger Pipe between this site and the
HQ, as at least 1 Meg will be needed for ICCS between CCMs.  In terms of
the Unity Box, It doesn't matter where the Mailbox resides as the Unity
will pass the message into the Exchange cluster via the server he is
homed to and will arrive into the mailbox of the person no matter which
server he resides in. If you are indeed thinking about the Sub at the
remote site you should keep in mind that you would still be passing the
traffic along to the Unity box in the Central site unless you put one at
the remote site as well, Otherwise if your Wan Link goes down, you will
still have CCM capabilities but your calls routed to the AA will fail.

 

Jorge

 

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Miller, Steve
Sent: Friday, March 21, 2008 11:41 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] SRST Switching to Subscriber Site?

 

We have a site which is changing.  They are a remote site, currently
operating as an SRST site, but their Exchange server (currently at the
home office) is going to be moved to the remote location.  We have
unified messaging and we currently have A Pub and Sub at our home office
and a remote Sub at another office. Is it mandatory in such
circumstances that we install a Call Manager and Unity box for this
third site?  They have about 35 users - and may have as many as 100 in
the next couple years.  Any suggestions?

 

Steve Miller
Telecom Engineer
Dickstein Shapiro LLP
1825 Eye Street NW | Washington, DC 20006
Tel (202) 420-3370| Fax (202) 330-5607
MillerS at dicksteinshapiro.com 

 

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