[cisco-voip] Call Manager Redundancy?

[Miller, Steve]

Our main office has 800 people.  That's where the Pub (and Sub for that
location) resides.  We would be looking at a scenario where both the Pub
and Sub are down.
 

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 

 

________________________________

From: Lelio Fulgenzi [mailto:lelio at uoguelph.ca] 
Sent: Thursday, March 06, 2008 8:53 AM
To: Miller, Steve; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Call Manager Redundancy?


CallManager v6/v7 have improved the functionality of services in the
event a publisher is down. While moving a subscriber to the remote
office is an option, I'd hate to have to travel to a remote site for an
upgrade procedure.
 
Consider using SRST and Unity Express with VM/AA/IVR as a backup
solution as well. Of course, it all depends on how many people you have
in the remote location and what services they are using.
 
Lelio
------------------------------------------------------------------------
--------
Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 
Java-Clavis-Domus Theorem: The ability to keep your hands on the home
keys is inversely
related to the amount of caffeine ingested in the last 30 minutes. 


	----- Original Message ----- 
	From: Miller, Steve <mailto:MillerS at DicksteinShapiro.COM>  
	To: cisco-voip at puck.nether.net 
	Sent: Thursday, March 06, 2008 8:47 AM
	Subject: [cisco-voip] Call Manager Redundancy?

	We are discussing a disaster recovery plan which would include
the placement of a Call manager in a remote location in case the site
where our publisher resides was inaccessible/non functional.  What is
the best way to achieve this?  Could we move the Pub to the remote
location (connected by the MPLS) and keep the Sub in place at our main
office or is it more complicated than that?  Is there such thing as a
two-Publisher scenario?  We currently have a Pub and Sub in our main
location, a Sub at another location and an SRST site at our third
office. Just a quick response would be very helpful so that I can begin
to wrap my brain around this.  Thank you!
	 

	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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This e-mail message and any attached files are confidential
and are intended solely for the use of the addressee(s) 
named above. This communication may contain material 
protected by attorney-client, work product, or other 
privileges. If you are not the intended recipient or person 
responsible for delivering this confidential communication 
to the intended recipient, you have received this 
communication in error, and any review, use, dissemination, 
forwarding, printing, copying, or other distribution of 
this e-mail message and any attached files is strictly 
prohibited. Dickstein Shapiro reserves the right to monitor 
any communication that is created, received, or sent on its 
network.  If you have received this confidential 
communication in error, please notify the sender 
immediately by reply e-mail message and permanently delete 
the original message. 

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