[cisco-voip] DR Telephony Solution

Dennis Heim Dennis.Heim at cdw.com
Mon Mar 29 12:50:08 EDT 2010


SIP will definitely migrate between physical facilities a heck of a lot easier than a PRI will.

Dennis Heim
Network Voice Engineer
CDW  Advanced Technology Services
11711 N. Meridian Street, Suite 225
Carmel, IN  46032

317.569.4255 Office
317.569.4201 Fax
317.694.6070 Cell
dennis.heim at cdw.com<mailto:dennis.heim at cdw.com>
www.berbee.com<http://www.berbee.com/>

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Cauthen, John A.
Sent: Monday, March 29, 2010 11:40 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] DR Telephony Solution

Looking for suggestions and ideas:

We would like to implement a disaster recovery solution for our phone system at our DR site.  We are a medium size business with about 300 users and one primary office location.  We have a dedicated 100MB connection between our main site and the DR site (same subnet).  We do real-time replication of data (SAN to SAN) and backups over that 100MB connection which usually stays around 10MB usage during the day.

Ultimately, we would like to place our Publisher and Unity Connection servers over at the DR site with a router (GW) so, that if we lost our main site we would still have our phone system.  We currently have 4 T1s and are using MGCP.  Would it be more beneficial to move to SIP or does it matter?  Would this work or is there a better solution out there?

Our current phone system consists of:
2 - CUCM 6.1.2 (Publisher and Subscriber)
1 - Unity Connection 1.2(1) SR2
1 - Contact Center Express 5.0
2 - Cisco 3725 routers (total of 4 T1s) MGCP protocol

Any suggestions or feedback will be greatly appreciated.

Thanks,

John
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