[cisco-voip] Duplicate Extensions on same Cluster

Jason Aarons (US) jason.aarons at us.didata.com
Wed Mar 24 21:19:57 EDT 2010


I'm not a fan of site codes.  Use longer/more digits as DNs, than setup short dialing via Translation Pattern to longer number.

Why the GK?

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Wes Sisk
Sent: Wednesday, March 24, 2010 6:01 PM
To: steve.siltman at assurant.com
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Duplicate Extensions on same Cluster

Historically CTI was not partition aware. This means CTI applications could not distinguish between extension 1001 in partition1 and extension 1001 in partition2.

If you are planning to use CTI control for anything then this may not be the best choice.

There is guidance on this in the CM SRND:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/7x/dialplan.html

/Wes


On Wednesday, March 24, 2010 5:10:49 PM, steve.siltman at assurant.com<mailto:steve.siltman at assurant.com> wrote:


Just wanted to run this by everyone before I say no-problemo.

I'm adding two locations to a cluster.  They have over-lapping 4 digit extensions.  Each location will be dialing 4 digits to reach each other within the location but 7 digits to dial between locations.  I use a GK to handle the routing of calls between locations.  This will require multiple GK trunks with different incoming CSS's.  Each location has a site code thats added to the 4 digit extension so the 7 digit number will be different across all locations.

Do you see a problem with this?  I'm just wondering what type of confusion this might cause in administration of these phones with the same extensions.   I don't see any issues but it feels like I'm missing something major.

Thanks for any input you may have.

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