[cisco-voip] Cisco Emergency Responder

[Dennis Heim]

In addition to what I said, also keep in mind from a sizing perspective, going with manually configured phones takes a big hit on how many can be supported versus automatically tracked phones.

http://www.cisco.com/en/US/partner/prod/collateral/voicesw/ps6789/ps7046/ps842/data_sheet_c78-574749.html





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
cdw.com/content/solutions/unified-communications/



-----Original Message-----
From: Dennis Heim 
Sent: Thursday, June 17, 2010 10:14 AM
To: 'Mike King'; Cisco VoIPoE List
Subject: RE: [cisco-voip] Cisco Emergency Responder

If you subnets follow the location boundaries that you require, that would save a good deal of time and ongoing maintenance. Without Cisco switches you lose automatic tracking which is one of the primary features of CER. You do get the reporting and ability to PSAP call-back to non-did numbers.

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
cdw.com/content/solutions/unified-communications/


-----Original Message-----
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Mike King
Sent: Thursday, June 17, 2010 9:40 AM
To: Cisco VoIPoE List
Subject: [cisco-voip] Cisco Emergency Responder

Our company is implementing Emergency Responder.

We don't have Cisco Switches (Gasp!)

I'm pretty sure from my reading that you can configure ERL's 3 ways:
1. Automatic via CDP (not an option for us non Cisco switch people) 2. Manually configure the ERL on the phone 3. Subnet based ERL's

The consultant we've hired to install wants us to manually configure each phone with the ERL.  (I think we're the first non-cisco switch customer he's had)

My question is:
Is there any problems with using Subnet based ERL's with non-cisco switches, because that is the way I thought we should be installing it.  (I've already done the network engineering to have a Subnet per area that we need to have an ERL for)

Mike
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