[cisco-voip] [External] Re: Small business E911 solution

Thu Dec 16 12:53:26 EST 2021

I want to thank Mark & 9line911 for taking the time to step me through these options especially since the end result is that for our small environment, we won’t need a third-party solution such as 9Line911.

Matthew Huff | Director of Technical Operations | OTA Management LLC

Office: 914-460-4039
mhuff at ox.com<mailto:mhuff at ox.com> | www.ox.com<http://www.ox.com>
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From: Mark Turpin <mark at 9line911.com>
Sent: Thursday, December 16, 2021 11:54 AM
To: Brian.Palmer at bcbsfl.com; ajp26 at buffalo.edu; Matthew Huff <mhuff at ox.com>; johns10t at cmich.edu
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] [External] Re: Small business E911 solution

I heard about this thread and wanted to chime in, in case someone else comes along with a similar use case.

Consider the following:

1.       A small environment with all physical phones

2.       On-prem & remote phones do NOT move

3.       The # of locations is very manageable

This is a perfect use case for the free Native Emergency Calling feature. Map each location to a device pool, assign an ELIN, set the address w/your carrier for the ELIN, and you’re done.

https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/200452-Usage-of-Native-Emergency-Call-Routing-F.html

Best,
-Mark

From: cisco-voip <cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net>> on behalf of Palmer, Brian via cisco-voip <cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>>
Date: Friday, December 10, 2021 at 11:40 AM
To: Adam Pawlowski <ajp26 at buffalo.edu<mailto:ajp26 at buffalo.edu>>, Matthew Huff <mhuff at ox.com<mailto:mhuff at ox.com>>, Johnson, Tim <johns10t at cmich.edu<mailto:johns10t at cmich.edu>>
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net> <cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>>
Subject: Re: [cisco-voip] [External] Re: Small business E911 solution
*** EXTERNAL EMAIL - DO NOT CLICK LINKS ***
Intrado is the only one that I know of that has the ability to deal with just about every single solution.  The only one they can’t handle yet is the softphone within citrix which nobody else I know can deal with.  That solution comes in a few months.

The ERS service from Intrado is the cheaper of the two solutions.  There really isn’t anyway to accomplish what you want without $$$$.  The risk you have is that if it doesn’t route or is mis-routed you could possibly then have legal issues.

The biggest issues we had was softphones in virtual environment(citrix), non-did extensions, users that move around and need to dynamically change location on the fly etc.

Most of the vendors like redsky are just the front end as it seems like Intrado literally has a monopoly on the backend E911 service.

Brian Palmer
904-905-8263

From: cisco-voip <cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net>> On Behalf Of Adam Pawlowski
Sent: Thursday, December 9, 2021 4:23 PM
To: Matthew Huff <mhuff at ox.com<mailto:mhuff at ox.com>>; Johnson, Tim <johns10t at cmich.edu<mailto:johns10t at cmich.edu>>
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] [External] Re: Small business E911 solution

If the devices are “remote” then I believe it is limited to the unique DID formed between the extension on the device and the e164mask with CER.  V911 solutions all seem to use call routing and can’t differentiate which thing originated the call in any way other than the calling number.  That’s where I am stuck being MRA only with Jabber. We’re also looking at 9Line, as they offer V911 and a UCM-direct approach for locations, but I believe in both cases it will still require some sort of unique DN, it just offers perhaps a better experience than the off-premise portal in CER for the customer to update their location as appropriate.

Best,

Adam

From: cisco-voip <cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net>> On Behalf Of Matthew Huff
Sent: Thursday, December 9, 2021 2:25 PM
To: Johnson, Tim <johns10t at cmich.edu<mailto:johns10t at cmich.edu>>
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] [External] Re: Small business E911 solution

We have a SIP provider. The issue is that the user requires the same Prime DN no matter their location. We have a user, for example, at our NY office, he has a two different home offices in Massachusetts and one in Idaho. Our SIP provider in order to route E911 requires each phone to an unique DID, which our users will not accept.

What is the easiest solution with on-premise CUCM that allows me to satisfy E911 regulations, especially the ones that go into effect in January, without having to have everyone have an unique prime-dn at each location. Is Cisco Emergency Responder the only choice?

Matthew Huff | Director of Technical Operations | OTA Management LLC

Office: 914-460-4039
mhuff at ox.com<mailto:mhuff at ox.com> | www.ox.com<https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdefang.bcbsfl.com%2Fdefang.php%3Furl%3Dhttps%3A%2F%2Fnam12.safelinks.protection.outlook.com%2F%3Furl%3Dhttp%253A%252F%252Fwww.ox.com%252F%26data%3D04%257C01%257Cajp26%2540buffalo.edu%257C41ba0d36daec4cf57dab08d9bb4c1514%257C96464a8af8ed40b199e25f6b50a20250%257C0%257C0%257C637746757719785465%257CUnknown%257CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%253D%257C3000%26sdata%3DdNrDrBaJVgbiP0jpa06fU6b8U9z3y%252BUUwYJxtMTetPw%253D%26reserved%3D0&data=04%7C01%7Cmturpin%40covene.com%7Ccc824c33fea5459ca66108d9bc041c77%7C575b0cc755204e999cb37affbf511f45%7C1%7C0%7C637747548110622061%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=vW%2BId1T%2F8n%2FWBwOGrjlBZwjrN%2BpBCt%2BjH%2BeZRp95Afc%3D&reserved=0>
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From: Johnson, Tim <johns10t at cmich.edu<mailto:johns10t at cmich.edu>>
Sent: Thursday, December 9, 2021 2:20 PM
To: Matthew Huff <mhuff at ox.com<mailto:mhuff at ox.com>>
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: Re: [External] Re: [cisco-voip] Small business E911 solution

Maybe Intrado? Not sure their minimum requirements but I know we started with them when they were West, with only a couple hundred DIDs.

On Dec 9, 2021 2:16 PM, Matthew Huff <mhuff at ox.com<mailto:mhuff at ox.com>> wrote:
No, hosted solution isn’t an option as we have a number of custom solutions like ring downs, etc…

We already have CUCM and Expressway working fine, I just need directions on the simplest solution for E911 for MRA workers.

Matthew Huff | Director of Technical Operations | OTA Management LLC

Office: 914-460-4039
mhuff at ox.com<mailto:mhuff at ox.com> | www.ox.com<https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdefang.bcbsfl.com%2Fdefang.php%3Furl%3Dhttps%3A%2F%2Fnam12.safelinks.protection.outlook.com%2F%3Furl%3Dhttp%253A%252F%252Fwww.ox.com%252F%26data%3D04%257C01%257Cajp26%2540buffalo.edu%257C41ba0d36daec4cf57dab08d9bb4c1514%257C96464a8af8ed40b199e25f6b50a20250%257C0%257C0%257C637746757719795458%257CUnknown%257CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%253D%257C3000%26sdata%3DZvkNyVJJsY%252FObyfGa%252FgTHBFALKEeW%252Fo%252FAmJQMpfAeFI%253D%26reserved%3D0&data=04%7C01%7Cmturpin%40covene.com%7Ccc824c33fea5459ca66108d9bc041c77%7C575b0cc755204e999cb37affbf511f45%7C1%7C0%7C637747548110632016%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=ONf%2BMLeUn7j14RssN2tQWKA%2BIjlSuF9nevkieD291p4%3D&reserved=0>
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From: Matthew Loraditch <MLoraditch at heliontechnologies.com<mailto:MLoraditch at heliontechnologies.com>>
Sent: Thursday, December 9, 2021 2:00 PM
To: Matthew Huff <mhuff at ox.com<mailto:mhuff at ox.com>>; cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: RE: Small business E911 solution

I’m very curious if you find something. I’m not aware of anything cost effective at your size. RedSky’s minimum purchase for a CUCM based system is 12-14k.

Have you looked at moving to a hosted phone system? Almost every vendor I’m aware of includes E911 therein

Matthew Loraditch

Sr. Network Engineer

(He/Him/His)

p: 443.541.1518<tel:443.541.1518>

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From: cisco-voip <cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net>> On Behalf Of Matthew Huff
Sent: Thursday, December 9, 2021 1:34 PM
To: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: [cisco-voip] Small business E911 solution

[EXTERNAL]

We are in the process of moving from legacy ISDN PRI for inbound/outbound dialing to SIP, and E911 has hit us in the face. We have less than 50 users, where > 90% currently are working from home. They have the same prime dn for both the office phone and their home phone. We have users that have phones in 3-4 locations including in multiple states. What is the simplest solution to setup and maintain that doesn’t require a user to have a separate DID in each location? Cisco Emergency Responder looks like major overkill.

Our environment is:
CUCM 14.x
Cisco Expressway 14.x for MRA
Cisco 8861 SIP phones (both at home and at work).

Matthew Huff | Director of Technical Operations | OTA Management LLC

Office: 914-460-4039
mhuff at ox.com<mailto:mhuff at ox.com> | www.ox.com<https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdefang.bcbsfl.com%2Fdefang.php%3Furl%3Dhttps%3A%2F%2Fnam12.safelinks.protection.outlook.com%2F%3Furl%3Dhttp%253A%252F%252Fwww.ox.com%252F%26data%3D04%257C01%257Cajp26%2540buffalo.edu%257C41ba0d36daec4cf57dab08d9bb4c1514%257C96464a8af8ed40b199e25f6b50a20250%257C0%257C0%257C637746757719835442%257CUnknown%257CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%253D%257C3000%26sdata%3DDqYjArtXgeelj%252FmLstyq2zYa4e6v4wAdnlqdvmKbqCc%253D%26reserved%3D0&data=04%7C01%7Cmturpin%40covene.com%7Ccc824c33fea5459ca66108d9bc041c77%7C575b0cc755204e999cb37affbf511f45%7C1%7C0%7C637747548110661894%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=hKyDK0XoBZIfp5zIR%2BFXzyTbX%2BgFm%2BtNkox1J0JUViE%3D&reserved=0>
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