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

[Adam Pawlowski]

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> On Behalf Of Matthew Huff
Sent: Thursday, December 9, 2021 2:25 PM
To: Johnson, Tim <johns10t at cmich.edu>
Cc: 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://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ox.com%2F&data=04%7C01%7Cajp26%40buffalo.edu%7C41ba0d36daec4cf57dab08d9bb4c1514%7C96464a8af8ed40b199e25f6b50a20250%7C0%7C0%7C637746757719785465%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=dNrDrBaJVgbiP0jpa06fU6b8U9z3y%2BUUwYJxtMTetPw%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://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ox.com%2F&data=04%7C01%7Cajp26%40buffalo.edu%7C41ba0d36daec4cf57dab08d9bb4c1514%7C96464a8af8ed40b199e25f6b50a20250%7C0%7C0%7C637746757719795458%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=ZvkNyVJJsY%2FObyfGa%2FgTHBFALKEeW%2Fo%2FAmJQMpfAeFI%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://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ox.com%2F&data=04%7C01%7Cajp26%40buffalo.edu%7C41ba0d36daec4cf57dab08d9bb4c1514%7C96464a8af8ed40b199e25f6b50a20250%7C0%7C0%7C637746757719835442%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=DqYjArtXgeelj%2FmLstyq2zYa4e6v4wAdnlqdvmKbqCc%3D&reserved=0>
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