[cisco-voip] Remove lines on phones with BAT

Thu Oct 30 13:41:00 EDT 2014

I think shared lines are gonna cause you more grief. Especially if they're centrally located, in quadrants so to speak. Guessing out loud, an emergency is probably going to affect multiple people, in the same area, think fire. If it's a shared line in a quadrant, all those people are going to want to dial 911. Outbound calling with shared lines is not the best. 

I think you should consider creating a separate partition, and using those for your logged out extensions. They're not dialable by anything but the system processes that needs to dial them. Because it's a system process dialing them, they don't have to even be the same length, since interdigit dialing does not come into play. Actually a different length would be better so you don't have duplicates. 

If you really must be able to dial them from other phones, than you can use dialing codes, say *99-123 will reach logged out extension 123. 

Just some thoughts. 

--- 
Lelio Fulgenzi, B.A. 
Senior Analyst, Network Infrastructure 
Computing and Communications Services (CCS) 
University of Guelph 

519‐824‐4120 Ext 56354 
lelio at uoguelph.ca 
www.uoguelph.ca/ccs 
Room 037, Animal Science and Nutrition Building 
Guelph, Ontario, N1G 2W1 

----- Original Message -----

From: "Scott Voll" <svoll.voip at gmail.com> 
To: "Ryan Ratliff (rratliff)" <rratliff at cisco.com> 
Cc: "cisco-voip voyp list" <cisco-voip at puck.nether.net> 
Sent: Thursday, October 30, 2014 11:20:04 AM 
Subject: Re: [cisco-voip] Remove lines on phones with BAT 

how about a shared line per floor? 

Scott 

On Thu, Oct 30, 2014 at 8:09 AM, Ryan Ratliff (rratliff) < rratliff at cisco.com > wrote: 

And no, you can't put a shared line on 1300 phones. Use a different DN range or something and let CER handle the translations for you just like it would any other phone. 

-Ryan 

On Oct 30, 2014, at 11:03 AM, Erick Wellnitz < ewellnitzvoip at gmail.com > wrote: 

Use a partition that isn't accessible by anything except CER CTI ports. 

On Thu, Oct 30, 2014 at 8:22 AM, Scott Voll < svoll.voip at gmail.com > wrote: 

<blockquote>

OK I get the picture....... 

So if I'm going to put a line on all phones, can I put a shared line on all 1300 phones? If so, how does CER work? will the PSAP call back the line or does it call back the phone? 

I have a dialing plan that doesn't allow for much in the way of non DID numbers so have a very limited amount to use. 

TIA 

Scott 

On Wed, Oct 29, 2014 at 2:17 PM, Wes Sisk (wsisk) < wsisk at cisco.com > wrote: 

<blockquote>

Agreed with Ryan, Anthony, and Erick. 

Give the phones DN’s, even just internal DN’s. It is “burning a DN” in the sense that number is allocated. That number does not have to be a DID. Give the phones/lines a CSS that PLAR’s to a help desk. Or at least allow them to invoke local emergency services - private or public. 

-Wes 

On Oct 29, 2014, at 3:13 PM, Erick Wellnitz < ewellnitzvoip at gmail.com > wrote: 

Not having lines on a physical phone can be a career altering decision if someone needs to dial emergency services and they grab the nearest logged out phone. There could also be legal issues but I'm not a lawyer so take that for what you will. 

On Wed, Oct 29, 2014 at 1:03 PM, Anthony Holloway < avholloway+cisco-voip at gmail.com > wrote: 

<blockquote>

That's a "Yes" for my experiences. The logout profile or default state of the phone has a nonDID in most cases, DID in a few cases (with a CSS restriction for Internal and EMS), and the UDP of the user has a DID in most cases, nonDID in a few cases (with typical CSS). 

On Wed, Oct 29, 2014 at 1:33 PM, Scott Voll < svoll.voip at gmail.com > wrote: 

<blockquote>

So what are people doing in a Extension Mobility only environment? Burning two DN's? one for the user and one for every phone? 

scott 

On Wed, Oct 29, 2014 at 11:11 AM, Ryan Ratliff (rratliff) < rratliff at cisco.com > wrote: 

<blockquote>

Auto-reg will provision lines as well, and I agree with Anthony. 
I don't think anyone wants to deal with the potential issue of somebody picking up a phone to dial emergency services and not getting dialtone. 

-Ryan 

On Oct 29, 2014, at 2:05 PM, Anthony Holloway < avholloway+cisco-voip at gmail.com > wrote: 

Scott, 

SIP or SCCP, either way, for emergency reasons you don't want phones laying about, unable to save a life when people depend on the reliability of 911. 

Here's one option without knowing your environment design or limitations: Setup Auto Registration and then Bulk Delete all the phones. 

On Tue, Oct 28, 2014 at 1:38 PM, Ryan Ratliff (rratliff) < rratliff at cisco.com > wrote: 

<blockquote>
All phones? SIP phones won't register without a line. 

-Ryan 

On Oct 28, 2014, at 1:16 PM, Scott Voll < svoll.voip at gmail.com > wrote: 

is there a way to bulk delete all lines on all phones? 

we are moving to extension mobility and want to remove all the lines on all the phones 

Thanks 

scott 

CM 8.6.2 
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