[cisco-voip] Small Office Setup

[Lelio Fulgenzi]

correct. SIP. SIP also offers up additional details they can send down the line. i think you can use it in combination with PSALI, but i'm not sure it's required. from what i recall, they can send the main number and extension information down as well. 

definitely offers up advantages 

--- 
Lelio Fulgenzi, B.A. 
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1 
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN) 
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 
Cooking with unix is easy. You just sed it and forget it. 
- LFJ (with apologies to Mr. Popeil) 



From: "Scott Voll" <svoll.voip at gmail.com> 
To: "Lelio Fulgenzi" <lelio at uoguelph.ca> 
Cc: cisco-voip at puck.nether.net, "David Zhars" <dzhars at gmail.com> 
Sent: Wednesday, November 24, 2010 1:46:00 PM 
Subject: Re: [cisco-voip] Small Office Setup 

I'm pretty sure that 911enable uses SIP trunks then routes them back to the local PSAP. But Good point. 


Scott 


On Wed, Nov 24, 2010 at 10:33 AM, Lelio Fulgenzi < lelio at uoguelph.ca > wrote: 




as far as I know 911 does not understand area codes, each 911 tandem switch is programmed for a particular area code, so you can only opt out of local lines if the hq lines are going to the same CO/tandem switch. 

then again, if you have something like 911Enable, it interfaces directly into the 911 cloud and you can send 911 calls out from anywhere through your HQ trunks. 


--- 
Lelio Fulgenzi, B.A. 
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1 
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN) 
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 
Cooking with unix is easy. You just sed it and forget it. 
- LFJ (with apologies to Mr. Popeil) 



From: "Scott Voll" < svoll.voip at gmail.com > 
To: "David Zhars" < dzhars at gmail.com > 
Cc: cisco-voip at puck.nether.net 
Sent: Wednesday, November 24, 2010 12:56:04 PM 

Subject: Re: [cisco-voip] Small Office Setup 




psali is the Database that PSAP's use to map your telephone number to physical address. 


up here it costs about $65 / month to have ~1000 numbers in the db. if you have it setup, then you can get away without having a POTS line at the location. But you have no SRST and no dialtone in the case of an outage. 


Most times Management doesnt want to spend ~2-3k for a router.... they figure 2-5 phones is not mission critical. All depends on your NEEDs. 


Scott 


On Wed, Nov 24, 2010 at 9:35 AM, David Zhars < dzhars at gmail.com > wrote: 


oK, I'm dumb. what's a PS-ALI DB update??!! I have two other small locations, both with 3 phones. We put 2801s out there for SRST, but more importantly, for 911 calls. This was setup years ago in the 4.1 era. 



On Tue, Nov 23, 2010 at 4:00 PM, Scott Voll < svoll.voip at gmail.com > wrote: 





how far away is the main site? are you concerned about 911 calls? Do you have to have telco lines coming in? 


911 could be fixed with a PS-ALI DB update. 


If you don't need telco lines and SRST, you could probably do without the router. 


scott 






On Tue, Nov 23, 2010 at 12:21 PM, David Zhars < dzhars at gmail.com > wrote: 





Need to connect another building into my fiber optic net. So fiber is already at this building. We will only have 3 phones there. 
I know there is a small 3560 (I think 8 ports POE) but what could I use for the router? The 2801s are just so big and probably overpowered for this scenario. 

Thanks anyone. 

Dave 

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