[cisco-voip] Emergency Calling from VoIP Remote Sites

[Denis Pointer]

"Is the possibility that the WAN will be broken at the exact time someone
needs emergency help (and can't find a cell phone) great enough to justify
the additional facilities?"
*YES*

In short we always recommend to our customer to do exactly that.  Certainly
the potential of a human life is worth more than the few thousand dollars
one time cost for the SRST Gateway and the monthly cost for a POTS line.
 Yes a vast majority of people now days have a cell phone, but If I need to
phone 911 in a hurry, my first try is going to be to pick up the phone on my
desk and call 911, not go looking for my cell phone.  In the panic I may
forget I have a cell with me, these delays are going to increase panic, and
time matters, to me it's just not worth the risk.
*
*
*
*--
Denis Pointer, A. Sc. T.
Customer Systems Analyst (Senior Design)

CCVP, CCNA, CCDA
Cisco Unified Contact Center Specialist
Cisco IP Telephony Design Specialist
Cisco Unity Design Specialist
Cisco Unity Support Specialist
Cisco IP Communications Express Specialist


On Fri, Jan 8, 2010 at 3:44 PM, Walt Moody <moody at arizona.edu> wrote:

> Group,
>
> We have several sites which are remote from the main campus but are
> "local" in as much as they are located within Qwest's Tucson rate
> center.  The ones that are equipped with Voice over IP get all of
> their connectivity and DID extension numbers from the CallManager
> clusters on campus.  The CallManager clusters are equipped with Cisco
> Emergency Responders so that all 911 calls are routed to the proper
> PSAPs with the proper emergency response address as set up in the
> Intrado database.
>
> When everything is working properly, all 911 calls go where they're
> supposed to go and have the correct response location in the PSAP's
> automatic location identifier field.
>
> A remote site user asked "Will I be able to call 911 from my location
> with my VoIP phone when the WAN is down?" and our answer is "No."
>
> So the question for the group:  Is it your custom to provide facilities
> (phone line, gateway interface interface card, DSPs, SRST software,
> etc.) solely to allow access to 911 in the event of a WAN failure?
>
> Is the possibility that the WAN will be broken at the exact time
> someone needs emergency help (and can't find a cell phone) great
> enough to justify the additional facilities?
>
> Thanks in advance.
>
> -walt
>
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