Voip Telephony - What You Need To Know First About Emergency 911 Calls

VoIP Telephony - What You Need to Know Firstlocate the customer in the event of a 911 call.
About Emergency 911 CallsEnhanced 911 or E911 service is a North American
Voice over Internet Protocol providers Skype,telephone network (NANP) feature of the 911
and Vonage are just two of the many VoIPemergency-calling system that automatically
telecoms service providers which have, Visit hereassociates a physical address with the calling
the past, come under fire in the US, andparty's telephone number as required by the
elsewhere, for failing to connect emergency 911Wireless Communications and Public Safety Act of
calls.1999.
It is quite natural for users to assume that VoIPMore specifically, manufacturers, such as recent
based systems will provide emergency responseentry VoIP vendor Zultys Technologies, are
services in much in the same way as is providedfine-tuning products like its MX250 to mitigate the
via cell phones and fixed line phones. Indeed, the911 situation.
suppliers of VoIP services want us to view theirEnhanced 911 is reported to be currently (as of
systems as equals to fixed lines, and indeed also,2007) deployed in most metropolitan areas in the
cell/mobile phone services.United States and Canada.
Now, it is highly possible, in fact, that as theOutside the United States this type of facility is
technology behind VoIP is further refined over theoften called 'caller location', though its
next few years it will become impossible for evenimplementation is dependent on how the
technically aware users to know whether atelephone network processes emergency calls.
particular phone system is either VoIP based, or aBut is Enhanced 911 reporting really a 'solution' at
standard fixed line system. So, this being the caseall? Read on to find out more.
unless VoIP providers can get this service up andUsers should be sympathetic to the difficulties the
running there are going to be tragedies arisingVoIP providers face in implementing emergency
from users assuming that they have emergencycall services. VoIP companies are still just
service call coverage, when in reality they don'tminnows when compared with the big telecoms
have any 911 capability whatsoever.providers. The amount of work needed to bring in
Some tragedies have already occurred already911, and similar emergency services, across so
from VoIP's 911 shortcomings, in the emergencymany nations is huge. Let us not forget either
call area. It has been reported that one tragedy inthat the traditional fixed line telecoms providers
particular has already needed legal defence fromwill not be anxious to assist their upstart VoIP
provider Edison, N. to deflect prosecution.competitors in resolving the issues preventing
Stories about problems with the local emergencysolution of the one remaining area where the
call capability of VoIP based cell phones, in use infixed systems and cell phone systems providers
current systems in place, have already beenstill have an undeniable lead.
known to feature in the headlines of newspapers.Skype, for example, explains that it considers that
Reports focus on the fact that individuals init does not have access to reliable real-time
emergencies are been picking up their VoIPlocation information for its users. Skype tells us
phones unaware that no service is provided, andthat it may determine a user's IP address, but IP
they waste much precious time before realizingaddresses (in addition to being vulnerable to
that they will not be able to place the necessaryspoofing) offer only the most general sense of a
emergency call.user's location. It is open to Skype to request
As VoIP phones are on the Internet and nomadic,location information from its users, but it is their
the location of the individual placing the 911 call canview that any self-reported information is likely to
be very difficult to determine. VoIP and 911 issuesbe unreliable.
are not easy for the VoIP providers to resolveThis VoIP further explains that users typically use
either, as users often install their service onSkype from laptops or from several computers.
laptops and other mobile devise, from which thereIt is common for its users to log into their Skype
is no geolocation data available in the way thisaccounts from home, work, hotel rooms, airports,
data is integral to cell phone systems.internet cafes, and anywhere else they have
The solution proposed is that all VoIP providersaccess to a computer and a broadband
should be required to transmit all 911 calls, includingconnection. As a consequence it seems to be self
a call-back number and the registered streetevident that any user-reported location
address of the customer, to the appropriateinformation, even if initially correct, will only at
emergency call enter or local emergencybest accurately describe a user's location some of
authority. These systems have reportedly beenthe time. At worst, and not infrequently the
developed by some VoIP providers and areuser-given address could be error so much so
available. However, in many areas casesthat the real location may be in a different
emergency service providers are not yet capablecontinent.
of receiving and/or processing the call-backIn these circumstances it is understandable, and
number or street address information transmittedshould be seen as entirely forgivable by the user,
with VoIP 911 calls, and even where they havethat many VoIP suppliers are saying that that
been implemented there a very big question markthey are simply unable to deliver emergency calls
over the adequacy of such a system.to the proper emergency response provider.
For this reason, in this article we can only talk inIn this context, many VoIP suppliers consider
general and we recommend that all existing andthemselves unable to transmit location and
potential VoIP users ask detailed questionscallback information, as to provide incorrect data
concerning VoIP 911 service providermay be worse than the provision of none at all. A
requirements and regulations, in their location. YouVoIP service provider supplied call to the
should visit the local telecoms regulator's web siteemergency services would run a serious risk of
or similar local inspector's website, and ifbeing routed to the wrong public response service
necessary make enquiries to these bodies forlocation, and would contain unreliable information
clarification, and make your decision on how toonce connected.
act on this matter. It could be a matter of lifeAdding capability for such calls to the VoIP
and death to the users, for example, of an officeservice, for as long as there is no automatic
VoIP system in the event of fire or entrapment.real-time method of verifying geolocation within
To get around the lack of E911 (E100 in Europe),the VoIP system, would reduce user security by
it is recommended that any factory or workplacecreating a false impression that the VoIP service
should:-supplier is capable of providing a service able to
1. Maintain at least one non-VoIP line in each officereach the right emergency services reliably.
for emergency calls as it phases out its PBXesFurthermore, to increase the burden on the
exchanges;emergency response services with improperly
2. Publicize the fact that emergency service callsrouted VoIP service provider sourced calls and
cannot be made over the normal (VoIP) officethen supply unreliable information would be a very
phone system, and ensure that the location ofunfortunate outcome, to be avoided above all.
the emergency service enabled non-VoIP line isThe advice given at present by most VoIP
known to all users.providers is that their services should not be used
VoIP service providers in North America, areas a telephone replacement service and cannot be
endeavoring to solve the 911 problem, and theused for emergency dialing. All those who in turn
solution being progressed works something likeprovide VoIP telecoms through their own
the following:-systems, such as within businesses, hotels etc.
- Prior to activating a new customer's service,should also give the same warning, and an
VoIP providers must obtain the street addressemergency line enabled alternative service should
where the service will be used, so thatbe made available and known to all that may need
emergency services will have the best chance toto use it.