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<TITLE>Re: [asterisk-users] life safety system and VOIP</TITLE>
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On 2/17/09 2:05 PM, "Jon Pounder" <<a href="jonp@inline.net">jonp@inline.net</a>> wrote:<BR>
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</SPAN></FONT><BLOCKQUOTE><FONT FACE="Calibri, Verdana, Helvetica, Arial"><SPAN STYLE='font-size:11pt'>Jeff LaCoursiere wrote:<BR>
> What do you suppose we have as liability if we are asked to install such<BR>
> systems? Is it the responsibility of the business owner that orders the<BR>
> system to meet all applicable codes? If (god forbid) someone was hurt in<BR>
> such a situation and the alarm didn't get passed because of being<BR>
> delivered by VoIP for whatever reason, does the system installer have any<BR>
> liability?<BR>
> <BR>
<BR>
>well here's a question - which is more reliable ?<BR>
>- a single copper line dialed on demand when there is a problem<BR>
>- voip or other internet technology, using internet connections on more<BR>
>than one media (say phone and cable), voip connected to multiple servers<BR>
>in a failover configuration.<BR>
<BR>
>its not uncommon for even a house to have multiple internet connections,<BR>
>but how many buildings have phone lines that connect back to different<BR>
>CO's and fail over ?<BR>
<BR>
>The best bet if you really care about what you are trying to protect is<BR>
>make sure the message can get out as many ways as possible, whether it<BR>
>be phone, voip, network, cellmodem, etc. Forget what regulations<BR>
>require, no one says you can't go further than the minimum if you want.<BR>
<BR>
In a REAL emergency internet/cell is more likely to fail than the phone companys pots network.<BR>
Cable/DSLAM etc only have about 4 hours of battery power. The CO has a entire battery room which will last a whole lot longer. Not to mention that it may stay up longer than your VoIP network. You also have to take into account everything between you& the CO or cable company. If just ONE thing fails you loose voip. Copper is a lot more forgiving & has failover modes versus the phone co’s ATM network or the cable companies “network” (or lack there of)<BR>
<BR>
--Don<BR>
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> j<BR>
><BR>
> On Tue, 17 Feb 2009, Jason Aarons (US) wrote:<BR>
><BR>
> <BR>
>> <a href="http://www.iccsafe.org/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=1;t=001650">http://www.iccsafe.org/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=1;t=001650</a><BR>
>> ;p=1<BR>
>><BR>
>><BR>
>> I can't see the Dept Transportation running copper to all the motorist<BR>
>> aid boxes along the highway. I thought most of your alarm panels have<BR>
>> moved to GSM/CDMA backup communications. I'd like to see a fire<BR>
>> marshall not give a permit for having a VoIP ATA or Vonage.<BR>
>><BR>
>><BR>
>> <a href="http://www.iccsafe.org/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=1;t=001650">http://www.iccsafe.org/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=1;t=001650</a><BR>
>> ;p=1<BR>
>><BR>
>> It's permitted in Chapter 8 2002 & 2007 "Alternative Methods of<BR>
>> Communication" and these still have supervision in accordance with Chap<BR>
>> 4 and it's sub-section.<BR>
>><BR>
>> 8.5.2.2* Alternate Methods.<BR>
>> 8.5.4 Other Transmission Technologies.<BR>
>><BR>
>> 8.6.2.2* Alternate Methods.<BR>
>> 8.6.4 Other Transmission Technologies.<BR>
>><BR>
>> There is nothing specific with regards to voice over internet protocal<BR>
>> and leaves room to add new technology proposals with requirements in<BR>
>> future editions according to A8.5.2.2. or A8.6.2.2 respectively.<BR>
>><BR>
>><BR>
>> -----Original Message-----<BR>
>> From: <a href="asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</a><BR>
>> [<a href="mailto:asterisk-users-bounces@lists.digium.com">mailto:asterisk-users-bounces@lists.digium.com</a>] On Behalf Of Jeff<BR>
>> LaCoursiere<BR>
>> Sent: Tuesday, February 17, 2009 3:28 PM<BR>
>> To: Asterisk Users Mailing List - Non-Commercial Discussion<BR>
>> Subject: Re: [asterisk-users] Credit Card processing machines<BR>
>><BR>
>><BR>
>><BR>
>> On Tue, 17 Feb 2009, Jonn Taylor wrote:<BR>
>><BR>
>> <BR>
>>> If you are in the US, ANY life safety system has to be connected to a<BR>
>>> dedicated copper POTS line. VOIP is NOT ok to use for this. It is in<BR>
>>> <BR>
>> the<BR>
>> <BR>
>>> NFPA.<BR>
>>><BR>
>>> <BR>
>> What is the NFPA? Do analog extensions in traditional PBXes count?<BR>
>><BR>
>> j<BR>
>><BR>
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