911 question
SteveInWA:
The whole point of having a backup method of calling E911 would be to increase the reliability of being able to contact them in an emergency. Adding more complexity via a Bluetooth connection, failover rules, etc, just makes the system more fragile. In a major emergency, you may need to evacuate or or otherwise leave the house. It makes a lot more sense to just use the Anveo VoIP-based E911 as designed, and grab the cell phone and use it to call 911 if necessary.
It's more likely that your power will go out and your UPS fails to keep it up for more than a few minutes, or your house will catch on fire, or a UFO will crash into your roof, than this combination: 1) power stays on, 2) internet service goes down, 3) your OBi keeps working properly and 4) the cell phone/Bluetooth lash-up works.
M1024:
I think your estimation of the probability of the success or failure of various events isn't remotely useful.
I think I know just a BIT more about the reliability of my power, the capacity of my battery backups, and the reliability of my Internet connection, and the likelihood of each/any of them to fail, than you do.
If the Anveo 911 service works, thats great, it works. Adding *another* way for a 911 call to work, if the Anveo service (or any other VoIP service) is NOT available (due to Internet outage or anything else), cannot possibly reduce overall reliability. If Anveo is not available, and my intended backup service also does not work, its no worse than if Anveo was not available, and there was no backup option.
Note that the cell in use would be spare one dedicated to this function, and would NOT be my primary cellphone that I keep with me. Also, this would be available for someone to use when I am NOT home (in which case MY cell would be with me)
And if I need to "evacuate the house" I can STILL take my cell with me, and that is YET ANOTHER backup option. Ditto for anyone else in the house, assuming they have a cellphone.
The question was "how do I do this", not "Do you, with your lack of knowledge about my situation, think I should do this"
Quote from: SteveInWA on August 29, 2015, 03:38:14 pm
The whole point of having a backup method of calling E911 would be to increase the reliability of being able to contact them in an emergency. Adding more complexity via a Bluetooth connection, failover rules, etc, just makes the system more fragile. In a major emergency, you may need to evacuate or or otherwise leave the house. It makes a lot more sense to just use the Anveo VoIP-based E911 as designed, and grab the cell phone and use it to call 911 if necessary.
It's more likely that your power will go out and your UPS fails to keep it up for more than a few minutes, or your house will catch on fire, or a UFO will crash into your roof, than this combination: 1) power stays on, 2) internet service goes down, 3) your OBi keeps working properly and 4) the cell phone/Bluetooth lash-up works.
M1024:
Well, I have multiple old/expired cell phones, so sure, I could keep another around on charge for that.
For the record, the Internet connection is via a point-to-point wireless connection, so it IS more fragile than the power, especially given the large/multiple battery backups I have.
Quote from: azrobert on August 30, 2015, 06:03:03 am
Quote from: M1024 on August 30, 2015, 05:06:06 am
And if I need to "evacuate the house" I can STILL take my cell with me, and that is YET ANOTHER backup option. Ditto for anyone else in the house, assuming they have a cellphone.
You are missing another option. Anyone can grab the dedicated 911 cell on the way out of the house.
See this about failover:
http://www.obitalk.com/forum/index.php?topic=10254.msg67850#msg67850
I don't know if the TimerB applies to GV. When I was testing failover on a SIP trunk, I didn't think it was working. Then I discovered it was taking 32 seconds to failover and I was just not waiting long enough. A couple people on the forum showed me these options and now failover works perfectly. Once it failed over and I didn't know until I was looking for something in my call history and saw a call going out my backup provider.
In the above link I received an even harsher response from Steve.
OzarkEdge:
Quote from: M1024 on August 30, 2015, 05:06:06 am
I think your estimation of the probability of the success or failure of various events isn't remotely useful.
And besides, OBi devices and docs are labeled not for Emergency Use/Calls, so if you are using one as such, it is what it is... any device can fail.
Also, there are no failover rules. OBi trunk group failover is built-in by design and just works... it is as trustworthy as the rest of the box.
OE
ceg3:
Quote from: SteveInWA on August 29, 2015, 03:38:14 pm
The whole point of having a backup method of calling E911 would be to increase the reliability of being able to contact them in an emergency. Adding more complexity via a Bluetooth connection, failover rules, etc, just makes the system more fragile. In a major emergency, you may need to evacuate or or otherwise leave the house. It makes a lot more sense to just use the Anveo VoIP-based E911 as designed, and grab the cell phone and use it to call 911 if necessary.
It's more likely that your power will go out and your UPS fails to keep it up for more than a few minutes, or your house will catch on fire, or a UFO will crash into your roof, than this combination: 1) power stays on, 2) internet service goes down, 3) your OBi keeps working properly and 4) the cell phone/Bluetooth lash-up works.
I pretty much agree with this assessment. If you are looking for a solid setup I recommend the Anveo e911. It's reliable and can alert you if it's off line for some reason (maybe your modem is down). You can just dial 933 to verify it's working. For me, if the power is out or Internet is out, my mindset is to grab my mobile phone and punch in the numbers.
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