Home Security System
RonH:
I just received an email from Obihi with "tips" such as:
2. Use the OBi with Your Home Security System
Why keep an expensive landline around, if a VoIP line will do the job? With just a few clicks, you can now setup the OBi to work with your home security system.
No where on the link http://www.obitalk.com/ozone can I find an explanation of those tips. Can anyone help please.
Answers to rdhalstead@gmail.com please.
lrosenman:
I sent a note to info@obihai.com with essentially the same question earlier today. I expect it will be at least Monday before we hear something.
SteveInWA:
It's not well documented. What Obihai is describing, is a check-mark-in-a-box setting on the OBiTALK web portal, when using Google Voice (and only Google Voice) as the service provider, that tweaks the OBi settings to optimize audio for alarm panel DTMF communications. You'll see it when you set up a SP for GV use. Obihai was able to optimize their GV configuration to improve performance in support of alarm panels, but they don't offer the same tweaks to SIP service providers.
If you want to approximate this with a SIP ITSP, you could force DTMF to in-band, and use only the G.711 CODECs. Further tweaks to the DTMF tone duration or speed might be necessary. I'd start with the defaults. I'm doing this with Callcentric now, and it isn't 100% reliable, so I'm going to give up on it and switch to a Verizon Wireless 3G/4G / IP combo unit soon: https://www.ipdatatel.com/cellularbat.php
MurrayB:
I would not trust my security to a VOIP connection. When I dropped Verizon I installed a cellular communicator. The system is set with scheduled automatic communication tests between the panel and the monitoring service.
SteveInWA:
Quote from: MurrayB on March 14, 2015, 08:04:51 pm
I would not trust my security to a VOIP connection. When I dropped Verizon I installed a cellular communicator. The system is set with scheduled automatic communication tests between the panel and the monitoring service.
I agree, but everyone has their own level of acceptable risk. We've discussed this quite a bit in past years.
That's why I posted the link to the CBAT unit. It can communicate either via a cellular data link, or via a TCP/IP ethernet connection, to the monitoring center (redundant paths).
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