What happens when the phone line is disconnected? (the PSTN) ??
GSM's do not switch over & site wont report a thing.
It's a great fail safe measure
That's why there are inputs on most GSM units ..
Yeah thats a problem.
Another thing you can do is to invert the N/O GSM fail contacts & connect to the main panel to report if the GSM has died/ powered down for what ever reason.
See posts 52 & 56.
I have my money from the customer & he has promised to let me know when his account is credited.
I hope more people make the effort to persue these types of issues & Telstra might just realise that they are not a law unto themselves.
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