How to organize a notification on the phone when the front door is opened in an apartment / house / property?

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Victor2014-04-08 10:03:03

Information Security

Victor, 2014-04-08 10:03:03

How to organize a notification on the phone when the front door is opened in an apartment / house / property?

Are there any ready-made solutions for this issue? Maybe someone solved similar problems? Complex and expensive security systems are not considered, as the budget is small.

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3 answer(s)

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Andrew, 2014-04-08
@OLS

GSM alarms from China

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Pavel1, 2020-08-03
@Pavel1

Budget option - Owl-900 block sova900.ru/example2.html

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