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The condo buzzer idea is legendary! I feel like you could have also waited for a reply to the SMS, or an interaction with a push notification via an app like pushsafer.com, so you could unlock the door from your phone!

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the buzzer system may not wait 'on the line' very long because it's expecting to receive either a DTMF tone for unlock door within 5 to 15 seconds of the call being answered, or a disconnect such as if a person in their condo is holding a POTS phone and just hangs it up when an unknown person buzzes them, denying entry.

That’s correct, waiting for a push + acknowledgement would be too long which is why it just automatically does it.

I did the push so I’d be able to track unexpected usage and there wasn’t a single one the entire time.

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