How apartment buzzers actually work
What happens between someone pressing your unit number in the lobby and your phone ringing, start to finish.
What Pressing 9 Does on an Apartment Buzzer
Pressing 9 on an apartment buzzer plays a touch tone the lobby panel is listening for. Here is what the tone is, why 9, and why it is the weak link.
10 min readHow apartment buzzers actually work
From someone pressing your unit in the lobby to the door unlocking: every step in the chain, what can break at each one, and why it is all just a phone call.
5 min readWhy does my buzzer only ring one number?
Because the lobby panel is a phone dialler with one number field per unit. Here is what is actually in that box, and what it means for your options.
4 min read