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Enterkey

News & Guides

Product updates and plain-language guides to apartment buzzers. New to Enterkey? Start with the apartment buzzer guide or see how Enterkey works.

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Enterkey is an iPhone app for apartment buzzers and call boxes. Your building's directory entry dials an Enterkey number instead of a single phone, so every buzz rings everyone in your home, and a timed key or guest PIN lets couriers and guests in while you're busy or away. The guides below explain buzz codes, call boxes and intercom fixes in plain language.

LatestNovember 5, 2026

How to Let Someone Into Your Building Remotely

Three ways to let someone into an apartment building remotely: forward the buzzer to your phone, set a timed auto-unlock, or give a PIN.

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2026
24 articles
Nov 3

What Number Do You Press to Buzz Someone In?

Usually 9, sometimes 6, 0, * or #. Which digit opens your apartment door, why it works, and what to do when pressing 9 does nothing.

Oct 29

Intercom to Cell Phone: How Buzzer Calls Reach You

How an apartment intercom calls your cell phone: what forwarding does, how to set it up, what it costs, and when it will not work.

Oct 22

What Is the Buzzer Number in an Address?

The buzzer number in an address is the directory code visitors press at your building's panel. How to find it, how to write it, and why it still fails.

Oct 15

Airbnb Self Check-In With an Apartment Buzzer

How Airbnb self check-in works in a buzzer building: timed access windows, PIN entry at the panel, and what to tell your guest and property manager.

Oct 8

Gate Call Box: How It Works and How to Answer It

A gate call box dials a phone number when a visitor finds your name. Here is how gate boxes work, codes vs phone entry, and how to answer from anywhere.

Oct 1

Condo Buzzer to Cell Phone: How to Set It Up

Route your condo buzzer to your cell phone: how to tell if your panel can do it, who to ask on your strata or condo board, and what it costs.

Sep 24

Can You Use a Ring Doorbell in an Apartment?

Yes, a Ring doorbell can work on your apartment unit door, but it can't open the shared front entrance. Here's what works and what to do instead.

Sep 17

How to Use an Apartment Call Box, Step by Step

How to use an apartment call box: find the unit, press call, speak, then pull the door when it buzzes. Plus the setup steps residents miss.

Sep 10

What Is a Call Box? Call Box Numbers and Codes Explained

A call box is the panel at a building door or gate that dials a resident's phone. What a call box number and gate or call box code mean, and how to find yours.

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