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Recent News

Product updates and plain-language guides to apartment buzzers: how call boxes work, what a buzz code is, how to forward your buzzer to your phone, and what to do when it stops working. New to Enterkey? Start with the apartment buzzer guide or see how Enterkey works.

September 10, 2026

What Is a Call Box? Apartment and Gate Entry, Explained

A call box is the intercom panel at a building or gate that dials your phone so you can let visitors in. Here's how call boxes and call box numbers work.

September 9, 2026

ButterflyMX Alternatives: 6 Options for Renters and Owners

ButterflyMX is building-installed hardware. Renters cannot buy it alone. Compare 6 alternatives, including no-hardware apps for the buzzer you already have.

September 3, 2026

Apartment Intercom Not Working? What to Check, in Order

Apartment intercom not working? Check the panel, the phone number on file, and your own phone settings — then decide whether to repair or reroute it.

August 27, 2026

How Apartment Buzzers Work: Panel, Phone Line, Unlock

An apartment buzzer is a telephone in disguise: the entry panel dials a number, you answer, and a keypad tone unlocks the door. Here's each step.

August 20, 2026

Apartment Buzzer Without a Landline: Get Buzzed In by Cell

No landline? Most apartment buzzers dial a phone number, not a wire. Here's how to point yours at your cell or a virtual number.

August 13, 2026

How to Set Up an Apartment Buzzer to Call Your Cell Phone

Step-by-step: set up your apartment buzzer to call your cell phone, with or without a landline, and use a virtual number so you never miss a buzz.

August 11, 2026

What Is a Buzz Code? Apartment Buzzer Codes, Explained

A buzz code (buzzer code or buzzer number) is the 2-4 digit number visitors dial at your building's entry panel to ring your phone. Find yours, what to share.

February 26, 2026

Apartment Buzzer: End Roommate Lockout Frustrations

Apartment buzzer woes end here. Enterkey solves roommate lockouts with smart multi-access technology and no hardware installation.

February 10, 2026

Apartment Entry System: Modern Access Made Easy

Apartment entry system upgrades enhance building access and security. Learn how Enterkey’s app solves delivery and guest access problems with ease.

January 31, 2026

Apartment Entry System: Why Yours Fails & Works

Apartment entry system issues cause missed deliveries and security risks. Learn how Enterkey’s smart buzzer fixes access problems with remote control features.

January 28, 2026

Apartment Buzzer Not Working? Fixes and Tips

Apartment buzzer not working? Learn top fixes and delivery hacks to avoid missed packages.

January 16, 2026

Apartment Buzzer Problems and How Enterkey Solves Them

Frustrated by delivery failures and broken apartment buzzers? Discover how Enterkey’s smart buzzer system with temporary PINs and remote access solves…

December 5, 2025

Broken Buzzer? Temporary PINs Fix Apartment Deliveries

Discover how broken buzzers and outdated apartment entry systems lead to missed deliveries and security issues. Enterkey’s smart temporary PINs and remote…

December 2, 2025

Why 20% of Apartment Deliveries Fail and How to Fix It

Learn why delivery failures happen in apartment buildings and how Enterkey’s smart buzzer system solves these problems with remote access and temporary PINs.

November 22, 2025

Why Modern Apartments Need Smart Buzzer Access

Discover how Enterkey transforms outdated apartment building buzzers into modern smart access systems with secure PIN codes, remote buzzing, and…