Do I have to replace the call box to modernize it?

Usually not. If your existing call box already dials a phone number, you can leave the hardware in place and change what it dials, pointing it at an app instead of a personal phone. Ripping out the panel for a video system is one option, but it means an installer, wiring, and typically a landlord or board decision, none of which a single resident controls.

What is the cheapest call box alternative for a single tenant?

Keeping the existing call box and adding a software layer is the cheapest path, because there is no hardware to buy or install. You give the building one virtual number to program, and an app answers the call box for you. Hardware replacements like ButterflyMX are priced for whole buildings and need owner approval, so they are rarely a per-tenant choice.

Can a property manager roll out a call box alternative across several buildings?

Yes, and software is usually the practical way to do it. Replacing panels building by building is slow and expensive, while a software approach reuses each building's existing call box by reprogramming the number it dials. That lets you standardize access across a portfolio without a construction project at every address.

Blog / Call Box Alternative for Apartments (Without Installing Hardware)

Call Box Alternative for Apartments (Without Installing Hardware)

By Ty · 2026-07-16

If your building’s call box is old, only rings one phone, or drops half your visitors to voicemail, you have two very different ways to fix it, and they cost wildly different amounts. One replaces the hardware. The other keeps it. Which one you can actually choose depends on whether you are a single tenant or you manage the building.

The options, compared

Alternative	What it involves	Best for
Replace with a video intercom (ButterflyMX, DoorBird)	New panel, wiring, installer, owner or board approval	Owners doing a full building upgrade
Ask the building to reprogram the existing call box	Point it at a different phone number	Anyone whose call box dials out
Add a software app on the existing call box	Keep the hardware, an app answers the call	Tenants and managers who want the app experience without construction
Live with it	Nothing	Buildings where the panel already works fine

The important split is hardware versus software. A video intercom is a real upgrade, but it is a building-level capital project: someone has to buy the panel, mount it, wire it, and maintain it, which is why a single resident almost never gets to make that call. Reprogramming or layering software onto the existing call box needs no new equipment, because most call boxes are already just phone dialers, so the “alternative” is changing what the box dials rather than what the box is.

Where Lowkey helps

Lowkey is the software alternative: it leaves your call box exactly where it is and answers the call for you. You give your building one virtual number to program in place of a personal phone, and from then on the call box rings the Lowkey app on every phone you choose. It opens the front door automatically or when a visitor enters a 4-digit passcode on the keypad, adds scheduled and time-limited access for cleaners and guests, and logs every entry, all without mounting a thing.

For a single tenant that means the app experience of a modern intercom for the price of a subscription instead of a renovation. For a property manager it scales across buildings by reusing each existing call box, so you can standardize access without an installer at every address, see property access software for the multi-building side. Either way it works with any call box that dials a phone number, on 99.99% uptime, with a 14 Day Trial to confirm compatibility first.