How to switch apartment buzzer apps without losing guest access
October 5, 2026 · Plan a directory change, recreate visitor rules, test door release and retire your old service after a successful cutover.
Protobuzz blog & automation playbook
Dig into migration checklists, automation tutorials, and real-world stories from residents, property managers, and hosts who modernized their buzzer workflows with Protobuzz.
Latest Protobuzz articles
Tutorials, migration plans, and smart buzzer inspiration for residents, hosts, and property teams.
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Upgrade your apartment buzzer without replacing hardware
September 29, 2026 · A renter's guide to connection checks, management requests, visitor rules, real subscription costs and a successful door-release test.
Introducing Project Hive
June 30, 2026 · Meet Protobuzz's open-source hardware initiative for modernizing legacy apartment intercoms with ESP32 devices, firmware, and custom PCBs.
Can a condo board ban buzzer forwarding apps?
May 6, 2026 · A practical look at condo policy, security anxiety, and what boards are really trying to control.
How delivery drivers actually experience your condo buzzer
May 5, 2026 · Why some buildings become delivery dead zones and how better buzzer workflows fix it.
What if my building buzzer won't call a VoIP number?
May 3, 2026 · Troubleshoot legacy condo and apartment buzzers that fail with VoIP or cloud-based phone numbers.
How to update a condo buzzer phone number
May 4, 2026 · A step-by-step guide to changing the phone number tied to a legacy condo buzzer without breaking access.
Why a condo buzzer only works with Toronto cellphone numbers
May 6, 2026 · A Toronto-focused troubleshooting guide for legacy condo buzzers with local-number dialing constraints.
Condo buzzer forwarding app guide
April 22, 2026 · Virtual buzzer numbers, backup call chains, and remote buzz-in without replacing condo hardware.
Remote buzzer unlock security checklist
March 18, 2026 · Permission design, audit trails, and safer mobile unlock workflows for existing buzzers.