Cold-weather delivery buffers
Keep lobby doors unlocked for trusted couriers only when scheduled windows are active, preventing packages from freezing outside.
Give residents and on-call staff remote control over the buzzer-controlled doors you already trust, even when temperatures drop.

Keep lobby doors unlocked for trusted couriers only when scheduled windows are active, preventing packages from freezing outside.
Use rotating passcodes for snow removal, HVAC, and elevator technicians so each unlock remains tied to an approved visit.
Regional managers can oversee downtown towers and suburban townhomes without modifying the intercom cabinet.
Protobuzz makes it easy to automate the buzzer-controlled door release you already rely on.
Review recorded buzzer activity when investigating visitor calls during severe weather; a call record does not prove physical entry.
Manage deliveries for historic buildings while keeping original hardware.
Provide bilingual guest access for cultural hubs and campuses.
Support suburban and industrial developments without rewiring intercoms.
Start with the compatibility checker and setup guide. A shared brand name or neighborhood does not guarantee panel compatibility.
Protobuzz answers the most common questions about smart buzzer access, subscriptions, and getting started below.
Pair Protobuzz automations with snow and HVAC rotations so residents never wait in freezing temperatures.