Doorzign
Doorzign is a digital, battery-powered e-paper door signage product built on Qbic hardware and operated by the small German software vendor Zeitwart UG, based in Osnabrück. It offers a cable-free digital nameplate/room-sign solution for offices, educational institutions and public buildings, with an optional upgrade path into Zeitwart's full room-booking and resource-management platform.
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Doorzign's portfolio consists of two software licence tiers running on shared Qbic e-paper hardware:
- Doorzign Basic — an unlimited, one-time licence for manual text/image display via a central web front-end, suited to nameplates and static signage
- Doorzign iCal-Connect — a three-year licence adding automatic calendar synchronisation (Microsoft 365, Google Calendar, iCal/RFC 5545 feeds) for meeting-room occupancy display
- Zeitwart upgrade path — optional migration to the parent's full room-booking platform, reusing existing Doorzign hardware Supported hardware includes the Qbic EP 400 (4.2") and Qbic EP 700 (7.5") e-paper displays with three freely assignable buttons, connected via the Qbic BXP-100 Bluetooth Low Energy gateway (up to 20 displays per gateway).
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