Patent attributes
A showing management system for automatically controlling access to an electronic lockbox utilizing showing appointment data maintained by the showing management system, whereby the showing appointment data is transmitted to the electronic lockbox and/or electronic key device. The electronic lockbox will open only when the actual access time is within the scheduled showing appointment time. The showing management system further programmatically matching a specific electronic lockbox with a specific Listing ID, whereby lockbox access data from an electronic lockbox are matched with showing appointment records maintained in the showing management system to complete the lockbox access records when the Listing ID for a particular showing appointment is missing from the lockbox access record.