Optically capturable passcodes and audible passcodes for premises access

A system, comprising:

• at least one computing device, comprising:
• at least one processor;
• and
• at least one memory storing a plurality of instructions that, when executed by the at least one processor, cause the at least one processor to:
• register a person for access to a premises that is monitored by a premises monitoring system, the person being associated with a mobile device;
• generate a quick response (QR) code that is downloadable to the mobile device;
• generate an audible passcode;
• and
• cause transmission of the audible passcode to the mobile device, via a voice call, to cause a speaker of the mobile device to audibly output the audible passcode;
• a video doorbell device proximate an access location of a premises, the video doorbell device configured to:
• capture an image of a display of the mobile device, the image comprising a displayed QR code;
• and
• transmit the image to the computing device;
• the instructions being further configured to cause the at least one processor of the at least one computing device to:
• receive the image;
• verify that the displayed QR code in the image corresponds to the QR code;
• and
• in response to verifying that the displayed QR code corresponds to the QR code, transmit a message to the video doorbell device, the message configured to cause the video doorbell device to prompt the person that is proximate the access location to speak the audible passcode;
• the video doorbell device being configured to:
• receive the message;
• in response to the message, prompt the person proximate the access location to speak the audible passcode;
• record audio proximate the access location;
• and
• transmit the audio to the at least one computing device;
• and
• the instructions being further configured to cause the at least one processor of the at least one computing device to:
• verify that the audio corresponds to the audible passcode;
• in response to verifying that the audio corresponds to the audible passcode, determine that the person is authenticated;
• in response to determining that the person is authenticated, determine that the person is permitted access to the premises according to an access control policy;
• in response to determining that the person is permitted access to the premises according to the access control policy, cause the premises monitoring system to transition from an armed state to a disarmed state;
• and
• subsequent to causing the premises monitoring system to transition from the armed state to the disarmed state, cause a lock for an entrance of the premises to transition from a locked state to an unlocked state.