Doorbell communication systems and methods

A method for using a doorbell system to detect a presence of an outside visitor and a presence of an inside visitor, the doorbell system comprising a doorbell having a speaker, a microphone, a camera, and a button, wherein the button is configurable to enable the outside visitor to sound a chime, the method comprising:

• detecting, by the doorbell system, the presence of the outside visitor while the outside visitor is located outside a building to which the doorbell is attached, wherein the building comprises a door having a lock configured to fasten the door to inhibit unauthorized entry into the building;
• and
• in response to detecting the presence of the outside visitor, detecting, by the doorbell system, the presence of the inside visitor while the inside visitor is located inside of the building.

A method for using a doorbell system to detect a presence of a first outside visitor and a presence of a second outside visitor, the doorbell system comprising a doorbell having a speaker, a microphone, a camera, and a button, wherein the button is configurable to enable the first outside visitor to sound a chime, the method comprising:

• detecting, by the doorbell system, the presence of the first outside visitor while the first outside visitor is located outside of a building to which the doorbell is attached, wherein the building comprises a door having a lock that is configured to fasten the door to inhibit unauthorized entry into the building;
• and
• in response to detecting the presence of the first outside visitor, detecting, by the doorbell system, the presence of the second outside visitor while the second outside visitor is located outside of the building.

A method for using a doorbell system to detect a presence of a first resident and a presence of a second resident, the doorbell system comprising a doorbell having a speaker, a microphone, a camera, and a button, wherein the button is configurable to enable the first resident to sound a chime, the method comprising:

• detecting, by the doorbell system, the presence of the first resident while the first resident is located outside of a building to which the doorbell is attached, wherein the building comprises a door having a lock that is configured to fasten the door to inhibit unauthorized entry into the building;
• and
• in response to detecting the presence of the first resident, detecting, by the doorbell system, an indication of a location of the second resident with respect to the building, wherein the second resident is located remotely from the building.