you can view and speak with your guest if the doorbell camera has two-way talk capabilities.

The doorbell chimes like a regular doorbell when someone presses it. Some types of video doorbells employ motion detectors to identify when someone is on your front doorstep and immediately begin recording. Many doorbell cameras have a function of speaker, allowing you to communicate with visitors on your doorway using the app and the doorbell camera. You can view and speak with your guest if the doorbell camera has two-way talk capabilities.