A:Answer All Ring doorbells /cameras depend on a strong WiFi signal in order to work.
If the WiFi signal is weak, your doorbell/Camera will be offline.
"Events" are stored in the "cloud" for two months provided that you maintain a current subscription. First 30 days included. $ 30.00 per year thereafter.
You can download "events" at any time to your phone, computer, tablet, etc. for long term archival.
It does not "call" your phone. It notifies you of an "event" via a "pop up" to your phone, computer, tablet, etc.