Not sure if this meets your needs but you might check out DoorBird. They claim to work with several NAS solutions and have an API, as well as the usual phone- and tablet-notification and communication through their own service.
Not sure if this meets your needs but you might check out DoorBird. They claim to work with several NAS solutions and have an API, as well as the usual phone- and tablet-notification and communication through their own service.
Oof! Guess I should have looked at that.