Doorbell 3 Full Screen alerts

Hi All,New to this Doorbell World.i purchased the new doorbell3 yesterday and set it up but immediately noticed its not showing me automatic video when someone rings the bell at the door. It send me an alert which i have to tap to get the live view?..is that how its meant to behave?...if yes then its kind of a FAILi was under the impression the video pops up as soon as someone rings...if it doesnt then that kind of defeats the purpose..or is there somethign I am doing wrong.Regards,Varun