Door bell 2 - button works, no notifications

Hi, I’ve had a constant issue with my video doorbell 2 from the start. It’s almost like it goes into a sleep mode. 9 times out of 10 when someone presses the button, the makes the noise outside and the button flashes blue. But it does not send a button push notification to my phone and does not set off the chime on my echos. I know it has a good WiFi signal, I checked the settings. I know the doorbell is awake because I get a notification to my phone as soon as it detects a person approaching it. I know the person presses the button because I can see them press the button on the video - because the doorbell detects a person it starts recording. I know the button mechanically works because the doorbell glows/flashes blue and makes a noise. I have uninstalled the app and manually reset the doorbell multiple times. I still get the same problem. More often than not now I miss my deliveries because the driver thinks the doorbell is working so doesn’t knock the door. Any ideas?