DND is enabled by just hitting the top button without selecting a time frame or the manual icon. which created many instances were alarms are missed calls are not received due to going into DND without knowing!

p.s. the online training video supports the above as well

see below from your website

https://view.stryker.com/viewer/f5d92f3d553308a41afa346c9e699f6d?iid=67129fee7ee1f2b7d3ffa777

kindly fix.

thanks in advance