By A Mystery Man Writer
You can turn Do Not Disturb on or off in Control Center, with Siri, or in your Lock Screen gallery.
Do not disturb on iPhone will not turn off - Apple Community
What does 'do not disturb' do on the iPhone? - Quora
How to open the do not disturb mode in a screen locked iPhone - Quora
Permanently turn off Do Not Disturb on IP… - Apple Community
About emergency and government alerts - Apple Support
Is there a way to keep notifications silent but calls still ring
How to turn on Do Not Disturb on my iPad but not on my iPhone - Quora
About notifications - Apple Support
How to Use Do Not Disturb on Your iPhone (Guide)
How to turn off do not disturb from specific people on an iPhone
How to activate the 'do not disturb' option on Vodafone - Quora
If you hear no sound or distorted sound from your iPhone, iPad, or iPod touch speaker - Apple Support
Apple iPhone and iPad parental control guide