How to Silence Phone Calls (But Not Text Messages and Notifications)
iPhone tip: Use a Silent Ringtone to Screen Calls in Your Sleep - Richard K Miller
How to Make a Silent Ringtone to Ignore Specific Callers to Your iPhone | OSXDaily
How to Silence Phone Calls (But Not Text Messages and Notifications)
Ignore Unwanted Contacts With A Silent Ringtone [iOS Tips] | Cult of Mac
Download Free Silent Night Ringtone
How to Make a Silent Ringtone to Ignore Specific Callers to Your iPhone | OSXDaily
Pro tip: Create a custom ring tone with five seconds of quiet at the start. This way it will start by just vibrating, giving you time to react before the signal starts