Turn on Do Not Disturb and allow calls to go to voicemail
Block the caller’s number so calls are sent to voicemail or rejected
Silence unknown callers if your phone supports it
Use call forwarding to send calls directly to voicemail
Let the phone ring until it goes to voicemail
Set a custom voicemail greeting if you want callers to leave a message
Contact your carrier to ask about direct-to-voicemail options
Use a third-party call management app if available on your device