How to send someone call to voicemail iphone

- How to send call to voicemail iphone
- How to send someone's call straight to voicemail iphone
- How to send every call to voicemail iphone
- How to send incoming call to voicemail iphone
- How to send all call to voicemail iphone
- How to send call straight to voicemail iphone
- How to send a call to voicemail on iphone 15