How to manage Phone call settings?

1. Tap  Phone.
2. Tap  at the upper-right corner of the phone.
3. Tap Settings to view all phone settings.
4. Manage Phone call settings.
 Caller ID & spam: You can set the Caller ID and spam ID to identify business calls and prevent suspected spam calls.
 Accessibility: Accessibility includes TTY mode feature. TTY mode is an abbreviation that refers to all types of teletypewriters. TTY mode helps people who are hearing impaired or have difficulty in speaking.
 Assisted dialing: Assisted dialing predicts and adds a country code when you make a call abroad.
 Blocked numbers: You do not receive calls or texts from blocked numbers.
 Calling accounts: You can manage the calling accounts, call forwarding, call waiting, and incoming call settings.
 Display options: You can set the display of contacts and phone themes.
 Nearby places : When you search from  Phone, the feature needs your location to find nearby places that match your query, even if they are not
in your contacts.
 Quick responses: You can set to show buttons for ending call and sending SMS.
 Sounds and vibration: You can change the ringtone for calls and adjust the volume.
Voicemail: You can set the notifications and number of voicemail.
 Caller ID announcement: The caller's name and number are readout loudly for the incoming calls.
 Flip To Silence: You can place your phone face down on a flat surface to silence the incoming call.