You can change your mobile device settings to display caller IDs based on the information stored in your Wantedly People contacts.
- Open Settings and tap 'Phone'
- Tap 'Call Blocking & Identification'
- Enable Wantedly People
(Only for iOS 10 and later)
- Tap the gear icon on your profile page of Wantedly People
- Tap 'Contacts'
- Turn on 'Sync contacts to device'