Hyundai i20 Owner's Manual page 244

Convenient features
NOTICE
• If the caller information is saved in
your contacts list, the caller's name
and phone number will be displayed.
If the caller information is not saved
in your contacts list, only the caller's
phone number will be displayed.
• You cannot switch to any other
screen, such as the audio screen
or the settings screen, during a
Bluetooth call.
• Depending on the mobile phone
type, call quality may vary. On some
phones, your voice may be less
audible to the other party.
• Depending on the mobile phone
type, the phone number may not be
displayed.
• Depending on the mobile phone
type, the call switching function may
not be supported.
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