LG KE820 User Manual page 109

Settings
] On
You can send your phone number to another party. Your phone number will be
shown on the receiver's phone.
] Off
Your phone number will not be shown.
Call waiting
(network dependent)
] Activate
If you select Activate, you can accept a waiting (receiving) call.
]
Cancel
If you select Cancel, you cannot recognize the waiting (receiving) call.
]
View status
Shows the status of Call waiting.
Minute minder
If you select On, you can check the call duration by a beep sound given every minute
during a call.
108
(Menu 9.5.4)
(Menu 9.5.5)