Grandstream Networks DP750 Administration Manual page 30

Speaker status
OFF - Speaker is inactivated
ON - Speaker is activated
Headset icon
Missed Call icon
Voicemail icon
Ringtone status
OFF - Ringtone off (Silent mode)
ON - Ringtone on
Keypad Lock status
OFF - Keypad unlock
ON - Keypad locked
DND Status.
OFF - Do Not Disturb disabled
ON - Do Not Disturb enabled
Call forward
Call waiting
Information
Account not registered
Account Registered
Error message
Handset number
Incoming Call notification
Outgoing Call notification
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DP750/DP720 Administration Guide
Version 1.0.11.4