Uniden AT4801 User Manual page 96

You select HDST/SPK in the main menu but
there is no registered cordless headset or
speakerphone.
The telephone number you have entered is
already stored in the directory.
A paging call is established to other system
extensions.
You set the primary line that is not plugged.
Call privacy is activated on the line you are
trying to reach.
The console is rebooting to complete
deregistering all extensions.
The console is resetting to default settings. Do
not power off the console during this period.
The redial list is empty.
The console is registering a cordless deskset,
handset, headset or speakerphone.
Registration of a cordless deskset, handset,
headset or speakerphone is failed.
The telephone system is in use. You cannot
deregister any extension at the moment.
The general mailbox is in use or an extension
is holding a call. You cannot reset the console
settings to default.
There are new calls in the caller ID history.
There are new messages in the general
mailbox.
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