Icons on the handset display
The display gives information about the operation of your telephone
On first use, it is sometimes necessary to wait for a few minutes of charge before seeing icons on the display.
When charging, the battery bars scroll from empty to full status. When the handset discharges, the battery shows the status : Full 
, 2/3 
, 1/3 
and empty 
.
The answer machine is activated (DECT 525). When blinking,this symbol indicates that there is a new message on the answer machine or on the operator voice mailbox. When fast blinking it shows that the answer machine is full.
The ring tone is deactivated.
An external call is in progress. When blinking, this symbol indicates that there is an incoming external call in progress or that the line is already busy.
An internal call is in progress. When blinking, this symbol indicates that there is an incoming internal call.
The handset loudspeaker is activated. When blinking, this symbol shows that the base loudspeaker is activated (only for DECT 525).
The SMS function is activated. When blinking, this symbol indicates that a new SMS has been received. When fast blinking, it indicates that the SMS memory is full.
The handset is registered and in range of the base. When blinking,this symbol indicates that the handset is not registered to the base.
Icons on the handset display | 3 |
http://www.philips.com/faqs/dect