State of the art telecommunication products
Using Line Keys(Defined by DSS Key)
User can use line key to make or answer a call on specific line. If handset has been lifted, the audio
channel will be opened in handset, otherwise, the audio channel will be opened in hands-free
speaker or headphone.
4.3
Screen User Interface
Figure 5 - Screen Layout / Default Standby Screen
The screen user interface is mostly presented in the above layout except some prompt messages.
The upper area is the main screen to display the device’s status and information or data for viewing
or editing. The lower area is the software menu (soft-menu) buttons
which will change against user’s
action or device’s status.
The above picture shows the default standby screen which is also the root of the soft-menu. The
default standby screen shows the greeting words and effective feature indications like voice
message, missed call, auto-answering, do-not-disturb, call forward, lock state, and the network
connectivity. User can get back to the default standby screen mostly by lifting and putting by the
handset.
The icon illustration is described in
Appendix I - Icon Illustration