Aastra MBU 400 User Guide 25
Using the 420d Handset
Using the 420d Handset

Handset Idle Screen

After successful registration of the handset to the MBU, the idle screen displays. The
following illustration describes the icons that appear on the idle screen.
*The various states for the connection status indicator are described here.

Idle Mode Options

When in idle mode, an Options softkey displays in the lower right corner of the
screen. Pressing the Options softkey displays the following options:
Call Log Options

Handset 1

08/05/08
01:55
PM
Call Log
For incoming, outgoing,
and missed calls (activated
with the left softkey). OK Key Indicator
Indicates that the OK
key can be used.
Connection Status Indicator*
(See the connection states
listed below.)
Battery Status
(and charging indicator)
Options
For redialing calls, viewing
active calls, landline calls,
and setting DND or call
waiting.
Time and Date
Handset Name
Connection Status Description
Black | Black - Indicates out of range of the MBU
White | Black - Indicates within range of the MBU, but not
ready for SIP calls
White | White - Indicates within range of the MBU and ready
for SIP calls on primary line
Idle Mode Options
Redial Allows you to redial the last number dialed.
See Calling Using Redial on page 46.
Active Calls Displays the active calls for all handsets registered to the same
MBU.