20 Aastra MBU 400 User Guide
Getting Started

420d Handset Key Descriptions

The Aastra 420 handset has a front keypad as well as some side keys. These keys can be used to
customize your handset as well as make and manage calls.
The following table describes the keys on the key panel of your 420d handset.
Keys Key Description
Softkeys - Select from the right and left choices
displayed in the bottom corners of the handset
screen using the softkeys. The handset idle screen
softkeys are Call log (left key) and Options (right
key).
Green Key - Answer an incoming call with the green
key. From idle mode the green key connects to the
primary line (set as Landline or VoIP) and dials the
number you have entered or selected.
Red Key - End calls, return to calls placed on hold,
and exit menus using the red key. (Pressing the red
key while within a menu may exit without saving
changes.)
z
OK Key - Access the Main Menu from idle mode,
and use the OK key to select menu items whenever
the icon appears at the bottom of the handset
screen.
1
R
CLR
CLR
2
ABC
3
DEF
5
JKL
8
TUV
0
4
GHI
6
MNO
7
PQRS
9
WXYZ
*
#

R

R

CLR
CLR