Aastra MBU 400 User Guide 21
Getting Started
MBU 400 IP Address and System Status
To set some advanced MBU configuration options using an Internet browser, the
System Administrator needs the IP address of the phone. You can view the MBU IP
address and status information from the 420d handset screen. For setting advanced
configuration options, ask your System Administrator or refer to the Aastra MBU
400 Administrator Guide
To view the IP address and status of the MBU, do the following.
1. After pairing the handset to the MBU, press the + volume button on the side of the
handset.
Navigation Keys - Scroll though menu items using
the left, right, top, and bottom navigational keys.
Star Key - Change the input mode while entering text
using the star key. The current input mode displays
on the upper right corner of the screen. (See Text
Input Modes on page 31 for text input details.)
Lock or unlock the keypad from idle mode using the
star key (press * then the Lock or Unlock softkey). A
key appears at the top of the handset display when
the keypad is locked. (See Locking/Unlocking the
Keypad on page 28 for details.)
Number Key - Toggle on or off the silent mode from
the idle screen by pressing the “#” key, and pressing
the Silence on or Silence off softkey as required
Volum e Ke ys - (Located on the side of the handset.)
Use the volume + and - keys during an active call to
adjust the call volume.
From idle mode, use the volume + key to view the
system status menu, including the MAC address and
IP address of your phone system.
Speakerphone Key - (Located on the side of the
handset.) Toggle the speakerphone on and off using
the speakerphone key.
Keys (Continued) Key Description (Continued)

*

#
+

-