Table of Contents

Optional MBU and Handset Tasks

19

Resetting the MBU

19

Manually Registering/De-registering a Handset

19

Registering Additional Handsets with the MBU

20

Factory Defaulting the MBU

20

Viewing the MBU 400 IP Address and Status Information

21

Accessing the MBU 400 Web UI

22

Using the MBU 400

24

Handset Idle Screen

24

Idle Mode Options

25

Handset Main Menu

26

Using the Volume Control

28

Using the Speakerphone

28

Locking/Unlocking the Keypad

28

Troubleshooting

29

Index

Index-1

xviii MBU 400 Installation Guide

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Aastra Telecom MBU 400TM manual Xviii MBU 400 Installation Guide, Optional MBU and Handset Tasks