Aastra Telecom SISIP 57I CT - Manual (Page 129)

41-001160-00, Rev 01 Release 2.0 5-1
Operational IP Phone Features
Chapter 5
Operational IP Phone Features
About this chapter
Introduction
The IP phones have specific operational features you can configure to customize
your IP phone. This chapter describes each feature and provides procedures for
configuring your phone to use these features.
Topics
This chapter covers the following topics:
Topic Page
Operational Features page 5-3
User Passwords page 5-6
Administrator Passwords page 5-8
Locking and Unlocking the Phone page 5-9
Time and Date page 5-14
Hard Keys page 5-18
Softkeys/Programmable Keys/Feature Keys page 5-21
Locking IP Phone Keys page 5-35
Suppressing DTMF Playback page 5-37
Display DTMF Digits page 5-39
Busy Lamp Field (BLF) page 5-41
BLF Subscription Period page 5-48