User Guide

20 Model 57i IP Phone Installation Guide
Customizing your Telephone
Headset Mic Volume
To adjust the headset microphone volume, press Advanced after selecting
the audio option, and then select the Low, Medium, or High volume level.
Call Forward
Use this option to call forward your phone. Use the and buttons to
move between the fields to set the call forward Number, Mode, and No.
Rings. The selectable call forward mode includes: All, Busy, NoAns (No
Answer), BusyNoAns (Busy No Answer), or Off; this is selected via the
and buttons.
Network
This is a system administrator level-only option, and requires a password
to access. See the SIP IP Phone Aastra 53i, 55i, 57i, 57i CT
Administrator Guide for details.
SIP Settings
This is a system administrator level-only option, and requires a password
to access. See the SIP IP Phone Aastra 53i, 55i, 57i, 57i CT
Administrator Guide for details.
Phone Status
This option allows you to:
• View your network status including your phone’s IP and MAC address
• View your firmware version
• Restart your phone
There is also a system administrator level-only option to reset the phone to
factory default settings. See your system administrator for details.
User Password
Use this option to change your user password. Valid values for entering a
password are 0 to 4294967295 (integers only; symbols and alpha characters
are not allowed). Default password is an empty string "" (field is blank).
Phone Lock
Use this option to lock the phone from unauthorized users. When the
phone is locked, users are unable to dial from the phone unless it has been
unlocked. To unlock the phone, press the button and enter either
the user or administrator password.
Note: While the phone is locked, only emergency number dialing is permitted. The
default permissible emergency numbers are 911, 999, 112, and 110; this is con-
figurable via the WebUI or configuration file.
Hint: To quickly lock your phone, press the button followed by the
key.