Aastra SIP 53I Administrator's Manual page 35

Overview
IP Phone Models
Function #
5
6
7
8
9
10
11
12
13
14
15
16
41-001160-00, Release 2.1, Rev 04
Function Description
Softkeys
Activates feature or option shown on the display above
the keys
Call key
Used to obtain dial tone
Also used as a Hold key
Dial Pad
Mute Key
When used, prevents the caller from hearing you
Headset Jack
Status Light
Release key
To end calls and go on hook
Exits Menu and the various lists
Menu Key
Access key to the different Options
Scrolls down when in the various lists
Used as Backspace during editing
Redial Key
Displays the last 10 numbers dialed
Charging Jack
Charging Contacts
Microphone
1-17