Aastra Telecom 57I Manuel D’Utilisation

Handsfree key - Activates Handsfree for making and receiving calls without lifting 
the handset. When the audio mode option is set, this key is used to switch between 
a headset and the handsfree speakerphone.

Mute key - Mutes the microphone so that your caller cannot hear you (the light 
indicator flashes when the microphone is on mute).

Navigation keys - Pressing the UP and DOWN arrow keys lets you view different 
status and text messages on the LCD display (if there is more than 1 line of status/
text messages). These buttons also let you scroll through menu selections, such as 
the Options List.

Pressing the LEFT and RIGHT arrow keys lets you view the different line/call 
appearances. While in the Options List, these keys allow you to exit or enter the 
current option. When you are editing entries on the display, pressing the LEFT arrow 
key erases the character on the left; pressing the RIGHT arrow key sets the option.
Programmable keys - 6 Top keys: programmable hard keys (up to 6 programmable 
functions)

By default, the top keys 1 through 4 are assigned as Services, Directory, Callers List, 
and Intercom, respectively. Keys 5 and 6 have no assigned functions. All 6 keys are 
programmable and can be assigned to perform specific functions.

The following are the default functions for the programmable keys on the 55i IP 
phone:

1 - SERVICES

Accesses enhanced features and services such as XML 
applications and voicemail, provided by third parties. 

2 - DIRECTORY

Displays up to 200 names and phone numbers (stored in 
alphabetical order).

3 - CALLERS LIST Accesses the last 200 calls received.
4 - ICOM

Accesses another extension on the network.

5 - NONE

No assigned function.

No assigned function.

Note: For more information about configuring the programmable keys 1 through 6 to 
perform specific functions, see 

section, 

 on 

.