AireSpring 
Yealink SIP-T57W BG Admin Guide
11
Preferences
In this section you will be able to customize:
 f General Settings – in here you may enable the page tip (?), set a maximum number of calls per line 
key, enable, and disable transfer call using a line key, conference key using soft keys.
 f Time and Date – in here you’ll be able to set time format (24 or 12 hours), date format, and much more.
 f  Call Display – in here you may enable avatar to display on your phone, call party information and 
display method.
 f  Display – it configures the intensity of the LCD screen when phone is active, inactive, it also configures 
the backlight time, background and expansion image, LCD Screen contrast.
 f  Power LED – it enables and disable the power led flash for missed calls, talk/dial power that will turned 
on when IP phone is busy, ring power light flash, voice/ text mail power light flash, hold/held power 
light on.
 f  Ring Tone – it configures ring type, system ringtone resources. Note: ring settings may be overridden if 
the incoming call includes an alert-info to indicate long distance, local, or intra-business calls.
 f  Headset – it activates and deactivates the headset key prior a call. Enable and disable dual headset 
jack. Configuring the headset key, ring device for headset. Dual headset setting will establish two way-
audio to the RJ9 connected headset and will put the USB connected headset in a listen only mode.
 f  Voice – it enables or disables the AEC (Acoustic Echo Canceller) feature.
 f  Input Methods – it specifies the default input method when searching, editing for contact whether 
is alpha, numeric, caps and /or lower case. Configure the access URL of the input method and delete 
uploaded input method files.