Customizing  Your  Phone
 
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You can customize your SIP-T28P IP phone by personally configuring certain settings, for 
example, contrast, time & date and ring tones. You can add contacts to the phone’s 
local directory manually or from call history. You can also personalize different ring 
tones for different callers. 
This chapter provides basic operating instructions for customizing your phone. Topics 
include: 
  General Settings 
  Audio Settings 
  Contact Management 
  Call History Management 
  System Customizations 
If you require additional information or assistance with your new phone, contact your 
system administrator. 
You can configure the contrast of the LCD screen to a comfortable level. 
To configure the contrast via phone user interface: 
1.  Press Menu->Settings->Basic Settings->Display->Contrast. 
2.  Press          or      , or the Switch soft key to increase or decrease the intensity of 
contrast. 
The default contrast level is 6. 
 
3.  Press the Save soft key to accept the change or the Back soft key to cancel.