Customizing Your Phone19You can customize your SIP-T28P IP phone by configuring the setting for time and date,display contrast, and ring tones, for example. You can add contacts to the phone’s localdirectory manually or from call history. You can also handle incoming calls from differentcontacts in different ways.This chapter provides basic operating instructions for customizing your phone. Thetopics include: General Settings Audio Settings Contact Management Call History Management BroadSoft Call Log System CustomizationsIf you require additional information or assistance with your new phone, contact yoursystem 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->Advanced Settings (password: admin) ->PhoneSettings->Contrast.2. Press or , or the Switch soft key to increase or decrease the intensity ofcontrast. The default contrast level is 6.