Customizing Your Phone17You can customize your SIP-T22P IP phone by personally configuring certain settings, forexample, backlight, time & date and ring tones. You can add contacts to the phone’slocal directory manually or from call history. You can also personalize different ringtones for different callers.This chapter provides basic operating instructions for customizing your phone. Topicsinclude: General Settings Audio Settings Contact Management Call History Management System CustomizationsIf you require additional information or assistance with your new phone, contact yoursystem administrator.You can configure the backlight status on the LCD screen as the following types: Always Off: Backlight is turned off permanently. Always On: Backlight is on permanently. 15, 30, 60, 120: Backlight is turned off when the phone is inactive after the specifiedtime (in seconds).To configure the backlight via web user interface:1. Click on Settings->Preference.