User Guide for the SIP-T48S IP PhoneviiiRegistration ............................................................................................................................................................. 34Touch Screen Display .......................................................................................................................................... 35Navigating Menus and Fields........................................................................................................................... 37Entering Data and Editing Fields..................................................................................................................... 38Customizing Your Phone ............................................................. 41General Settings .................................................................................................................................................... 41Wallpaper ............................................................................................................................................................. 41Transparency ...................................................................................................................................................... 44Screen Saver........................................................................................................................................................ 45Power Saving ...................................................................................................................................................... 49Backlight ............................................................................................................................................................... 52Contrast ................................................................................................................................................................ 53Language.............................................................................................................................................................. 54Time & Date ........................................................................................................................................................ 55Administrator Password ................................................................................................................................. 58Key As Send ........................................................................................................................................................ 59Phone Lock .......................................................................................................................................................... 59Audio Settings ........................................................................................................................................................ 62Volume .................................................................................................................................................................. 62Ring Tones ........................................................................................................................................................... 64Key Tone ............................................................................................................................................................... 66BLF Ring Type ..................................................................................................................................................... 67Contact Management ......................................................................................................................................... 68Directory ............................................................................................................................................................... 68Local Directory ................................................................................................................................................... 69Blacklist ................................................................................................................................................................. 87Remote Phone Book ........................................................................................................................................ 89Call History Management .................................................................................................................................. 90Viewing History Records ................................................................................................................................ 91Placing a Call from History Records .......................................................................................................... 91Adding a Contact to the Local Directory/Blacklist ............................................................................... 92Deleting History Records ............................................................................................................................... 93Disabling History Record ............................................................................................................................... 95Search Source List in Dialing ............................................................................................................................ 95System Customizations....................................................................................................................................... 97Headset Use ........................................................................................................................................................ 97Bluetooth Headset............................................................................................................................................ 99DSS Keys ............................................................................................................................................................. 106Account Management .................................................................................................................................. 118Dial Plan .............................................................................................................................................................. 121Emergency Number ....................................................................................................................................... 127Live Dialpad ....................................................................................................................................................... 128Hotline ................................................................................................................................................................. 128