User Guide for T5 Series IP Phones 
viii 
Wallpaper ............................................................................................................................................................. 35 
Configuring Transparency ............................................................................................................................. 38 
Screen Saver........................................................................................................................................................ 39 
Power Saving ...................................................................................................................................................... 43 
Configuring the Backlight .............................................................................................................................. 46 
Changing the Language ................................................................................................................................. 46 
Idle Clock Display .............................................................................................................................................. 47 
Time & Date ........................................................................................................................................................ 48 
Changing the Administrator Password .................................................................................................... 50 
Configuring Key As Send ............................................................................................................................... 50 
Phone Lock .......................................................................................................................................................... 51 
Audio Settings ........................................................................................................................................................ 55 
Adjusting the Volume ..................................................................................................................................... 55 
Ring Tones ........................................................................................................................................................... 55 
Configuring the Key Tone ............................................................................................................................. 58 
Contact Management ......................................................................................................................................... 58 
Configuring List(s) for the Directory Soft Key........................................................................................ 58 
Local Directory ................................................................................................................................................... 60 
Blacklist ................................................................................................................................................................. 68 
Mobile Contacts ................................................................................................................................................ 70 
Remote Phone Book ........................................................................................................................................ 72 
Call History Management .................................................................................................................................. 74 
Viewing History Records ................................................................................................................................ 74 
Placing a Call from History Records .......................................................................................................... 74 
Adding a Contact to the Local Directory/Blacklist ............................................................................... 75 
Deleting History Records ............................................................................................................................... 75 
Disabling History Record ............................................................................................................................... 76 
DSS Keys ................................................................................................................................................................... 77 
Line Keys ............................................................................................................................................................... 77 
Programmable Keys ......................................................................................................................................... 88 
Dial Plan .................................................................................................................................................................... 89 
Configuring the Replace Rule ...................................................................................................................... 90 
Configuring the Dial Now.............................................................................................................................. 91 
Configuring the Area Code ........................................................................................................................... 93 
Configuring the Block Out ............................................................................................................................ 94 
Using Bluetooth Feature .................................................................................................................................... 95 
Activating the Bluetooth Mode ................................................................................................................... 95 
Pairing and Connecting the Bluetooth Headset ................................................................................... 96 
Pairing and Connecting the Bluetooth-Enabled Mobile Phone ..................................................... 96 
Viewing the Bluetooth Device Information ............................................................................................ 99 
Editing Bluetooth Device Information .................................................................................................... 100 
Deleting the Paired Bluetooth Device .................................................................................................... 101 
Disconnecting the Bluetooth Device....................................................................................................... 101 
Deactivating the Bluetooth Mode ............................................................................................................ 101