
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