Yealink SIP-T48S

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