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Yealink T4U Series IP Phones User Guide
14
NO. Item Description
5
MESSAGE Key Accesses your voice messages.
HOLD Key Places a call on hold or resumes a held call.
Only the T46U phones have a HOLD key.
REDIAL Key Redials a previously dialed number.
TRANSFER Key Transfers a call.
Only the T46U phones have a TRANSFER key.
6Speakerphone Key Toggles the speakerphone (hands-free) mode on or off. The LED indicator glows
green when the speakerphone is activated.
7Volume Key Adjust the volume of the handset, headset, speaker.
8Keypad Keys Allow you to enter numbers, letters, and special characters. If a menu item has an
index number, you can use the keypad keys to select the item.
9
Navigation Keys Scroll through information or options displayed on the screen.
Access History and Directory respectively.
OK Key Confirms actions or answers incoming calls.
Cancel Key Cancels actions or rejects incoming calls.
10 Soft Keys Access the function displayed on the screen above the soft keys. The soft keys
change depending on what you are doing at the time.
11 Speaker Provides ringer and speakerphone audio output.
12 Reversible Tab
Secures the handset in the handset cradle when the phone is mounted vertically. For
more information on how to adjust the reversible tab, refer to
Yealink Wall Mount
Quick Installation Guide for Yealink IP Phones
.
13 Hookswitch Connects or disconnects the phone from the phone line. The hookswitch is auto-
matically activated when a user lifts the handset from the cradle to get a dial tone.
Power LED Indicator
The power LED indicator indicates the call, message and phone’s system status.
LED Status Description
Solid red The phone is initializing.
Fast-flashing red (0.3s) The phone is ringing.
Slowly-flashing red (1s) The phone receives a voice mail or text message.
15


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