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Yealink SIP-T4xU series Manual

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Yealink T4U Series IP Phones User Guide
12
T48U Hardware
No. Item Description
1Power LED indic-
ator Indicates call status, message status, and phone’s system status.
2Touch Screen
Allows you to select items and navigate menus on the touch-sensitive screen. Tap to
select and highlight screen items.
Shows information about calls, messages, time, date and other relevant data.
3HEADSET Key Toggles and indicates the headset mode. The key LED glows green when the headset
mode is activated.
4MUTE Key Toggles and indicates the mute feature. The key LED glows red when the call is muted.
5HOLD Key Places a call on hold or resumes a held call.
6TRANSFER Key Transfers a call to another party.
7Speakerphone
Key
Toggles and indicates the hands-free (speakerphone) mode. The key LED glows green
when the hands-free (speakerphone) mode is activated.
8MESSAGE Key Accesses voice mails.
9REDIAL Key Redials a previously dialed number.
10
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.
11 Volume Key Adjusts the volume of the handset, headset, and speaker.
12 Keypad Provides the digits and special characters in context-sensitive applications.
13 Speaker Provides ringer and speakerphone audio output.
14 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
… 13 …


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