Yealink SIP-T20 User Manual
Page 14

User Guide for the SIP-T20P/SIP-T20 IP Phone
2
Hardware component instructions of the SIP-T20P/SIP-T20 IP phone are:
Item
Description
①
LCD Screen
Shows information about calls, messages, time, date 
and other relevant data. 
• Call information — Caller ID, call duration 
• Icons (for example, ) 
• Missed call text or second incoming caller information 
• Prompt text (for example, ―New Voice Mail‖) 
• Time and date 
②
Power Indicator LED Indicates phone power status and phone status.
③
Line Keys
Use these keys to activate up to two accounts and 
assign various features. 
④
MESSAGE Key
Indicates and accesses voice mails.
⑤
HEADSET Key
Toggles the headset mode.
⑥
TRAN Key
Transfers a call to another party.
⑦
RD Key
Redials a previously dialed number.
⑧
Speakerphone Key
Toggles the hands-free speakerphone mode.
⑨
Volume Key
Adjusts the volume of the handset, headset, speaker, 
and ringer. 
⑩
Keypad
Provides the digits, letters and special characters in 
context-sensitive applications. 
⑪
Scroll through the displayed information.
Confirms actions or answers an incoming call.
Cancels actions, rejects incoming calls, mutes or 
un-mutes calls. 
⑫
MENU Key
Enters the main menu of phone or returns to the previous 
interface. 
HOLD Key
Places a call on hold or resumes a held call.
CONF Key
Conducts a conference call with multiple other parties.
Directory Key
Enters the directory interface or switches the input 
mode. 
