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Barracuda Phone System

Yealink T20P IP Telephone Quick Reference Guide

  • Last updated on

This article explains the basic operation of the Yealink T20P IP telephone.


Place a Call

  • Lift the handset, press the speakerphone button or headset button.
  • Enter the number, then press #.


  • To redial the last number called, press the RD button twice.
  • To view previously dialed numbers, press the RD button once, then use the up and down arrow keys to scroll through the list. 
  • Press the RD button or the # key to dial the highlighted phone number.

Call Hold

  • To place an existing call on hold, press the Hold button.
  • To retrieve a call on hold, press the Hold button again.
    If multiple calls are on hold, press the appropriate line key before pressing Hold.

Call Transfer

  • To transfer a call in progress, press the Tran button.
  • Dial the destination number, then press #.
  • When the destination party answers, announce the caller, then press the Tran button to complete the transfer.
  • If there is no answer, press the Menu button and then Hold to return to the original caller.

3-Way Calling

  • Place (or receive) a call.
  • To add another party to the call, press the Conf button
  • Enter the destination number, followed by #.
  • When the destination party answers, press the Conf button again.
  • If there is no answer, press the Menu button, then press Hold to resume the call.

Call Forwarding

  • When your phone is idle, press the Menu button, then select Features > Forward.
  • Select Always, then press OK.
  • Enter the destination, then press the Save soft key.
  • To cancel call forwarding, use one of two methods:
    • Select Always, then use the left or right arrow key to select Disable
    • When the phone is idle, press the Tran button.

Voicemail Access

  • To access voicemail messages, press the Message button.
    Depending on your system configuration, you may be prompted for a voicemail PIN number.

Volume Control

  • Press the Menu button and select Settings > Basic > Phone Volume.
  • Select Handset, Speaker, Headset, or Ringer, then press OK.
  • Use the volume control button to adjust the volume, then press OK.
  • During an active call, the volume control button changes the volume of the handset, speakerphone or headset, whichever is active.

Call History

  • To view missed, received, or placed calls, press the up arrow key
  • Use the left and right arrow keys to choose between All CallsDialed CallsReceived CallsMissed Calls, and Forwarded Calls.
  • Use the up and down arrow keys to scroll through the list.
  • To dial a number, highlight it and then press OK.
Last updated on