Instituto Superior Técnico

Serviços de Informática

How to use Yealink T20 VoIP phone?

1 – LCD screen

2 – phone status light

3 – service line selection

4 – access to voicemail

5 – put in headset mode (headphones)

6 – call forward/transfer

7 – redial last number (redial)

8 – put on speakerphone

9 – call/ringer volume

10 – alphanumeric keyboard

11 – Navigation buttons/mic mute

12 – selection buttons

 

Answer a call

To answer a call, lift the handset or press one of the following buttons:

  • “Ok” (12)
  • “loudspeaker” (8)
  • “helpline” (3).

To hang up a call, hang up the handset or press the following button:

  • “Menu” (12).

Start a call

To initiate a call, you can do it in the following ways:

  • Dial the desired number and pick up the handset
  • Pick up the handset and dial the desired number
  • Dial the desired number and the “dial” button (3)
  • Dial the desired number and press the “loudspeaker” button (8).

To make outgoing calls, enter a zero (0) before the desired number.

 

Put a call on hold

  • With the call in progress, press the “Hold” button (12).
  • To resume the call, press the “Hold” button again (12).

 

Transfer a call

To transfer a call, you can do it in the following ways:

  • Press the “Tran” button (6), dial the desired number and hang up the handset
  • Press the “Tran” button (6).

To resume the previous call in case of no answer, you can do it in the following ways:

  • Press the “Hold” button (12)
  • Press the flashing “Service Line” button.

Conference call

  • With the call in progress, press the “conf.” (12) and dial the extension number to be added to the conference.
  • Press the “conf.” (12) again.

 

Pull call from another extension (pickup)

  • Dial ** followed by the extension you want to pull.

If it is an extension in the same group, dial *8.

Pickup groups are defined by DSI.

 

Consult voicemail

  • Press the “message” button (4) to consult voicemail messages.

 

View missed/received/outgoing calls

  • Press the “history” button (11) to consult the list of missed, received and made calls.
  • To dial, press the “Ok” button (11).

 

Save contact in phone book

  • To save a contact, press the button “Ab3.” (12) > 1. Local Directory  > 1. Contact List  > (New Item) >”Add” button.
  • Insert the contact details you want to add.
  • Press the “Ok” button (11).

Call forwarding

To divert calls, press Menu > Features > Forward

The following options appear:

  • Always – divert all calls
  • Not answered – divert after some time of not answering
  • Busy – divert if the extension is busy.