Yealink SIP-T20 - Manual (Page 69)

Basic Call Features
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To redial the last dialed number from your phone:
1. Press twice.
A call to your last dialed number is attempted.
To redial a previously dialed number from your phone:
1. Press when the phone is idle.
2. Press or to select the desired entry from the placed calls list, and then
press or .
You can use auto answer to automatically answer an incoming call on a line. Auto
answer is configurable on a per-line basis.
To configure auto answer via phone user interface:
1. Press .
2. Select Settings->Advanced (password: admin) ->Accounts.
3. Select the desired account and then press .
4. Press or to select Enable from the Auto Answer field.
5. Press to accept the change.
The icon appears on the LCD screen.
You can also configure auto answer via web user interface at the path Account->Basic.
Note
13. Auto Answer:
◄ Enable ►
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14 Jun 03:16
Auto answer is only applicable when there is no other call in progress on the phone.