Yealink SIP-T48G - Manual (Page 103)

Basic Call Features
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To view placed calls list when the phone is in the pre-dialing interface:
1. Pick up the handset, press the speakerphone key or tap the line key.
The touch screen displays the placed calls list.
You can tap or to scroll through placed calls page by page.
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. Tap ->Call Features->Auto Answer.
2. Tap the On radio box of the desired line.
3. Tap the Save soft key to accept the change or to cancel.