Yealink SIP-T20 - Manual (Page 67)

Basic Call Features
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To place a call using the headset:
Do one of the following:
- With the optional headset connected, press to activate headset mode.
Press the line key to obtain a dial tone.
Enter the desired number using the keypad.
Press or .
- With the optional headset connected, press to activate headset mode.
Enter the desired number using the keypad.
Press or .
Note
To place multiple calls:
You can have more than one call on your SIP-T20P/SIP-T20 IP phone.
1. Press the line key.
The active call is placed on hold.
2. Enter the desired number using the keypad.
3. Press , or .
You can press or to switch between the calls, and then press again to
resume the desired call.
When you are not in another call, you can answer a call in three ways:

Using the handset

Using the speakerphone

Using the headset
Note
Answering When Not in Another Call
Call duration and destination will always appear on the LCD screen for the active call.
To permanently activate the headset mode, refer to Headset Prior on page 36 .
You can ignore incoming calls by pressing the X key. You can also activate Do Not Disturb
mode to ignore all incoming calls without rin g on your phone. For more information, refer
to
Do Not Disturb (DND) on page 61 .
You can forward incoming calls to someone else by pressing the TRAN key. For more
information, refer to
Call Forward on page 64 .