Yealink SIP-T20 User Manual page 72

User Guide for the SIP-T20P/SIP-T20 IP Phone
You can press a call return key to place a call back to the last incoming call.
To configure a call return key via phone user interface:
1. Press
2. Select F e atures->DSS Keys.
3. Select a desired DSS key.
4. Press
5. Press
6. Press
Call return key is configurable via web user interface at the path DSSKey->Line Key.
You can mute the microphone of the active audio device during an active call, and then
the other party cannot hear you.
To mute a call:
1. Press
The LCD screen indicates that the call is on mute.
To un-mute a call:
1. Press
You can place an active call on hold. Only one active call can be in progress at any time.
Other calls can be made and received while placing the original call on hold. When you
place a call on hold, your IP PBX may play music on hold to the other party while
waiting.
60
.
or to select Ke y Event from the Type field.
or to select Call Return from the Ke y Type field.
2. Key Type:
►
◄ Call Return
to accept the change.
during an active call.
1234
Mute 01:20
again to un-mute a call.