Yealink SIP-T23P User Manual page 85

1. Press the OK soft key, the phone returns to the idle screen and call completion is
activated.
When the called party becomes idle, the following prompt appears on the LCD
screen of the phone:
2. Press the OK soft key to redial the number.
Note
Call completion is not available on all servers. For more information, contact your system
administrator.
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 Menu->Features->DSS Keys.
2. Select a desired DSS key.
3. Press
4. Press
5. (Optional.) Enter the string that will appear on the LCD screen in the Label field.
6. Press the Save soft key to accept the change or the Back soft key to cancel.
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 so that
the other party cannot hear you. Call mute applies to all modes (Handset, Headset and
Speakerphone).
or , or the Switch soft key to select Key Event from the Type field.
or , or the Switch soft key to select Call Return from the Key Type field.
Basic Call Features
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