Yealink SIP-T23P User Manual page 65

DND
You can use this key feature to activate or deactivate DND. You can also use this key
feature to access the custom DND screen. For more information, refer to
(DND) on page 77.
Dependencies:
Usage:
When the DND is in phone mode:
1. Press the DSS key to activate DND.
2. Press the DSS key again to deactivate DND.
When the DND is in custom mode:
1. Press the DSS key to access the custom DND screen.
2. Activate or deactivate DND for one or all accounts.
Note
When DND is activated, the incoming calls will be rejected automatically.
SMS
You can use this key feature to quick access text message. For more information, refer to
Short Message Service (SMS)
Dependencies:
Usage: Press the DSS key when the phone is idle to access text message.
Group Listening
You can use this key feature to activate the Speakerphone and Handset/Headset mode
at the same time. It is suitable for the group conversations which have more than one
person present at one end. You are able to speak and listen through the
handset/headset, while the others nearby can only listen through the speaker.
Dependencies:
Type (Key Event)
Key Type (DND)
on page 118.
Type (Key Event)
Key Type (SMS)
Type (Key Event)
Key Type (Group Listening)
Customizing Your Phone
Do Not Disturb
55