Yealink SIP-T23P User Manual page 90

User Guide for the SIP-T23/T23P/T23G IP Phone
2. Press the All On soft key to activate DND for all accounts.
3. Press the Save soft key to accept the change.
The icon appears on the idle screen and all line icons change to
Incoming calls will be rejected automatically and "n New Missed Call(s)" ("n"
indicates the number of missed calls) will prompt on the LCD screen.
To configure the DND authorized numbers via web user interface:
1. Click on Features->Forward & DND.
2. Select Enabled from the pull-down list of DND Emergency.
3. Enter the numbers in the DND Authorized Numbers field.
For multiple numbers, enter a comma between every two numbers.
4. Click Confirm to accept the change.
When DND is enabled on the phone, the phone can still receive incoming calls from
the numbers specified in the DND Authorized Numbers field.
Note
DND authorized number is configurable via web user interface only.
When the phone receives a voice mail, the voice mail prompt window will pop up by
default, if you want to disable the feature, contact your system administrator for more
information.
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