User Guide

User Guide for the SIP-T23P/G IP Phone
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You can receive incoming calls from authorized numbers when DND is activated.
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 activated on the phone, the phone can still receive incoming calls from the
numbers specified in the DND Authorized Numbers field.
Note
To deactivate DND in phone mode:
1. Press the DND soft key when the phone is idle.
To deactivate DND in custom mode:
1. Press the DND soft key when the phone is idle.
DND authorized number is configurable via web user interface only.
When the phone misses a call, a prompt window will pop up by default. If you want to disable the
feature, contact your system administrator for more information.