Cisco 7910G - IP Phone VoIP User Manual page 40

Activate Do Not Disturb (DND)
For visual call alerting and information without audible ringing, use DND. Calls receive normal call-forward-busy and
no-answer treatment.
To activate the Do-Not-Disturb feature, use the following method:
1. Press the more soft key to locate the DND soft key.
2. Press the DND soft key. A display text message indicates that the phone is in Do-Not-Disturb mode.
Note If DND is not set, pressing the DND soft key when a line is ringing forwards the call to the call-forward destination set
on the phone for that call only. If the call-forward destination is not set, pressing the DND soft key disables the ringer.
To deactivate the Do-Not-Disturb feature, repeat Steps 1 and 2.
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