Enable Do Not Disturb - Cisco 8851 Administration Manual

Procedure
Step 1 On the Configuration Utility page, select Admin Login > Advanced > Voice > User.
Step 2 In the Supplementary Services section, choose Voicemail, Missed Call in the Handset LED Alert drop-down
list box.
The user can select User Login > Voice > User.
Step 3 Click Submit All Changes.

Enable Do Not Disturb

You can allow users to turn the do not disturb feature on or off. The caller receives a message that the user is
unavailable. Users can press the Ignore softkey on their phones to divert a ringing call to another destination.
If the feature is enabled for the phone, users turn the feature on or off with the DND softkey.
Procedure
Step 1
On the Configuration Utility page, select Admin Login > advanced > Voice > User.
Step 2 In the Supplementary Services section, choose Yes in the DND Setting drop-down list box.
Step 3 Click Submit All Changes.
Configure Synchronization of DND and Call Forward
Enable synchronization of Do Not Disturb (DND) and Call Forward to allow changes to these features that
are made on the phone to be made on the server. Changes made on the server are also made on the phone.
Procedure
Step 1 On the Configuration Utility page, select Admin Login > advanced > Voice > Ext [n] (where [n] is the
extension number).
Step 2
In the Call Feature Settings section, set the Feature Key Sync field to Yes.
Step 3 Click Submit All Changes.
Configure Star Codes for DND
You can configure star codes that a user dials to turn on or off the do not disturb (DND) feature on a phone.
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
Call Features Configuration
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