Cisco IP Phone 6851

Procedure
Step 1
Click Admin Login > advanced > Voice > Phone.
Step 2
Under General, enter the Voice Mail Number.
Step 3
Click Submit All Changes. The phone reboots.
Configure Voice Mail for each Extension
Procedure
Step 1
Click Admin Login > advanced > Voice > Extn.
Step 2
Under Call Feature Settings, enter the Voice Mail Server.
Step 3
(Optional) Enter the Voice Mail Subscribe Interval; the expiration time in seconds, of a subscription to a
voice mail server.
Step 4
Click Submit All Changes.
The phone reboots.
Configure the Message Waiting Indicator
You can configure the Message Waiting Indicator for separate extensions on the phone. The Message Waiting
Indicator lights based on the presence of new voicemail messages in the mailbox.
You can enable the indicator at the top of your IP phone to light when voice mail is left, or display a seeing
message waiting notification.
Procedure
Step 1
Click Admin Login > advanced > Voice > Extn.
Step 2
Under Call Feature Settings in the Message Waiting , choose Yes to enable.
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
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Configure Voice Mail