Administrator’s Guide for SIP-T2xP and SIP-T19P IP Phones
162
Message Waiting Indicator (MWI) informs users of the number of messages waiting in
their mailbox without calling the mailbox. IP phones support both audio and visual MWI
when receiving new voice messages.
IP phones support both solicited and unsolicited MWI. Unsolicited MWI is a server
related feature.
The IP phone sends a SUBSCRIBE message to the server for message-summary updates.
The server sends a message-summary NOTIFY within the subscription dialog each time
the MWI status changes. For solicited MWI, you must enable MWI subscription feature
on IP phones. IP phones support subscribing the MWI messages to the account or the
voice mail number.
IP phones do not need to subscribe for message-summary updates. The server
automatically sends a message-summary NOTIFY in a new dialog each time the MWI
status changes.
Procedure
Configuration changes can be performed using the configuration files or locally.
Configure subscribe for MWI.
Configure subscribe MWI to voice
mail.
For more information, refer to
Message Waiting Indicator on
page 362.
Configure subscribe for MWI.
Configure subscribe MWI to voice
mail.
Navigate to:
http://<phoneIPAddress>/servlet
?p=account-adv&q=load&acc=
0
To configure subscribe for MWI via web user interface:
1. Click on Account.
2. Select the desired account from the pull-down list of Account.
3. Click on Advanced.
4. Select the desired value from the pull-down list of Subscribe for MWI.
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