Yealink SIP-T41P - Manual (Page 123)

Advanced Phone Features
113
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 Enabled from the pull-down list of Subscribe for MWI.
5. Enter the period time in the MWI Subscription Period (Seconds) field.
6. Click Confirm to accept the change.
The IP phone will subscribe to the account number for MWI service by default.
Note
To enable Subscribe MWI to Voice Mail 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 Enabled from the pull-down list of Subscribe MWI To Voice Mail.
Whether the phone sends SUBSCRIBE messages for MWI service to the account or the
voice number depends on the server. Contact your system administrator for more
information.