Yealink SIP-T48G Administrator's Manual page 515

4. Enter the period time in the MWI Subscription Period(Seconds) field.
5. Click Confirm to accept the change.
To configure subscribe MWI to voice mail via web user interface:
1. Click on Account->Advanced.
2. Select the desired account from the pull-down list of Account.
3. Select Enabled from the pull-down list of Subscribe for MWI.
4. Select the desired value from the pull-down list of Subscribe MWI To Voice Mail.
5. Enter the desired voice number in the Voice Mail field.
6. Click Confirm to accept the change.
To configure the presentation of audio and visual MWI via web user interface:
1. Click on Account->Advanced.
2. Select the desired account from the pull-down list of Account.
Configuring Advanced Features
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