Yealink SIP-T2xP Administrator's Manual page 179

5. Enter the period time in the MWI Subscription Period (Seconds) field.
6. Click Confirm to accept the change.
To configure 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 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.
Configuring Advanced Features
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