User Guide SIP-T22P IP Phone
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5.
Enter the period time in the MWI Subscription Period (Seconds) field.
6.
Click Confirm to accept the change.
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.
5.
Enter the desired voice mail number in the Voice Mail field.