Aastra SIP 53I Administrator's Manual page 269

Configuring Operational Features
Operational Features
Aastra Web UI
1 Click on Basic Settings-> Preferences->General.
2 In the "Message Waiting Indicator Line" field, select a single line from 1 to 9, or select "All" for all
lines. If you select a single line, the MWI illuminates when a voice mail message is pending on that
line. If you select all lines, the MWI illuminates when a voice mail message is pending on any line
from 1 to 9.
3 Click
41-001160-00, Release 2.1, Rev 04
to save your changes.
5-59