Aastra Telecom SIP 57I - Manual (Page 269)

Operational Features
41-001160-00, Release 2.1, Rev 04 5-59
Configuring Operational Features
Operational IP Phone 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 to save your changes.