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Operational Features
41-001160-00, Release 2.1, Rev 04
5-121
Configuring Operational Features
Operational IP Phone Features
Aastra Web UI
1
Click on
Advanced Settings->Global SIP->Advanced SIP Settings.
2
Enter a value, in seconds, from 120 (2 min) to 3600 (1 hour) in the "
BLF Subscription Period
" field.
3
Click
to save your changes.