Aastra Telecom 57I C53I manual Features

Operational IP Phone Features

Operational Features

				OperationalIPPhone
	Aastra Web UI
1	Click on Advanced Settings->Global SIP->Advanced SIP Settings.
				Features
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.
	You must restart your IP phone for the changes to take affect.
4	Click on Operation->Reset.
5	In the "Restart Phone" field click		to restart the IP phone and apply the changes.

41-001160-00, Rev 01 Release 2.0 5-49