Aastra Telecom 57I CT, 55I, 53I manual Configuring a Server Blacklist Using the Aastra Web UI

IP Phone Administrator Guide

Advanced Operational Features

FeaturesOperationalAdvanced	Configuring a Server Blacklist Using the Aastra Web UI
	You use the following procedure to configure Blacklist Duration using the Aastra
	Web UI.

	Aastra Web UI
1	Click on Advanced Settings->Global SIP->Advanced SIP Settings
2	In the “Blacklist Duration” field, specify the length of time, in seconds, that a failed server remains
	on the server blacklist. The IP phone avoids sending a SIP message to a failed server (if another
	server is available) for this amount of time. Valid values are 0 to 9999999. Default is 300 seconds (5
	minutes).
	For example: 600
	Note: The value of “0” disables the blacklist feature.
3	Click	to save your changes.

6-18 41-001160-00, Release 2.1, Rev 04