Aastra Telecom 55I, 57I CT, 53I manual Blacklist Duration, Range Example

Configuration Parameters

Advanced Operational Parameters

Blacklist Duration

Parameter –	Aastra Web UI	Advanced Settings->Global SIP Settings->
sip blacklist duration		Advanced SIP Settings
Blacklist Duration	Configuration Files	aastra.cfg, <mac>.cfg
(Aastra Web UI)
Description	Specifies 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.
	Note: The value of “0” disables the blacklist feature.
Format	Integer
Default Value	300 (5 minutes)
Range	0 to 9999999
Example	sip blacklist duration: 600

Whitelist Proxy

Parameter –	Aastra Web UI	Advanced Settings->Global SIP->
sip whitelist		Advanced SIP Settings
Whitelist Proxy	Configuration Files	aastra.cfg, <mac>.cfg
(Aastra Web UI)
Description	This parameter enables/disables the whitelist proxy feature, as follows:
	• Set to 0 to disable the feature.
	• Set to 1 to enable the feature. When this feature is enabled, an IP
	phone accepts call requests from a trusted proxy server only. The IP
	phone rejects any call requests from an untrusted proxy server.
Format	Boolean
Default Value	0 (disabled)
Range	0 (disabled)
	1 (enabled)
Example	sip whitelist: 1

Appendix A

41-001160-00, Release 2.1, Rev 04 A-175