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Aastra Telecom 9143i Series User Manual

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Advanced Operational Features
41-001160-03, Rev 00, Releaes 2.4 
6-25
Configuring Advanced Operational Features
Configuring Whitelist Proxy Using the Aastra Web UI
Use the following procedure to configure the Whitelist Proxy feature using the 
Aastra Web UI.
Aastra Web UI
1
Click on Advanced Settings->Global SIP->Advanced SIP Settings
2
The  "Whitelist Proxy" field is disabled by default. To enable this field, check the box.
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.
3
Click 
 to save your changes.
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