Aastra Telecom 41-001343-02 User Manual
Advanced Operational Features
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41-001343-02 REV04 – 05.2014
Configuring Whitelist Proxy Using the Aastra Web UI
Use the following procedure to configure the Whitelist Proxy feature using the Aastra Web UI.
Transport Layer Security (TLS)
The IP Phones support a transport protocol called Transport Layer Security (TLS) and Persistent TLS. TLS is a protocol
that ensures communication privacy between the SIP phones and the Internet. TLS ensures that no third party may
eavesdrop or tamper with any message.
that ensures communication privacy between the SIP phones and the Internet. TLS ensures that no third party may
eavesdrop or tamper with any message.
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.
an untrusted proxy server.
3.
Click Save Settings to save your changes.