Aastra Telecom 41-001343-02 manual Transport Layer Security TLS

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 Save Settings to save your changes.

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.

6-16 41-001343-02 REV04 – 05.2014