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6.5 Selecting the Call progress tone plan
The device generates the call progress tones according to the tone setting. There are tone plans of 27
countries or regions predefined in the device, and you can select one of them. Or, you can define the
tone plan according to the national standard. You can make the change at
Advanced > Tone
.
7
Security
This document describes how to configure the device to protect from malicious users in the same public
network. Safety and security are the primary concerns, when the device is deployed in the public network.