Setup and use FreeSwitch

This program looks like something I can use. Unfortunately, I don’t really understand how it works or how to set it up for use. Any ideas?

You mean this one [OpenWrt Wiki] FreeSWITCH on OpenWrt intro

Sorry I don’t know how to use as well.

The URL that alzhao posted contains the following Warning:

Telephony systems like FreeSWITCH are targeted by criminals to commit toll fraud. If you fall victim to toll fraud this can cost you a lot of money. You are responsible for the security of your sytem. Make sure all security measures are in place before bringing FreeSWITCH online.

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