This is a step by step setup of a modern phone system. I go through setting up the SIP Trunk, PBX Config, and User Phone. Save a HUGE amount of money with any phone system you are installing by doing this! Links: 3CX Phone Setup: https://www.3cx.com/phone-system/download-phone-system/?src=christitustech Flowroute SIP Trunks: https://www.flowroute.com/ Fanvil X3U Phone: https://amzn.to/2W1m2sO Raspberry Pi Setup Video: https://www.youtube.com/watch?v=P6CS5_CHy8s Timestamps: 00:00 Intro 00:27 SIP Install 01:35 PBX Install 03:29 PBX Management Console 04:15 Phone Setup 08:44 SIP Registration 09:35 Inbound and Outbound Rules 11:01 Phone Call Test 11:40 Web and Desktop Client . ►► Digital Downloads ➜ https://www.cttstore.com/ ►► Reddit ➜ https://www.reddit.com/r/ChrisTitusTech/ ►► Titus Tech Talk ➜ null ►► Twitch ➜ https://www.twitch.tv/christitustech