Basic videocourse of SIP (Session Initiation Protocol)

I would like a multi-class SIP tutorial, at first with the most basic concepts and increasing the level with each class, begining with a basic level and finishing with more advanced concepts, to learn and understand completely how working SIP networks. The minim total duration of the videocourse with all of classes is 30 minutes.

Skills: VoIP, Asterisk PBX, Software Architecture, Call Center, Twilio

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Project ID: #28322136