3CX Online Advanced Training: VoIP Calls in detail


In this video, we will look into VoIP Calls in detail, explaining the messaging content and exchange process.

Skills Covered

  • Protocols used for VoIP Calls
  • SIP and how it works
  • SDP and negotiating media exchange parameters
  • Example Message flows
  • SIP exchange for Extension-to-Extension calls
  • SIP exchange for Extension-to-External calls

Review the full course of 3CX Phone System Training Videos at http://www.3cx.com/3cxacademy/videos/

Additional Reading

Watch the previous video in this course Bridge Configuration  |  Watch the next video in this course Troubleshooting 3CX Phone System 

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