Reference13r3:Concept Multi-Video-Conference

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Description

The PBX conference object now supports multiple video streams. Not only one video stream of the current speaker, but video streams from all participating users.

Applies To

  • innovaphone PBX from version 13r3

Requirements

  • innovaphone PBX
  • Firmware V13r3xx
  • Endpoints supporting the multi-video signaling technology

Endpoints

In order to see multiple videos the endpoint must support the new multi-video signaling. Available endpoints are:

  • innovaphone Softphone-App (version 13r3 or higher)
  • innovaphone Phone-App (version 13r3 or higher) and a desk-phone
  • innovaphone Web Access Client

Multi-Video Signaling

A multi-video conference starts as any other traditional conference by calling a conference object (See "How to configure a conference object" for mor information). An audio-only connection is established at the very beginning. A welcome message might be played to the new participant (if configured). After this initial call setup the calling endpoint is joined into the conference room. It now can hear all other participants and can speak to other participants.

To every participant the conference room provides information about all current participants. This participant information block contains information about:

  • Display name
  • Status flags (e.g. is-muted, is-speaking, is-sharing, wants-to-speak)
  • Video stream information (contains information about available video streams of a participant)

After having the initial audio-only connection established, an endpoint with a video camera may establish additional video-send connections. These video-send signaling connections are independent from (but related to) the main connection (audio-only). Up to 3 video-send connections can be established with different quality/bandwith profiles:

  • LOW bandwith video stream (bandwith < 100 kbit/s)
  • MEDIUM bandwith video stream (bandwith < 250 kbit/s)
  • HIGH bandwith video stream (bandwith < 1000 kbit/s)

All these video streams are sent to the central conference. The central conference will broadcast these video streams to other particiants on demand.

Other participants get information about the offered video streams and other participants can

Bandwith Consideration

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