Conference protocol

The protocol described in this article is used between the PBX conference object in the PBX and a conference interface. It's purpose is to handle additional calls from a client endpoint to the conference interface. This calls are established to handle more than one video streams from the conference interface. The following facility messages are currently known:

• Video setup
• Video connect

Depending on the value of the type property, different objects are defined. The following types are known:

This facility marks the call as a video call, informs about the direction and requests optionally a individual video stream with a given id. The bitrate argument informs about the own quality capability or the quality of a requested stream.

{
    "type": "video_setup",
    "mode": Video Direction Mode,
    "guid": string,
    "id": unsigned,
    "bitrate": unsigned,
}

This is a string defining the mode of the video direction. The following values are defined for this property:

This facility informs about the guid and video stream id and is an optional response to a created video channel or a message to set the requested stream quality.

{
    "type": "video_conn",
    "guid": string,
    "id": unsigned,
    "bitrate": unsigned,
}