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How many callLegs are created when I use chat, audio/video and send/receive a presentation?

A callLeg is an element of a meeting in a space that you can access via the Meeting Server API.

The number of callLegs created for one participant depends on what device you are using to attend the meeting:

  • A participant on a Cisco Meeting App can use any combination of chat, video, audio and show/receive a presentation. These elements comprise one callLeg, and count as one participant. 
    Slaving an endpoint to a Cisco Meeting App does not change the callLeg count or the participant count (for example as reported in a CDR)
  • A participant in a meeting on a SIP endpoint can use video, audio and send a presentation. These elements comprise one callLeg, and count as one participant
  • A participant on a Lync client can use any combination of chat, video, audio and send a presentation. Any combination of these elements counts as one participant but each element is a separate callLeg. (Received presentations are displayed in the main video stream.)