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Meetings

A meeting session is a set of one or more people in a room together during a specific time window.

Meeting session objects contain information about who joined calls in your rooms, when, and for how long.

Each meeting session object has six fields:

  • A unique, opaque meeting session id,
  • The name of the room
  • A start_time (when the first user joined the session)
  • A duration
  • An ongoing boolean (true, if any participants are currently in the room)
  • A list of meeting session participants

The objects in the participants list four fields: join_time, duration, user_id, and user_name. join_time and duration will always contain valid data. user_id and user_name fields will be null if that information is not available for the participant.

The start_time and join_time fields are unix timestamps (seconds since the epoch), and have approximately 15-second granularity. (We generally do not write a "meeting join" record until a user has stayed in a room for at least 10 seconds. ) The duration fields are elapsed times in seconds.

Because rooms are often reused, the definition of a meeting session needs to account for what happens when people join and leave rooms in arbitrary sequences. Here are the rules that determine the start and end bounds of a meeting session: A new meeting session begins when:

  • A single participant joins the room and has been alone for 30 seconds.
  • A second participant joins the room prior to the 30 seconds.
  • A participant remains in a room alone for 10 minutes after all others have left

A meeting session ends when:

  • All users leave the room. (The participant count is zero)
  • A participant remains in a room alone for 10 minutes after all others have left. (The participant count decrements to 1 for 10 minutes)

The intent of 10 minute reset is to try to match users expectations about what a "meeting" is. Some of our users leave rooms open for long periods of time, and stay in that room, and then are periodically joined by other people for "meetings." Thus, a user's unbroken time in a room might span multiple meeting sessions.