The type of the call (regular call or conference).
Identifier of the associated conference, if applicable.
Will be undefined if the call is not part of a conference.
The name associated with the connected number.
The number currently connected in the call.
Unique identifier of the call.
Indicates whether the call is currently muted.
Indicates whether the call is currently on hold.
Indicates whether the call is outgoing.
The current recording state of the call.
The current state of the call.
Indicates whether a supervised transfer is currently in progress.
Represents a call.