CallState | SignalWire

Payload for call state events that are triggered by the change in state of an active RELAY-controlled call. You can obtain instances of this state callback request by including a call_state_url parameter when starting a call with one of the following methods:

Parameters

Name	Type	Description
`event_type`	`string`	The value will be “calling.call.state”.
`event_channel`	`string`	ID for the event channel on which these room session’s events are reported.
`timestamp`	`number`	Time of the event.
`space_id`	`string`	ID for the SignalWire Space associated with the call.
`project_id`	`string`	ID for the project associated with the call.
`params`	`Object`	Event-specific parameters. This object contains the following eight fields.
`params.node_id`	`string`	ID for the node this call is on.
`params.call_id`	`string`	ID for the call.
`params.tag`	`string[]`	Client data this call is tagged with. Optional.
`params.device`	`object`	Protocol-specific connection information including the device `type`, `from_number`, and `to_number`.
`params.parent`	`object`	Information on the call that created this call including the parent `device_type`, `node_id`, and `call_id`. Optional.
`params.peer`	`object`	Information on the peer call this call is actively connected with including the peer `node_id` and `call_id`. Optional.
`params.call_state`	`string`	The current state that triggered this event. Possible values are `created`, `ringing`, `answered`, `ending`, and `ended`.
`params.created_by`	`string`	The method associated with this call state change. Optional. Possible values are “dial”, “connect”, and “receive”.