| Name | Type | Description | Notes |
|---|---|---|---|
| callControlId | String | Call ID used to issue commands via Call Control API. | [optional] |
| connectionId | String | Call Control App ID (formerly Telnyx connection ID) used in the call. | [optional] |
| callLegId | String | ID that is unique to the call and can be used to correlate webhook events. | [optional] |
| callSessionId | String | ID that is unique to the call session and can be used to correlate webhook events. Call session is a group of related call legs that logically belong to the same phone call, e.g. an inbound and outbound leg of a transferred call. | [optional] |
| clientState | String | State received from a command. | [optional] |
| mediaUrl | String | The audio URL being played back, if audio_url has been used to start. | [optional] |
| mediaName | String | The name of the audio media file being played back, if media_name has been used to start. | [optional] |
| overlay | Boolean | Whether the audio is going to be played in overlay mode or not. | [optional] |