| Name | Type | Description | Notes |
|---|---|---|---|
| clientState | String | Use this field to add state to every subsequent webhook. It must be a valid Base-64 encoded string. | [optional] |
| commandId | String | Use this field to avoid duplicate commands. Telnyx will ignore any command with the same `command_id` for the same `call_control_id`. | [optional] |
| cause | CauseEnum | Cause for call rejection. |
| Name | Value |
|---|---|
| CALL_REJECTED | "CALL_REJECTED" |
| USER_BUSY | "USER_BUSY" |