call-speak-params

record call-speak-params {
  call-control-id: string,
  client-state: option​<string>,
  command-id: option​<string>,
  language: gather-using-speak-request-language-enum,
  payload: string,
  payload-type: option​<gather-using-speak-request-payload-type-enum>,
  service-level: option​<gather-using-speak-request-service-level-enum>,
  stop: option​<string>,
  voice: gather-using-speak-request-voice-enum,
}