class MessageBird::VoiceMessage

def created_datetime=(value)
  @created_datetime = value_to_time(value)
end

def recipients=(json)
  json['items'] = json['items'].map { |r| Recipient.new(r) }
  @recipients = json
end

def scheduled_date_time=(value)
  @scheduled_date_time = value_to_time(value)
end