"TD service serial number" cancels the service; Comma in the middle

TD is the pinyin initials of the word "unsubscribe". If you need to cancel the service, you can reply to TD and add the serial number of the service to be cancelled according to the content of the short message, such as TD 1, TD2 ... multiple services can be separated by commas and sent to 10086. After the business is cancelled successfully, you will receive a prompt message.