Joke Collection Website - Public benefit messages - Where can I cancel my fixed-line SMS business card?

Where can I cancel my fixed-line SMS business card?

China Telecom's caller ID cancellation method: edit the short message QX 10 and send it to 1000 1. If the code changes, you can edit the short message 0000 and send it to 1000 1. After a while, you will receive the message "The following value-added services have been opened", which explains the unsubscribe code in detail. For more service benefits, click on "official website" customer service 220 below to answer your questions.