What is the travel worry-free SMS of China Mobile?

1. Log in to "Online Business Hall" and enter "Business Handling-Basic Business" to handle and cancel.

2. Edit the short message "KTDXCT+ Area Code" to "10086" to open the service. Edit the short message "QXDXCT" to 10086 to cancel the service. The area code is the area code of the city to be processed or the area code of the capital city of the province to be processed. For example, edit the letters "KTDXCT0 10" to "10086" to apply for directional long-distance concessions to Beijing; Edit the letters "KTDXCT03 1 1" to "10086" for directional long-distance discount to Hebei.

3, the owner himself with valid documents to the mobile company business hall.