There will be some SMS notifications when using wifi internationally. What is this?

"Tianyi WIFI International and Hong Kong, Macao and Taiwan Roaming Service" is a service that uses the original WiFi account to access the WiFi networks of overseas and cooperative operators in Hong Kong, Macao and Taiwan through Portal or Tianyi client to achieve Internet access. Suitable for Tianyi postpaid users who need WiFi when roaming internationally, Hong Kong, Macao and Taiwan. Login and threshold reminder of WiFi international, Hong Kong, Macao and Taiwan roaming services: 1, first login reminder on the same day: users need to send a reminder message to users through 100 1 for the first time in the international, Hong Kong, Macao and Taiwan roaming services. The content of the reminder message is: "China Telecom reminds that this mobile phone number is roaming with WiFi (for example, the United States), and the WiFi roaming fee is 1 yuan per minute. This article is a confirmation message, please use it! " . 2. Duration threshold reminder: When the cumulative roaming time of WiFi international, Hong Kong, Macao and Taiwan reaches 120 minutes in the current month, the user will be reminded for the first time, and it will be increased to the next reminder threshold in units of 120 minutes, such as 240 minutes, 360 minutes and 480 minutes. Send a reminder message via 1000 1, which reads: "China Telecom reminds that the roaming time of WiFi international and Hong Kong, Macao and Taiwan regions has reached XXX minutes this month. The actual use time is subject to the bill at the end of the month. " Different roaming places charge different fees. You can do it through SMS business hall and business hall. The instruction to open WiFi international and roaming short messages in Hong Kong, Macao and Taiwan is to send KTWIFIMY to 1000 1. The instruction to cancel the roaming SMS of WiFi International and Hong Kong, Macao and Taiwan is to send QXWIFIMY to 1000 1. The SMS instruction to query the WiFi account and password is to send WMMCX to 1000 1. The WiFi password modification SMS instruction is to send WMMXG# old WiFi password # new WiFi password to 1000 1. Inquire about specific information such as WiFi international, roaming directions in Hong Kong, Macao and Taiwan, and hotspots of cooperative operators. When using Tianyi WIFI international and roaming service in Hong Kong, Macao and Taiwan, you can call the customer service phone number18918910000 in case of service problems. Guizhou users pay attention to China Telecom. WeChat official account, Guizhou customer service, you can pay by WeChat, check the phone bill with one click, and you can operate the flow, points, bills and details yourself, which is convenient and fast. Customer service 45 will answer your questions.