How to get the instruction information of telephone charges through SMS business hall?

users of telecom mobile phones can edit the short message instruction "1" directly through their mobile phones and send it to 11, and 11 will reply the related instruction information of the short message business hall in the form of short message. The user can further select the required service according to the content of the reply short message. Note: 1. Alphabetic instructions are not case-sensitive. 2. When roaming in China (excluding Hong Kong, Macao and Taiwan), handle or inquire about the business through the SMS business hall, and edit the SMS instruction and send it directly to 11. 3. The super-long messages sent by the SMS business hall to users will be split at punctuation marks, and each message will not exceed 7 characters after splitting. For more service offers, click on the "official website" customer service 324 below to answer your questions.