Why didn't China Telecom send a message when the monthly rent of the mobile phone was deducted?

There is no SMS notification for China Telecom's monthly mobile phone rent deduction.

Telephone charges and deductions can be queried by logging in to the telecom online business hall with the mobile phone number and user password. You can also bring the original ID card to the local business hall for inquiry, and you can print detailed lists and invoices.

Established in 2002, China Telecom Group Corporation is a super-large state-owned communication enterprise in China and a global partner of the Shanghai World Expo and the Guangzhou Asian Games. It has been selected as one of the "Top 500 Enterprises in the World" for many years with a registered capital of 654.38+58 million yuan. Mainly engaged in comprehensive information services such as fixed telephone, mobile communication, satellite communication, Internet access and application.