How to check the free phone credit provided by Telecom?

Telecom's phone bill inquiry:

1. SMS business hall: Send text message "1" to 10001, and operate according to the reply information to check the phone bill situation of this machine. You can also directly send SMS instructions to 10001 to inquire about relevant fees.

2. Online business hall: Enter the product number and password, log in to the Jiangsu Telecom online business hall, and through the "Self-Service--Fee Inquiry" column, you can query Tianyi mobile phones, fixed-line phones, broadband, wireless broadband, The fees for Tianyi Campus Card.

3. Log in to the mobile phone business hall, enter the product number and corresponding password, log in to the mobile phone business hall, and through the "Expense Inquiry" column, you can check the fees for Tianyi mobile phones, landline calls, broadband, and Tianyi campus cards.

The specific query rules can be searched from Baidu’s “Jiangsu Telecom 10000 Know”: Self-service phone bill query method