How to check the phone bill of Beijing Unicom landline?

How to check the telephone charges of Beijing Unicom's fixed telephone can be done by the following methods: 1. Log in to the online business hall of China Unicom, use the fixed telephone number and service password, select the "Beijing" area and log in. Enter the home page, and select phone bill inquiry on the left to inquire about real-time phone bill or historical phone bill. 2. Call the local customer service hotline of Beijing Unicom with the fixed telephone to inquire, and inquire through the automatic or manual station; 3. Bring the owner's valid certificate to the Unicom business hall for inquiry.