Can someone find out when they call with a black card?

1. Call records and SMS sending and receiving records can be queried, but the contents cannot be queried.

2. Open the mobile online business hall, click Login, select a random password in login mode, enter the mobile phone number, and you will receive a short message with a password on your mobile phone. After input, you can log in.

3. After logging in, query the detailed list, and you can view the call records and SMS records.