There is always a virtual number calling, and the main card and the auxiliary card ring together.

There is always a virtual number to call, and the reason why the main card and the auxiliary card ring together may be because the main card and the auxiliary card have established contact or the number is connected.

If you want to intercept calls from these virtual numbers, you can try the following methods:

1. Open China Mobile App and click on My Service Hall.

2. Click on the harassment interception in the service hall page.

3. After entering the harassment interception page, click Open.

Please note that these methods may only be valid for some virtual numbers. If you can't solve the problem, it is recommended to contact your operator for more detailed help.