Hello, feixue.
The call barring polices service includes:
Call barring by calling number
Call barring by blacklist or whitelist
Call barring by personal blacklist
VoIP domain-based call barring
Password-based call barring
Call barring by card number and password
PIN-Code Service
Calling number authentication
Call barring by region
Anonymous call barring
Restriction on outer-office call duration
For details about the call barring policies, see Call Barring Policies in the Advanced Services section.
Let me know if my solution works out for you. Thank you!