PIN code Feature

user A has the PIN-Code call barring account 1000 and password 123456, international toll calls are restricted, and the international toll call prefix is 900. 

1. Log in to the USM web management system as the admin user.
2. Choose Routing > PIN-Code Barring.
3. Click New and create a PIN-Code barring policy, as shown in Figure 1.
   Figure 1 Creating a PIN-Code barring policy 
   
4. Enable PIN-Code barring for users.
5. Enable PIN-Code barring for call prefixes.
   1. Choose Routing > Call Prefixes.
   2. Click the  icon next to the call prefix that you want to enable PIN-Code barring and set PIN-Code Barring to Yes.

      For example, to enable PIN-Code barring for the international toll call prefix 900, set PIN-Code Barring for call prefix 900 to Yes.

   3. Click OK.