Which of the following statements is CORRECT about call rights and user rights on U1900?

Which of the following statements is CORRECT about call rights and user rights on U1900?
A . User rights are configured during prefix configuration.
B . The international call right can be used only for configuring the outgoing prefix.
C . The international call right can be used for configuring prefixes only starting with 900.
D . If you do not configure the user right when a user is being added, the user right is Normal by default.

Answer: B