Within Avaya SBC, in which three places do you check the configuration of the SIP Trunks?

A customer reports that they cannot place calls to the Public Network using the SIP Service Provider after a technician had finished fixing an issue in the Session Border Controller (SBC).

Within Avaya SBC, in which three places do you check the configuration of the SIP Trunks? (Choose three.)
A . PPM Services
B . Media Interface
C . Routine Configuration
D . Signaling Interfaces
E . Server Configuration

Answer: C,D,E