The VCS Expressway can be configured with security controls to safeguard external calls and endpoints. One such option is the control of trusted endpoints via a whitelist.
Where is this option enabled?
A. on the voice-enabled firewall at the edge of the network
B. on the VCS under Configuration > registration > configuration
C. on the TMS server under Registrations > whitelist
D. on the VCS under System > configuration > Registrations