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