Which design topology incurs a performance penalty since there are two encryption-decryption cycles between any two remote sites?
which measures can be taken at the building access layer to help eliminate latency and ensure end-to-end quality of service can be maintained?
Which two settings must be configured in order to use the GUI to configure Call Admission Control with voice applications?
Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for call admission control within existing H.323 environments?