Which two methods can be used to set the default call protocol of a Cisco TelePresence endpoint running TelePresence codec firmware? (Choose two.)
A. Use the GUI and set System > H.323 > Settings > Default Call Protocol > H.323.
B. Use the CLI command xConfiguration Conference 1 DefaultCall Protocol: H323.
C. Use the CLI command Conference Default Protocol: H323.
D. Use the CLI command Default Protocol: H323.
E. Use the GUI and set Configuration > System Configuration > Conference > DefaultCall > H.323.
