Which two configurations are required for this solution?

An engineer is configuring Cisco TCS to record video conferences. The customer’s requirement is to configure 30 recording aliases and to enable automatic creation of future aliases. Which two configurations are required for this solution? (Choose two.)
A. SIP registration between Cisco TCS and Cisco VCS
B. configuring recording alias settings to copy on Cisco TCS
C. custom system call configuration on Cisco TCS
D. SIP registration between Cisco TCS and Cisco TelePresence MCU
E. H.323 registration between Cisco TCS and Cisco VCS