Which two interworking functions are supported on the Cisco VCS? (Choose two.)
A. SIP-to-H.323
B. IPv4-to-IPv6
C. H.323-to-H.320
D. firewall traversal
Which two interworking functions are supported on the Cisco VCS? (Choose two.)
A. SIP-to-H.323
B. IPv4-to-IPv6
C. H.323-to-H.320
D. firewall traversal