What is a characteristic ofCisco TelePresenceinteroperability?

A.
If you are in call with Cisco TelePresence,you must have another Cisco TelePresence
endpoint.

B.
Interoperabilityis possiblewith H.323, SIP,and skinny client endpoints.

C.
Interoperabilityis supported is supported only with specific video codecs.

D.
Interoperability with H.323 endpoints is supported.