What is a characteristic of Cisco TelePresence interoperability?
A.
If you are in call with Cisco TelePresence, you must have another Cisco TelePresence endpoint.
B.
Interoperability is possible with H.323, SIP, and skinny client endpoints.
C.
Interoperability is supported is supported only with specific video codecs.
D.
Interoperability with H.323 endpoints is supported.