What is causing this issue?

Cisco TelePresence System EX90-A and EX90-B are in a call. EX90-A tries to call EX90-C. When the call is dialed, EX90-B is put on hold. EX90-A and EX90-C are connected, but there is no merge button on the touch panel.

What is causing this issue?
A . The multisite option key is missing.
B . The multisite configuration is missing.
C . The conference option key is missing.
D . The conference configuration is missing.
E . CiscoTelePresence systems cannot make multipoint calls without a Cisco TelePresence Server.
F . The multipoint option key is missing.

View Answer

Answer: A