When assigning directory numbers to your Cisco TelePresence endpoints, which three of the
following attributes, are applicable? (Choose three)
A.
They should be reachable from the PSTN via direct inward dialing
B.
They should be reachable from existing telephones within enterprise network
C.
They should be reachable from other Cisco TelePresence customers via intercompany
providers
D.
They should be resolved via ENUM
E.
They should always be simpler four-to-five-digit extension in order to make them easy to dial
Explanation: