In the Cisco Unified Contact Center Enterprise solution with clustering over the WAN, which
statement is true about the Cisco Unified Communications Manager Peripheral Gateway duplex
pair?

A.
Each side of the Peripheral Gateway pair (side A and side B) must be configured to point to a
local and a remote CTI Manager across the WAN from the PG location.

B.
The PG private network may be shared with any other private connections—PGs or Call
Routers/Loggers.

C.
The PG may use the highly available WAN connection between the sites (visible network) for all
traffic—visible and private.

D.
The PGs must be co-located at one side or the other of the Cisco Unified Communications
Manager cluster.