CVP Call/VXML Server is one of the core components of PCCE, as it provides voice response
applications that can interact with callers, collect information, and queue calls for treatment by
agents or other destinations. B Agent PG A and B side are another core components of PCCE, as they
provide communication between CUCM and UCCE/PCCE components, such as Router, Logger, and
CVP. Reference = [Cisco Unified Contact Center Enterprise Solution Reference Network Design
(SRND), Release 12.5(1)], page 9; Administering Advanced Cisco Contact Center Enterprise (CCEAA),
page 3
