Reference:
Core Services is the platform component that manages account configuration, directory search, user membership, phone call routing, and agent assignment in Genesys Cloud CX. Core Services is a set of services that provide essential functionality and data for Genesys Cloud CX applications and integrations. Core Services include various features and functions, such as:
Account configuration
Directory search
User membership
Phone call routing
Agent assignment
Presence management
Notifications
Authentication
Authorization
Billing
Some other platform components of Genesys Cloud CX are Public Interface Services, Communication Services, Application Services, etc. Reference: https://help.mypurecloud.com/articles/platform-overview/ https://help.mypurecloud.com/articles/core-services-overview/