PCS switching center
PCS switching center: In personal communications service, a
facility that (a) supports
access-independent
call control/service control, and
connection control (
switching) functions, and (b) is responsible for
interconnection of access and
network systems to support end-to-end services.
Note 1: The PCS switching center represents a collection of one or more network elements.
Note 2: The term "center" does not imply a physical location.
Source: from Federal Standard 1037C