Association Control Service Element (ACSE)

The Open Systems Interconnection (OSI) method for establishing a call between two application programs. ACSE checks the identities and contexts of the application entities, and can apply an authentication security check.

ACSE is the message format (frame) used for Extended Protocol Specification for Electric Metering (ESPEM) protocol messages that are carried on OpenWay radio-frequency local area networks (RFLANs).