This fourth part of ETS 300 374 provides the Abstract Test Suite (ATS), the Abstract Test Method (ATM), ATS conventions, the partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma and the Protocol Conformance Testing Report (PCTR) proforma for the Service Switching Function (SSF) and the Specialized Resource Function (SRF) of the core Intelligent Network Appl
IN_DEVELOPMENT
prSSH ETS 300 374-4:1997 ed.1
40.20
DIS ballot initiated: 12 weeks
Feb 9, 2026
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