Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call completion supplementary service for the VPN ""b"" service entry point; Part 2: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testin
The present document specifies the Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma for the VPN ""b"" entry point of implementations conforming to the standard for the Call completion supplementary service (SS-CC) as described in ETS 300 366 [1]. EN 301 452-1 specifies the Test Suite Structure and Test Purposes (TSS&TP) related to this ATS and partial PIXIT proforma specification.