ETSI EN 300 188-6
ETSI EN 300 188-6
Final draft Version 1.4.1Integrated Services Digital Network (ISDN); Three-Party (3PTY) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specificat
standard published 12/01/2001 by European Telecommunications Standards Institute
