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ETSI EN 300 195-3
- Integrated Services Digital Network (ISDN); Supplementary service interactions; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user
- standard by European Telecommunications Standards Institute, 05/01/2000
- Publisher: ETSI
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Test specification for RE/SPS-05138-1