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ETSI - European Telecommunication Standard Institute(ETSI) produces globally-applicable standards for information and telecommunication technologies (ICT) including land, mobile, radio, converged, broadcast and internet technologies.
Open Service Access (OSA); Application Programming Interface (API); Test Suite Structure and Test Purposes (TSS&TP); Part 12: Charging SCF (Parlay 3)
Standard published on 16.2.2005
Selected format:Open Service Access (OSA); Application Programming Interface (API); Test Suite Structure and Test Purposes (TSS&TP); Part 2: Common data definitions
Standard published on 4.8.2003
Selected format:Open Service Access (OSA); Application Programming Interface (API); Test Suite Structure and Test Purposes (TSS&TP); Part 2: Common data definitions (Parlay 3)
Standard published on 16.2.2005
Selected format:Open Service Access (OSA); Application Programming Interface (API); Test Suite Structure and Test Purposes (TSS&TP); Part 3: Framework
Standard published on 4.8.2003
Selected format:Open Service Access (OSA); Application Programming Interface (API); Test Suite Structure and Test Purposes (TSS&TP); Part 3: Framework (Parlay 3)
Standard published on 16.2.2005
Selected format:Open Service Access (OSA); Application Programming Interface (API); Test Suite Structure and Test Purposes (TSS&TP); Part 4: Call control SCF
Standard published on 4.8.2003
Selected format:Open Service Access (OSA); Application Programming Interface (API); Test Suite Structure and Test Purposes (TSS&TP); Part 4: Call control SCF (Parlay 3)
Standard published on 16.2.2005
Selected format:Open Service Access (OSA); Application Programming Interface (API); Test Suite Structure and Test Purposes (TSS&TP); Part 5: User interaction SCF
Standard published on 4.8.2003
Selected format:Open Service Access (OSA); Application Programming Interface (API); Test Suite Structure and Test Purposes (TSS&TP); Part 5: User interactions SCF (Parlay 3)
Standard published on 16.2.2005
Selected format:Open Service Access (OSA); Application Programming Interface (API); Test Suite Structure and Test Purposes (TSS&TP); Part 6: Mobility SCF
Standard published on 4.8.2003
Selected format:Latest update: 2026-03-20 (Number of items: 2 268 518)
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