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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); Part 4: Call Control; Sub-part 5: Conference Call Control SCF (Parlay 5)
Standard published on 9.1.2007
Selected format:Open Service Access (OSA); Application Programming Interface (API); Part 5: User Interaction SCF (Parlay 5)
Standard published on 11.4.2005
Selected format:Open Service Access (OSA); Application Programming Interface (API); Part 5: User Interaction SCF (Parlay 5)
Standard published on 9.1.2007
Selected format:Open Service Access (OSA); Application Programming Interface (API); Part 6: Mobility SCF (Parlay 5)
Standard published on 11.4.2005
Selected format:Open Service Access (OSA); Application Programming Interface (API); Part 6: Mobility SCF (Parlay 5)
Standard published on 9.1.2007
Selected format:Open Service Access (OSA); Application Programming Interface (API); Part 7: Terminal Capabilities SCF (Parlay 5)
Standard published on 11.4.2005
Selected format:Open Service Access (OSA); Application Programming Interface (API); Part 7: Terminal Capabilities SCF (Parlay 5)
Standard published on 9.1.2007
Selected format:Open Service Access (OSA); Application Programming Interface (API); Part 8: Data Session Control SCF (Parlay 5)
Standard published on 11.4.2005
Selected format:Open Service Access (OSA); Application Programming Interface (API); Part 8: Data Session Control SCF (Parlay 5)
Standard published on 9.1.2007
Selected format:Open Service Access (OSA); Application Programming Interface (API); Part 9: Generic Messaging SCF (Parlay 5)
Standard published on 11.4.2005
Selected format:Latest update: 2026-05-15 (Number of items: 2 278 685)
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