The API for OSA is called Parlay, (or Parlay/OSA or OSA/Parlay) as the APIs are developed jointly in collaboration by 3GPP, ETSI, and the Parlay Group.
Australian Open | French Open | Open University | open source | U.S. Open | Public-access television | United States Department of Health and Human Services | General Services Administration | Wacken Open Air | Office of Strategic Services | Access Hollywood | The Open Championship | U.S. Open (tennis) | Catholic Relief Services | Amazon Web Services | Inter-Services Intelligence | All England Open Badminton Championships | Access Industries | U.S. Open (golf) | Returned and Services League of Australia | Open Source | Open-pit mining | Controlled-access highway | 2006 Australian Open | Open Software Foundation | Internet Message Access Protocol | Indira Gandhi National Open University | Tata Consultancy Services | NFL Total Access | Lamar Hunt U.S. Open Cup |