Open Platform Communications Unified Architecture

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Open, Open source, Open data, Open textbook, Open-source film, Open standard, Open collector, The Open Championship, Open-source car, Open Season (film series), Open-design movement, Doors Open Days, Open-source software, Open world, Open-source governance, Open House London, Open set, Open-source software movement, Open access, Canada Open, Open-pit mining, Open-source hardware, Open science, Open-source religion, Open plan, The Open Definition, Australian Open, Open marriage, Open.Michigan, Open-access repository, Open and closed maps, Open access in Belgium, Senior Open Championship, Open list, Taiwan Open (golf), Open-notebook science, X/Open, Open University, Irish Open (golf), Open Bogotá, Open House, Open-wheel car, Open sandwich, Open-Sankoré, Open the Door, Open-source software development, Chicago Open, Open education, Hybrid open-access journal, KSB Open, Kenya Open, Open gaming, Open university (concept), Open-ended, Philippines Open (badminton), OpenDocument, Open-source robotics, Phoenix Open, Open–closed principle, Open Graphics Project, Open-work charm, Open-core model, The Open Source Definition, Open Cycle, Garden Open, Mizuno Open, Wuhan Open, Irish Poker Open, Open Firmware, Open Barranquilla, Open letter, Near-open central vowel, Open house (school), Open-access monograph, Open chord, 2007 U.S. Open (golf), Victorian Open, Indonesia Open (golf), Open access in France, Open-source artificial intelligence, Open-Xchange, Open Season, Open Access Week, Thailand Open (golf), Open-source license, Brussels Open, Open-access mandate, Open Knowledge Foundation, Almost open map, North Dakota Open, Open E, Western Open, Open business, Open Door, Open-mid vowel, Open (sport), Open architecture, U.S. Open Pool Championship, Nursing Open, Thailand Open, Open classroom, Open-source ventilator, Open problem, The Open Ecology Journal, Open de Portugal, Open coopetition, 2005 U.S. Open (golf), BMJ Open, Women's British Open, Business models for open-source software, Open Up, Claro Open Floridablanca, Open educational practices, Open de Limoges, Biology Open, Open constituencies, Wide Open, OpenBSD, Open book, Danish Open (golf), Open water swimming, Dutch Open (golf), Open Doors, Heritage Open Days, List of open-source video games, Open government, Olympia Open, Yomiuri Open, Open market operation, Korea Open (golf), Free and open-source software, Maharashtra Open, Valero Texas Open, Alberta Open, Polish Open (golf), Gates Open Research, 1968 US Open – Women's singles, US Open Series, Open-container law, U.S. Open (golf), 2004 U.S. Open (golf), Open 13, 1984 U.S. Open (golf), 2007 US Open (tennis), OpenCL, US Open (tennis), Western Australian Open, Open implementation, Open-air museum, Open air, 2023 Open Championship