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The A - Z of Telephone Accronyms

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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

O
O&O Owned & Operated
OAS Organization of American States
OATS Open Air Test Site
OB Outside Broadcast (remote originated broadcast)
OBFCC Olympic (Games) Broadcast Frequency Coordinating
Committee
OCBO Office of Communications Business Opportunities
(FCC)
OCST Office of Cable Signal Theft (of NCTA)
OC-x Optical Carrier Level (SONET)
ODA Open Data Aspplications
ODFM Orthogonal Frequency Division Multiplex
ODVA Open DeviceNet Vendor Association
OECD Organization for Economic Cooperation & Development
OEIC Optoelectronic Integrated Circuit
OET FCC Office of Engineering & Technology (formerly OST)
OFS Operational Fixed Service
OIC FCC Office of International Communications
OIRT Organization for International Radio & Television
OIT Inductive Output Tube
OIW Open System Environment Implementors Workshop
OM Operations Manager (at broadcast station)
OM&L Obstruction Marking & Lighting (for antenna towers)
OMB Office of Management & Budget (U.S. Government)
OMD FCC Office of Managing Director
OMG Object Management Group
OPA FCC Office of Public Affairs
OPP FCC Office of Plans & Policy
OPTS Overtheair Programming Teleservice
OQPSK Offset Quadrature Phase Shift Keying
OROM Optical Read Only Memory (for data storage)
ORTF Office de Radiodiffusion-Television Francaise
OS Off Screen
OS Operations System
OSF Open Software Foundation
OSHA Occupational Safety & Health Administration
OSI Optimum Source Impedance
OSI Open System Interconnect/Interconnection
OSM Office of Spectrum Management (NTIA U.S.
Commerce Dept.)
OSP Online/Operator Service Provider
OSS Operations Support System(s)
OST FCC Office of Science & Technology (renamed OET)
OSTP Office of Science & Telecommunications Policy
OTA Office of Technology Assessment (U.S. Congress)
OTA Over the Air Activation
OTAF OverTheAir Service Provisioning Function
OTAPA Over the Air Parameter Administration
OTASP Over the Air Service Provisioning
OTDR Optical Time-domain Reflectometers
OTL Output TransformerLess (in audio amplifiers)
OTO One Time Only
OTP Office of Telecommunications Polity (now NTIA)
OVS Open Video System/Services



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