| Glossary | Yenra ® |
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0 | 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 Glossary O : Dictionary definitions of acronyms and terms beginning with the letter O OCR - Optical Character Recognition (such as is used by the scanning pen) OPX - Off-premises extension, an extension telephone, PBX station, or key system station located on property that is not contiguous with that on which the main telephone, PBX, or key system is located. | |
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