Click on an index letter to navigate through our glossary terms:
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OCC (OTHER COMMON CARRIER)
A communication transmission company other than AT&T or the local telephone company. See also LEC. -
OGT (OUTGOING TRUNK)
A trunk that carries outgoing traffic. -
OLAP (ON-LINE ANALYTICAL PROCESSING)
Software that allows for fast analysis of multidimensional information in a shared environment. The multidimensional aspect indicates that the data can be organized into multiple hierarchies, allowing for summaries or sub-totals at various levels to enable a better conceptual view of the data. -
OPX (OFF-PREMISES EXTENSION)
An extension that is not physically on the premises or facility but can act as if it were due to a wire connection to the location where it is. -
OVERFLOW
The excess traffic on a trunk group that is offered to another service.