Glossary

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Overflow
  • Generally, the generation of potential traffic beyond the capacity of a system or subsystem.
  • A count of telephone call attempts made on busy groups of trunks or access lines. See also high-usage trunk group, traffic overflow.
  • Traffic handled by overflow equipment.
  • Traffic that exceeds the capacity of the switching equipment and is therefore lost.
  • Excess traffic on a particular route, which is offered to another (alternate) route.
  • A condition existing within a digital computer resulting from an attempt to calculate a value that exceeds the numbering capacity of the machine. See arithmetic overflow. See also underflow.