centum call second

centum call second

(unit)
(CCS) A unit used (in North America) to quantify the total traffic running in a network. 1 CCS is 100 call-seconds. That means 1 CCS could be 2 calls of 50 seconds duration or 20 calls of 5 seconds duration.
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available capacity, in centum call seconds (CCS), on a trunk-by-trunk