T-span


Also found in: Medical.

T-span

A 24-channel group, which makes up one T1 line. See T1.
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References in periodicals archive ?
It has new low-cost option for Avaya VoIP recording, the T-SPAN configuration which does not rely on service observing or single-step-conference.
It can support remote data services through T1 or T-Span, or through fractional T1 circuits, as economically as POTS for single-line customers.