Glossary - Q
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Q
Quantity Above Threshold Indicator (QAT)
The sum of itemized call minutes that exceeds the minimum threshold of 1500 Minutes of Usage (MOU) that is eligible for a volume discount.
Quantity Type Indicator
A code that identifies the quantity type for local calling plan charges.
Query Indicator
An indication to subsequent nodes in the call path that a Local Number Portability (LNP) query has been performed. The industry has allotted the M bit within the Forward Call Indicator (FCI) for this purpose.
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