Section 2(1)(ld) in Standards of Quality of Service of Basic Telephone Service (Wireline) and Cellular Mobile Telephone Service Regulations, 2009
(ld)"Network_QTD(s,t)" or "Network Quality of Service(QoS) DCR Temporal Distribution Measure" means the tth percentile value in the set of Day_Q(s) values for a network on all days in the assessment period;