digit of the destination subscriber number is received by the network. Refer to ETSI EG 202 057-2 V1.3.2 (2011-04) Call Time Setup Definition: The call set up time is the period starting when the address information required for setting up a call is received by the network and finishing when the called party busy tone or ringing tone or answer signal is received by the calling party. Where overlap signalling is used the measurement starts when sufficient address information has been received to allow the network to begin routeing the call. Equation: ETSI EG 202 057-2 V1.3.2 (2011-04) Fault Time Repair Definition:The duration from the instant a fault report has been made to the instant when the service element or service has been restored to normal working order. Equation:The percentage of faults cleared in a period ≤ 8Hrs to all faults. In this case the time should be reported together with the percentage. ETSI EG 202 057-1 V1.3.1 (2008-07) KIGALI, ON MAY 9,2013 Sé --------------------------- EUGENE KAZIGE CHAIRPERSON OF THE REGULATORY BOARD Regulations for Quality of Service of Cellular Mobile and Fixed Networks Services (Voice ,SMS and 3G Data Services ) 15