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

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