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1.20 Administrative Information Features
Feature Guide 165
outside party answers the call.
Note that Call Charge Calculation will not function if the call duration counter is set to "Instantly" when
Reverse Signal Detection is disabled.
• When Flat Duration is set to "0", the total of the Flat Charge and Unit Charge is charged immediately
after the preprogrammed length of time ( Call Duration Counter Start [204]) or the outside party
answers the call.
When Unit Duration is set to "0", the Flat Charge is charged immediately after the preprogrammed
length of time or the outside party answers the call. Then, the Unit Charge is charged just once, when
the Flat Duration expires.
[Example]
a) Flat Duration: 0 s; Flat Charge: 0; Unit Duration: 60 s; Unit Charge: 10
b) Flat Duration: 0 s; Flat Charge: 100; Unit Duration: 60 s; Unit Charge: 10
c) Flat Duration: 0 s*; Flat Charge: 10; Unit Duration: 0 s*; Unit Charge: 0
* In this case, Flat Duration and Unit Duration could be any value.
d) Flat Duration: 60 s; Flat Charge: 10; Unit Duration: 0 s; Unit Charge: 100
• Flat Charges and Unit Charges for each call charge rate (Peak/Off Peak/Economy) consist of up to 7
digits excluding the decimal point (e.g., 12345.67).
Charge
40
30
20
10
60 s
Duration
Waiting time before the
call duration counter starts
Charge
110
120
130
140
60 s
Duration
Waiting time before the
call duration counter starts
Charge
10
Duration
Waiting time before the
call duration counter starts
10
Charge
110
60 s
Duration
Waiting time before the
call duration counter starts