3.
Check all carriers available to call the stored telephone number and their outside line
groups. Suppose there are three carriers available to call the XYZ Company and each
carrier's line is assigned to an outside line group as follows:
Then check the fee charged by each carrier:
high
Charge
low
12
3
a.m.
As shown in Table b, the least costly route varies with the day of the week and the time
of day. To select the least expensive line at a certain time, split the day into three zones
as follows:
Sat. / Sun.
(1) 7:00 a.m. - 2:00 p.m.
(2) 2:00 p.m. - 5:00 p.m.
(3) 5:00 p.m. - 7:00 a.m.
To program the time zones above, use the program [313] ARS Time. Four time zones
(Time-A, Time-B, Time-C, Time-D) are provided. Enter the starting hour for each zone.
Features Guide
Carrier E — Outside Line Group 1
Carrier F — Outside Line Group 2
Carrier G — Outside Line Group 3
6
9
12
3
6
p.m.
Sat. / Sun.
Table c
(1) 7:00 a.m. - 1:00 p.m.
(2) 1:00 p.m. - 6:00 p.m.
(3) 6:00 p.m. - 7:00 a.m.
Carrier G
Table b
Carrier F
Carrier E
9
12
3
6
a.m.
Mon. - Fri.
General Features
9
12
3
6
9
p.m.
Mon. Fri.
–
19