A
3
Features
3-8
Features
Step 3. Check all carriers available to call the stored telephone number
and their outside lines. Suppose there are three carriers available to call
the XYZ Company and each carrier’s line is assigned to an outside line as
follows:
Carrier E — Outside Line 1
Carrier F — Outside Line 2
Carrier G — Outside Line 3
Then check the fee charged by each carrier:
As shown in Table 2, 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:
Location
01
02
•
•
•
100
Entry
1234567890
Table 1
Example: Program Address [314] Leading Digit Table 1
12
a.m.
3
6
9
12
p.m.
3
6
9
12
a.m.
3
6
9
12
p.m.
3
6
9
Carrier G
Carrier F
Carrier E
Sat. / Sun.
Mon. – Fri.
Table 2
Charge
high
low
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.
Mon. – Fri.
(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.