Advertisement
Numbering plan
9.1
0
10
11
20
21
22
23
24
25
26
27
30
40
41
42
5
61
62
66
69
70
71
8
9
TPU
1371Issue3(4/91)
Call extension 20 (Operator service)
Night service on
Night service off
lst Extension
2nd Extension
3rd Extension
4th Extension
5th Extension
6th Extension
7th Extension
8th Extension
Extension reset
Ring back when free
Exchange line 1
Exchange line 2
Call Park
Ringer on, line port 1
Ringer on, line port 2
Ringer off, both lines
Ringer on, both lines
Divert
Cancel Divert
Incoming call pick-up
Spare
Numbering plan
9-1
Advertisement
