AT&T Partner II - Manual (Page 126)

AT&T
Form B: Centrex Extension Numbers
Line Jack* Extension Jack*
Name/Description Centrex Extension No. Centrex Phone No.
Number Number
01 10
02 11
03 12
04 13
05 14
06 15
07 16
08 17
09 18
10 19
11 20
12 21
13 22
14 23
15 24
16 25
17 26
18 27
19 28
20 29
21 30
22 31
23 32
24 33
* Indicate any changes to default line jack numbers or extension jack numbers in the space provided in these columns, if applicable