APPENDIX E: Administration Codes and Data
Table
TRUNK
(FOR ALL TRUNKS EXCEPT DID)
C O S |
| NIGHT | OUTWARD | I N | SHORT |
CODE |
| SERVICE | SIGNALING | ONLY | DISCONNECT |
0 |
|
| TT |
|
|
1 |
|
| TT | ● |
|
|
|
|
|
|
|
2 |
|
| TT |
| ● |
|
|
|
|
|
|
3 |
|
| TT | ● | ● |
|
|
|
|
|
|
4 |
|
| DP |
|
|
5 |
|
| D P | ● |
|
|
|
|
|
|
|
6 |
|
| DP |
| ● |
|
|
|
|
|
|
7 |
|
| DP | ● | ● |
|
|
|
|
|
|
8 |
| ● | TT |
|
|
|
|
|
|
|
|
9 |
| ● | TT | ● |
|
|
|
|
|
|
|
10 |
| ● | TT |
| ● |
|
|
|
|
|
|
11 |
| ● | TT | ● | ● |
|
|
|
|
|
|
12 |
| ● | DP |
|
|
|
|
|
|
|
|
13 |
| ● | DP | ● |
|
|
|
|
|
|
|
14 |
| ● | DP |
| ● |
|
|
|
|
|
|
15 |
| ● | DP | ● | ● |
|
|
|
|
|
|
