Title
Electronic switching systems no. 1 : arranged with 2-wire featuresCatalog Number
102774941Type
DocumentDescription
Items in this folder were originally bound. This folder contains multiple program listings. All listings are labeled "AT&TCo SPCS."Includes:
Line load control program
Multiline service observing program
Direct distance dialing service observing program
Incoming trunk test programs
Traffic measurements programs
Traffic data processing programs
Recent change update and control programs
Service order programs
Date
1970-1971Publisher
Bell Telephone Laboratories, Inc.Identifying Numbers
| Document number | PR-1A075-11 | Line load control program |
| Document number | PR-1A077-03 | Multiline service observing program |
| Document number | PR-1A078-10 | Direct distance dialing service observing program |
| Document number | PR-1A079-12 | Incoming trunk test programs |
| Document number | PR-1A081-14 | Traffic measurements programs |
| Document number | PR-1A082-10 | Traffic data processing programs |
| Document number | PR-1A083-14 | Recent change update and control programs |
| Document number | PR-1A084-14 | Service order programs |