Title
Electronic switching systems no.1: arranged with 2-wire featuresCatalog Number
102774929Type
DocumentDescription
Items in this folder were originally bound. This folder contains multiple program listings. All listings are labeled "AT&TCo SPCS."Includes:
Traffic service position system program
Temporary transfer program
Add-on and dial conference program
Centrex lamp and key signaling program
Hotel-motel program
Date
1971-09-1971-10Publisher
Bell Telephone Laboratories, Inc.Identifying Numbers
| Publication number | PR-1A150-11 | Traffic service position system program |
| Publication number | PR-1A160-14 | Temporary transfer |
| Publication number | PR-1A161-14 | Add-on conference |
| Publication number | PR-1A162-09 | Hotel-motel |
| Publication number | PR-1A163-14 | Centrex key signal director |