Artifact Details

Title

Electronic switching systems no. 1 : arranged with 2-wire features

Catalog Number

102774931

Type

Document

Description

Items in this folder were originally bound. This folder contains multiple program listings. All listings are labeled "AT&TCo SPCS."

Includes:
Line and trunk seizure of centrex attendant
Centrex call answering from any station
Centrex lamp control program
Centrex trunk preemption program
Call waiting program
Centrex simulated facilities program
LXX tandem tie line program
Busy verify program
Recorded announcement machine program
K-level interrupt program
SP operational programs
Feature values for generic edits

Date

1971-09-1971-10

Publisher

Bell Telephone Laboratories, Inc.

Identifying Numbers

Publication number PR-1A164-14 Line and trunk seizure
Publication number PR-1A165-12 Centrex call answering from any station
Publication number PR-1A166-14 Centrex lamp control prog.
Publication number PR-1A167-14 Centrex trunk preemption program
Publication number PR-1A168-14 Call waiting program
Publication number PR-1A169-14 Centrex simulated facilities program
Publication number PR-1A170-14 LXX tandem tie line program
Publication number PR-1A171-14 Busy verify program
Publication number PR-1A172-14 Recorded announcement machine program
Publication number PR-1A190-03 K-level interrupt program
Publication number PR-1A198-14 Feature values for generic edits
Publication number PR-1A200-10 SP operational programs

Category

Program Listing

Collection Title

Al Kossow collection

Credit

Gift of Al Kossow

Lot Number

X6512.2012