Artifact Details

Title

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

Document Titles

Dial pulse outpulsing control program

Document Titles

Disconnect programs

Document Titles

Multifrequency outpulsing control program

Document Titles

Outgoing call control program

Document Titles

Panel call indicator outpulsing control program

Document Titles

Revertive transmitter control program

Document Titles

Ringing programs

Catalog Number

102774942

Type

Text

Date

1971

Publisher

Bell Telephone Laboratories, Inc.

Identifying Numbers

Document number PR-1A133-14 Ringing programs
Document number PR-1A134-14 Disconnect programs
Document number PR-1A135-14 Outgoing call control program
Document number PR-1A136-14 Multifrequency outpulsing control program
Document number PR-1A137-14 Dial pulse outpulsing control program
Document number PR-1A138-14 Revertive transmitter control program
Document number PR-1A139-14 Panel call indicator outpulsing control program

Description

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

Category

Program Listing

Collection Title

Al Kossow collection

Credit

Gift of Al Kossow

Lot Number

X6512.2012