THE SAS-40 ADMINISTRATOR'S TELEPHONE EXCHANGE SYSTEM,

Abstract

A Soviet-designed telephone intercom system with external trunk access is described. The system permits conference calls (max. 20 subscribers) through a central console. No direct circuits between extensions, by-passing the central console, are possible. Console has built-in mike and loudspeaker, plus handset for conversational privacy. External exchange (or PBX) is reached by dial. An extension 'hold' feature is provided.

Document Details

Document Type
Technical Report
Publication Date
Apr 03, 1970
Accession Number
AD0705216

Entities

People

  • R. R. Popovyants

Organizations

  • National Air and Space Intelligence Center

Tags

DTIC Thesaurus Topics

  • Communication Equipment
  • Intercommunication Systems
  • Loudspeakers

Fields of Study

  • Physics

Readers

  • Acoustics.
  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.