Public Switched Network

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
PSN
Pronunciation
/ˈpəblɪk swɪʧt ˈnɛtˌwərk/
Category
Governmental
Related Field
Military

Examples in Context

  1. The number of telephone lines connecting the subscriber's terminal equipment to the public switched network and which have a dedicated port in the telephone exchange equipment.
  2. In data communication, the connection through the public switched telephone network from a terminal to a service, network or computer.
  3. The integral DACT transmits system status to a central station via the public switched telephone network.
  4. An Integrated Services Digital Network device on a public switched telephone network.
  5. The number of lines and traffic of the Public Switched Telephone Network ( PSTN ) network have also been decreasing.

Other meanings of PSN