Telephone systems

Topic sh85133438 · id.loc.gov

Scope Notes

Here are entered general works on telephone systems. Works on telephone systems in a particular place are entered under [Telephone--[local subdivision].]

Used for

Telephony

Broader Terms (1)

Telecommunication systems

Hierarchy

Broader groupings: |

Narrower Terms (8)

Audiotex
Cell phone systems
Centrex telephone service
Digital telephone systems
Internet telephony
Telephone switching systems, Electronic
Telephone--Multiplex systems
Telephone--Private branch exchanges