general/telephony

Microsoft Windows API

Telephony system

Use of computers to repeatedly enter telephone numbers; typically to hack into modems

Geographical area of the United States, used in telephone service

Electronic device

Telephone service provided via wire or cable

Telephone number input error

Electrical test equipment

Graph that plots density of telephones against GDP

Deliberate termination of telephone call by recipient

Audio communication over a telephone

Transportable digital infrastructure

Functions performed by a subscriber line interface circuit in telephone service

Software program

Company

Early electronic broadcasting method

Telephone message stating a call cannot be completed

Tolled telephone service

Conductors of a telephone line

Type of telephone used for installing and testing telephone lines

Modular business telephone system

Rotary telephone made of, or plated with, gold

Term in telephony

Component of analog telephones

Primitive acoustic messaging device

Type of American telephones by the Bell System