telephony

Almost in parallel with Germany’s telex system, Bell Labs in the 1930s decided to go telex one better, and began developing a similar service (with pulse dialing and all!) called “Teletype Wide-area eXchange” (TWX). TWX originally ran 75 bits per … Read More

Telecommunication is the extension of communication over a distance. In practice it also recognizes that something may be lost in the process; hence the term ‘telecommunication’ covers all forms of distance and/or conversion of the original communications, including radio, telegraphy, … Read More

A telephone company (or telco) provides telecommunications services such as telephony and data communications. Most of the largest telcos are or were at one time nationalized or state-regulated monopolies. With the advent of cellular telephony, telcos now include wireless carriers. … Read More