How does a telephone system work?

When a person speaks into a telephone, the sound waves created by his voice enter the mouthpiece. An electric current carries the sound to the telephone of the person he is talking to. The Transmitter of a telephone serves as a sensitive "electric ear." It lies behind the mouthpiece of the phone.

Click to read full answer. Herein, how does a landline phone work?

PSTN uses circuit switching to allow users to make landline telephone calls to one another. The call is placed after it is routed through multiple switches. Ultimately, voice signals are able to travel over the connected phone lines.

Furthermore, what are the uses of telephone? telephone. Device that coverts sound and electrical waves into audible relays, and is used for communication. The telephone consists of two essential parts; a microphone and a speaker. This allows the user to speak into the device and also hear transmissions from the other user.

Then, how do office phone systems work?

In a basic system, each line in the system has a separate phone number. You publish each phone number and treat each as a separate line. Both types usually offer features such as voicemail and call transferring, as well as a speaker system that allows a receptionist to alert employees to incoming calls.

What are the two types of telephone?

Types of Telephones

  • CandleStick-1890's.
  • Desktop Rotary-1920's.
  • Touch Tone-1960's.
  • Wall Touch Tone-1970's.
  • Cordless Phones-1980's.
  • First Moblie Phone-1983.
  • iPhone 6-Present Day.