### equipment:

Telephone
* All telephones contain electronic components that are sensitive to radio.
* Are often card-operated.
* Many telephones let users store frequently-used phone numbers in the phone's memory
  - use small text displays that show dark characters on a mid-tone background
* Most telephones use conductive pads that are conductive thru and thru.
* Some telephones are able to store speed dialing lists.
* Some telephones have a switch that converts it from one to the other
  - tone pad, but the phone connection is still pulse dialing
  - both touch-tone and pulse capability
* allow almost instantaneous linkage between people anywhere on earth.
* are a rarity
  - capable of rings
  - communicates
  - communication devices
  - cools
  - crucial to summoning police, fire, or medical assistance in an emergency
  - electronic equipment
  - everywhere
* are fully automatic with direct dialling throughout the world
  - to most parts of the world
  - largely used in America between private houses and shops, cab stands etc
* are located in desktops
  - fraternity houses
  - hospitals
  - hotels
  - offices
  - phone booths
  - telephone booths
  - non-switchboard for direct use day or night
  - over a century old, but have yet to penetrate much of the globe
  - rotary, and have separate microphones and receivers, just as phones of that time did
  - telecommunication
  - the lifelines of the IT sector
  - tools that people use every day to make their jobs a little easier
  - ubiquitous and cellular services offer mobility
* are used for communicating
  - talking
* begin ringing in politicians' offices around the world.
* can fail due to power outages and downed or damaged cables.
* convert speech and data to electrical energy, which is sent great distances.
* directories is another resource for identifying certain types of organizations.
* directories, like web search engines, are big business.
* feature world-wide direct dial.
* have international direct dialling to most countries in the world
  - letters on the dialpad
* help to build interpersonal skills, which are more important than technical skills.
* includes circuits
  - telephone receivers
* is considered an informal means of communication
* is one of the easiest way of communication
  - fastest mediums to communicate with outside world
* move information from place to place as speech or as faxes
  - information, but power lines move energy
* operate with calling cards.
* provide a vital link to the outside world.
* ring when they receive additional voltage.
* switches only talk to telephones.
* tariffs the cost associated with local residential and business telephone service.
* telecommunication system which provide communication through conversation.
* tragicomic study in urban energy and rootlessness.
* vary in the number of telephone numbers it is set up to remember.

### equipment | telephone:

Cordless telephone
* are among the most popular of telephones used at home
* comprise a base station and a handset.
* transmit on frequency bands.

Handset
* Some handsets are as small as cell phones
  - cell-phones
  - have color screens and can display color images
* are electronic devices
  - part of telephones

Mobile telephone
* Use of mobile telephones.
* are like computers
  - low power radio devices that transmit and receive microwave radiation
* interfere with medical electrical equipment.

Public telephone
* Most public telephones are card-operated.
* Some public telephones accept credit cards and there are still some public phones that accept coins
* are accessible for the disabled and hearing-impaired
* have two different systems
  - systems, cash and callcard

Speakerphone
* are telephones.
* can cause sound disruption through echoing or sound breakup.