satelite phone service

An old rotary telephoneA basic modern telephoneThis article is about telephone technology. For the game of telephone, see Telephone (game). For the band, see Téléphone.

The telephone or phone (Greek: tele = far away and phone = voice) is a telecommunications device which is used to transmit and receive sound (most commonly voice and speech) across distance. Most telephones operate through transmission of electric signals over a complex telephone network which allows almost any phone user to communicate with almost any other.

Touch-tone telephone

Introduction

A touch-tone telephone keypad

An elementary telephone system would consist of three elements:

the equipment located at each subscriber which converts sound to electrical signals and back, and which allows the subscriber to answer or initiate a call,a central switching facility which interconnects all the subscriberswiring or other means to connect the subscriber to the central switching facility.

There are three principal ways a subscriber may be connected to the telephone network:

Historically, and still very commonly, by dedicated physical wire connections run in overhead or underground cables;By radio, as in a cordless, cellular, satellite or radiotelephone andBy voice over internet protocol (VoIP) telephones, which use broadband internet connections. Satelite Phone at Satellitephone-ServiceCom. Home party supplies computer power supplies power ranger party supplies wholesale restaurant supply esthetician supplies high voltage power supply bowflex power pro xtlu power blowers austin powers case power supply power tap pro computer power sony supply cable flexible power breakers circuit power high speed internet service customer services internet fax service web design services voip service providers website design services phone service local car moving services ip phone services dating services chicago campaign email marketing services magazine printing services serviced office space answering service detroit 800 number service atlanta dating services computer fax service new york city limousine services merchant services providers business web site hosting services tandem marketing offers internet services billing service software flowers delivery service call centre service automobile transport service online investment services isp internet service internet service provider rating broadband service uk