telephone
telecommunications device that permits two or more users to conduct a conversation
Trackside telephone
communication device on a railway line or at an operating point, with which railway employees can reach other operating points
intercom
stand-alone voice communications system for use within a building or small collection of buildings, functioning independently of the public telephone network
door phone
electronic device for communication with someone outside a building
telephone model
type of telephone
speakerphone
telephone with a microphone and speaker separate from those in the handset
candlestick telephone
type of telephone
Push-button telephone
telephone that has buttons or keys for dialing
Joice
videophone
tin can telephone
speech-transmitting device
sound-powered telephone
communication device
mobile phone
portable device to make telephone calls using a radio link
videophone
type of phones
payphone
typically a coin-operated public telephone
Secure telephone
telephone for encrypted voice transmissions
Trading Turret
telephone
cordless telephone
portable telephone that connects to a landline
courtesy telephone
telephone for relaying messages to a specific person after being notified via a public address system, or for customers to seek information
Field telephone
wired, portable, military phones
landline telephone
telephone with a telephone wire; phone that uses a metal wire or fibre optic telephone line for transmission as distinguished from a mobile cellular line, which uses radio waves for transmission
emergency telephone
telephone used primarily to call emergency services
emergency telephone
telephone used primarily to call emergency services
Princess telephone
Telephone model