Category
page 1Telephony equipment
telephone exchange
telecommunications system used in public switched telephone networks or in large enterprises
business telephone system
multiline telephone system typically used in business environments
utility pole
post used by public utilities to support overhead wires and related equipment
patch panel
device featuring a number of jacks for connecting and routing circuits
cordless telephone
portable telephone that connects to a landline

handset
thumb|Classic handset
thumb|Woman using a telephone handset (West Germany, 1988)
thumb|Early 20th century candlestick telephone which required only the receiver to be held to the ear (United States, 1920s–30s)

radiotelephone
thumb|Comparison of an amateur radio handheld transceiver, cell phone, and [[matchbox (the latter is not a phone)]]
patch cable
cable used to connect one electronic or optical device to another
analog telephone adapter
device for connecting analog telephones to a Voice-over-IP system
customer-premises equipment
terminal and associated equipment located at a subscriber's premises
loading coil
electronics circuit extension
Multi-service access node
shorthand for multi-service access gateway (MSAG), a device used in telecommunications

IMSI-catcher
thumb|IMSI catcher on display at the German Museum of Technology in Berlin
An international mobile subscriber identity (IMSI) catcher is a telephone eavesdropping device used for intercepting mobile phone traffic and tracking location data of mobile phone users. Essentially a "fake" mobile tower acting between the target mobile phone and the service provider's real towers, it is considered a man-in-the-middle (MITM) attack. The 3G wireless standard offers some risk mitigation due to mutual authentication required from both the handset and the network. However, sophisticated attacks may be able
Lobster Telephone
surrealist art sculpture
tin can telephone
speech-transmitting device
field telephone
wired, portable, military phones
main distribution frame
distribution frame where cables are cross-connected in telephony
Reed relay
electromagnetic relay employing a reed switch
telephone keypad
keypad that appears on a "Touch Tone" telephone
automatic call distributor
device that directs incoming phone calls
distribution frame
place at which telecommunications cables interconnect
25-pair color code
form of color code used in wiring
voice activity detection
technique used in speech processing in which the presence or absence of human speech is detected

FRITZ!Box
thumb|200px|Fritz!Box
thumb|Fritz!Box Fon WLAN 7170
Stingray phone tracker
cellular phone surveillance device
sound-powered telephone
communication device
telephone hybrid
telephone circuit component
cordless
thumb|Cordless phone
The term cordless is generally used to refer to electrical or electronic devices that are powered by a battery or battery pack and can operate without a power cord or cable attached to an electrical outlet to provide mains power, allowing greater mobility.
The term "cordless" should not be confused with the term "wireless", although it often is in common usage, possibly because some cordless devices (e.g., cordless telephones) are also wireless. The term "wireless" generally refers to devices that use some form of energy (e.g., radio waves, infrared, ultrasonic, etc.) to t
Siemens Enterprise Communications
Atos SE company
candlestick telephone
type of telephone
UNIStim
UNIStim (or Unified Networks IP Stimulus) is a deprecated Telecommunications protocol developed by Nortel (now acquired by Avaya) for IP Phone (terminals and soft phones) and IP PBX communications.
speakerphone
A speakerphone is a telephone with a microphone and loudspeaker provided separately from those in the handset. This device allows multiple persons to participate in a conversation. The loudspeaker broadcasts the voice or voices of those on the other end of the telephone line, while the microphone captures all voices of those using the speakerphone. The term speakerphone is also sometimes used for loudspeaker, as in "put it on speakerphone".
Service control point
component of an intelligent network architecture for managing telephony networks