Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| ansaphone | another name for a telephone answering machine. |
| answerphone | a device that automatically answers incoming telephone calls. |
| autodial | to dial a telephone number automatically. |
| bluejacking | the sending of unsolicited messages over Bluetooth to Bluetooth-enabled devices such as mobile phones. |
| calltime | time available for use in making calls on a mobile phone; the time used on a single phone call. |
| cameraphone | a combined camera and phone. |
| camphone | a combined camera and mobile phone. |
| cardphone | a public telephone from which calls are made using a prepaid plastic card. |
| careline | a telephone service set up by a company or other organization to provide its customers or clients with information about its products or services. |
| carphone | a phone for use in a car. |
| cellphone | a portable telephone for use in a cellular radio system. |
| cellular | consisting of, characterized by or containing cells or compartments; (noun) a cellular phone. |
| cordless | without a cord; (noun) a cordless telephone. |
| detectophone | a secret telephone for eavesdropping. |
| dial | the face of a watch or clock; (verb) to dial eg a telephone. |
| dialer | one who dials. |
| dialler | one who dials. |
| erlang | a unit of traffic intensity in a telephone system. |
| freephone | a telephone service whereby an organization pays the cost of certain incoming calls. |
| handphone | in SE Asia, a mobile phone. |
| helpdesk | a department providing advice by telephone. |
| helpline | an often free telephone line by means of which people with a particular problem may contact advisers who will help them deal with it. |
| minicom | a device used by deaf people allowing typed telephone messages to be sent and received. |
| mobcast | to broadcast over mobile phones. |
| mobe | (Sl.) a mobile phone. |
| mobey | (Sl.) a mobile phone. |
| mobie | (Sl.) a mobile phone. |
| mobisode | an episode of a TV show made for downloading and viewing on mobile phones. |
| moblog | a log comprising mobile phone messages. |
| moby | (Sl.) a mobile phone. |
| monomode | designating a very fine optical fibre (less than 10 micrometres in diameter), used in telecommunications. |
| monotelephone | a telephone that transmits sounds of one pitch only. |
| octothorp | the symbol # on a telephone or keyboard (hash mark, pound sign, number sign). |
| payfone | a coin-operated public telephone. |
| payphone | a coin-operated public telephone. |
| phonathon | a telephone-based fundraising campaign. |
| phone | (Short for) phone; (verb) to telephone. |
| phonecam | a digital camera incorporated in a mobile phone. |
| phonecard | a card used to make phone calls. |
| phoner | one who phones. |
| phreak | equipment to obtain free telephone calls; (verb) to use such equipment. |
| phreaker | one who uses equipment to obtain free telephone calls. |
| phreaking | making illegal phone-calls. |
| picturephone | a device which allows speakers on the telephone to see each other. |
| pocketphone | a mobile phone. |
| radiotelephone | an apparatus for carrying on wireless telephony by radio waves; (verb) to telephone (someon) by radiotelphone. |
| radiotelephonic | relating to the radiotelephone. |
| rechip | to change the electronic identity of (a stolen mobile phone). |
| redial | to dial again. |
| ringtone | a tune played by a mobile phone when a call is received. |
| robocall | a telephone call from an automated source that delivers a prerecorded message to a large number of people. |
| scrambler | a telephone device for scrambling a conversation. |
| sexting | the act of sending text messages of a sexual nature. |
| smartphone | a portable device combining a mobile phone and a computer. |
| speakerphone | a combination microphone and loudspeaker device for two-way communication by telephone lines. |
| superphone | a telephone with a high-speed processor that can perform many of the functions of a computer. |
| switchgirl | a women who operates a telephone switchboard. |
| talktime | the total amount of time available to the user of a telephone to make calls. |
| teleconnection | connection by telephone line. |
| telepheme | a message by a telephone. |
| telephone | an instrument for reproducing sound at a distance, esp by means of electricity; (verb) to contact someone by telephone. |
| telephoner | one who telephones. |
| telephonic | of, relating to, or conveyed by a telephone. |
| telephonically | (Adv.) TELEPHONIC, of, relating to, or conveyed by a telephone. |
| telephonist | a telephone switchboard operator. |
| telephony | the art or science of making telephones; the working or use of a telephone. |
| telepoint | a device located in a public place that activates cordless phones. |
| teleselling | selling by telephone. |
| telework | to work at home communicating with the office by telephone or computer. |
| textonym | one of several words that may be keyed into a mobile phone by pressing the same sequence of buttons. |
| textphone | a phone that can transmit text messages. |
| theatrophone | (Hist.) a telephone connecting callers to a theatre so they can listen to a live performance there. |
| toothing | the practice of trying to initiate sex with strangers using Bluetooth phone technology. |
| touchtone | (Tradename) having a pushbutton rather than a dial; (noun) a touchtone phone. |
| trimphone | (Tradename) a phone designed in the 1960s. |
| trunking | a system of sharing a number of radio channels between users of eg mobile phones. |
| videophone | a telephone equipped for transmission of video as well as audio signals so that users can see each other. |
| videotelephone | a telephone with accompanying means of transmitting a picture of each speaker. |
| viewdata | a communications system by which information can be received and requested by a telephone line, and shown on a video display unit. |
| viewphone | a phone that enables the caller to be seen as well as listened to. |
| vishing | the practise of making voip telephone calls in an attempt to elicit confidential information for financial gain. |
| visiophone | a videophone. |
| voicemail | the facility of leaving recorded messages by telephone. |
| voip | a system for converting analogue signals to digital so that the telephone calls may be made over the internet. |
| wireline | a telegraph or telephone line. |
| wiretap | to tap a phone wire so as to listen in to conversations. |
| wiretapper | one that taps telephone or telegraph wires. |