A service provided by the telephone company, where the number of the caller is relayed to the number called. The number of the caller can appear on an ISDN telephone, an LCD screen, a computer screen, or another device.
A telephone service that allows a user with a phone equipped with a digital screen to see the number, and sometimes the name, of the caller. In a commercial setting this service often triggers a computer database to display other information about the caller.
A service provided by the phone company that sends the telephone number, date, time of the call, and in some cases the name of the calling party to the recipient of the phone call. Associated services include Caller ID Block, which prevents the call information from being sent from the caller's Central Office (CO) and Call Waiting/Caller ID which allows the call recipient to see the number of a second caller when already on another call.
a network feature that enables the number of an incoming caller to be displayed on a mobile phone's screen. Many clamshell / flip-style phones have a small, external screen specifically for this purpose, so you don't have to open the phone to view the main screen (which could automatically answer the call, if active flip is selected).
A feature that displays the name and/or number of the calling party either on a wireless phone screen or a separate device (as is often the case with a landline phone). Virtually all digital phones — as well as many analog phones — have this capability, which may be activated by a wireless service provider.
Short for Caller Identity Display or CID. It is a telephony network service that transmits the caller's telephone number to the called party's telephone equipment during the ringing signal or when the call is being set up but before the call is answered.
An identification (number, name) of the party being called. This identification is of interest when you transfer or forward a call. For example, when an unanswered call is forwarded to a voice messaging system, the called-ID of the original call is used to locate the mailbox of the called party.
An electronic, telephone related device that allows individuals to identify callers before answering the telephone. When a telephone rings, an electronic display registers the caller's name and phone number. Individuals often use caller id to screen their calls.
Subscribe to Caller ID services through your local phone company (rates and availability vary with locality), and phones with this feature will display the number (and sometimes name) of your caller as they ring. Models with Call Waiting Caller ID will display information for incoming callers when you're already on the phone. Note: Caller ID block (which blocks your name and/or number from appearing on someone else's caller ID) is also a service provided by your local phone company.
Common product name for Custom Local Area Signaling Services (CLASS), which allows people to see the telephone number of a caller between first and second ring. Local telephone companies offer the service for an extra charge. (See also ANI.)
A telephone company service that delivers the calling party's number to the called party. For example, in one method, the data is delivered to the called party in the interval between the first and second incoming rings using an ADSI modem. See also ADSI, ANI.
A feature that provides information on the origin of an incoming call prior to answering. For example, the name or number of the calling party can be displayed either on the display of a phone or on a separate device. However, the calling party can choose to keep their phone number hidden from the recipient of the call.
A telephone company service allowing the subscriber to view the phone number and/or name of the calling party on a display device before answering the phone. Caller ID usually requires some kind of hardware phone interface to provide the displayed information.
Caller ID is a telephone company feature that notifies a telephone being called of who is (or at least what phone number is) originating the call. On analog POTS phone systems, Caller ID information is transmitted to the telephone set between the first and second ring of the phone. On ISDN sets, Caller ID data is sent as part of the Q9.31 â€œcall setupâ€ information sent of the ISDN D channel. Some states, like California, regulate the implementation of Caller ID very strictly, requiring that phone companies offer their customers the option of keeping their numbers private when placing a call.