WOW.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Message-waiting indicator - Wikipedia

   en.wikipedia.org/wiki/Message-waiting_indicator

   Message-waiting indicator. In telephony, a message-waiting indicator ( MWI) is a Telcordia Technologies (formerly Bellcore) term for an FSK -based telephone calling feature that illuminates an LED on selected telephones to notify a telephone user of waiting voicemail messages on most North American public telephone networks and PBXs .

3. Caller ID - Wikipedia

   en.wikipedia.org/wiki/Caller_ID

   Caller identification ( Caller ID) is a telephone service, available in analog and digital telephone systems, including voice over IP (VoIP), that transmits a caller 's telephone number to the called party 's telephone equipment when the call is being set up. The caller ID service may include the transmission of a name associated with the ...

4. Network Caller ID - Wikipedia

   en.wikipedia.org/wiki/Network_Caller_ID

   Network Caller ID. Network Caller ID ( NCID) is an open-source client/server network Caller ID (CID) package. [1] NCID consists of a server called ncidd (short for NCID daemon ), a universal client called ncid, and multiple client output modules and gateways. The server, ncidd, monitors either a modem, device or gateway for the CID data.

5. Caller ID spoofing - Wikipedia

   en.wikipedia.org/wiki/Caller_ID_spoofing

   Caller ID spoofing. Caller ID spoofing is a spoofing attack which causes the telephone network's Caller ID to indicate to the receiver of a call that the originator of the call is a station other than the true originating station. This can lead to a display showing a phone number different from that of the telephone from which the call was placed.

6. Truth in Caller ID Act of 2009 - Wikipedia

   en.wikipedia.org/wiki/Truth_in_Caller_ID_Act_of_2009

   The Truth in Caller ID Act of 2009 is an Act of the United States Congress that generally makes it illegal to use false Caller ID information for a call with the intent to defraud or scam a called party. The Act makes exceptions for certain law-enforcement purposes. Callers are also still allowed to preserve their anonymity by choosing to block ...

7. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   Main article: Light-emitting diode physics. In a light-emitting diode, the recombination of electrons and electron holes in a semiconductor produces light (be it infrared, visible or UV), a process called " electroluminescence ". The wavelength of the light depends on the energy band gap of the semiconductors used.