customer proprietary network information
1Customer proprietary network information — (CPNI) is the data collected by telecommunications companies about a consumer s telephone calls. It includes the time, date, duration and destination number of each call, the type of network a consumer subscribes to, and any other information… …
2Network switching subsystem — (NSS) (or GSM core network) is the component of a GSM system that carries out call switching and mobility management functions for mobile phones roaming on the network of base stations. It is owned and deployed by mobile phone operators and… …
3Network effect — Diagram showing the network effect in a few simple phone networks. The lines represent potential calls between phones. In economics and business, a network effect (also called network externality or demand side economies of scale) is the effect… …
4Information Technology Infrastructure Library — The Information Technology Infrastructure Library (I), is a set of good practices for IT service management (ITSM) that focuses on aligning IT services with the needs of business. In its current form (known as ITILv3 and ITIL 2011 edition), ITIL… …
5Information Processing and Information Systems — ▪ 1995 Sweeping change marked the U.S. computer industry in 1994 as longtime players exited the stage and rival systems struggled to dominate the next generation of personal computer (PC) operating systems and microprocessors. The industry… …
6Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer. The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… …
7Telecommunications data retention — In the field of telecommunications, data retention (or data preservation) generally refers to the storage of call detail records (CDRs) of telephony and internet traffic and transaction data (IPDRs) by governments and commercial organisations. In …
8Integrated Services Digital Network — ISDN redirects here. For other uses, see ISDN (disambiguation). Integrated Services Digital Network (ISDN) is a set of communications standards for simultaneous digital transmission of voice, video, data, and other network services over the… …
9Virtual private network — A virtual private network (VPN) is a computer network in which some of the links between nodes are carried by open connections or virtual circuits in some larger network (e.g., the Internet) instead of by physical wires. The link layer protocols… …
10Mobile phone — Cell Phone redirects here. For the film, see Cell Phone (film). Handphone redirects here. For the film, see Handphone (film) …
