The practice or process of regulating traffic volume in voice communications, articularly in wireless mobile networks and in VoIP. CAC can also be used to ensure, a certain level of audio quality in VoIP networks.

Call blocking, also known as call block, call screening, or call rejection, allows a telephone subscriber to block incoming calls from specific telephone numbers. This feature may require an additional payment to the subscriber's telephone company.

It is a centralized office for the purpost of receiving or transmitting large volume of telephone requests. There are 2 types of call centers. Inbound call centers act as support centers for product queries where as Outbound call centers act as telemarketing centers trying to sell various products and services to customers.

Call forwarding, or call diversion, is a telephony feature of some telephone switching systems which redirects a telephone call to another destination, which may be, for example, a mobile telephone, voicemail box or another telephone number where the desired called party is available.

Call recording software records telephone conversations over PSTN or VoIP in a digital audio file format. Call recording is distinct from call logging and tracking, which record details about the call but not the conversation; however, software may include both recording and logging functionality.

A Calling card is a small plastic card used to pay for telephone services. The call can be made using an access telephone number to dial and the PIN. Calling cards are available as Prepaid discarded and Prepaid rechargable.

A language based on XML that lets a company describe a phone-to-Web site application in terms of how the call would be handled at the Web site and how it would interact with the caller based on keyed-in or voice responses. 

Calypso is a global application software provider that delivers an integrated suite of trading and risk applications to the capital markets function within banks and other companies participating in the world’s financial markets.

A portable electronic recording device capable of recording live-motion video and audio for later playback. Camcorders have three major components -- a lens , an imager, and a recorder.

Canary testing pushes a programming code changes to a small number of end users who have not volunteered to test anything. The goal of a canary test is to make sure code changes are transparent and work in a real world environment.

Candy Crush Saga is a match-three puzzle video game released by the developer King on April 12, 2012 for Facebook, and on November 14, 2012 for smartphones. In the game each level has a game board filled with differently coloured candies, and might contain obstacles. Each level contains a certain objective that must be completed in a given number of moves (or on a time limit). Candy Crush Saga surpassed FarmVille 2 as the most popular game on Facebook, with 46 million average monthly users.

A digital document scanner by Canon designed to maximise deske space through the elimination of obstructive tray extensions.

CAP theorem, also known as Brewer's theorem, states that it is impossible for a distributed computer system to simultaneously provide all three of the following guarantees: Consistency (all nodes see the same data at the same time), Availability (a guarantee that every request receives a response about whether it was successful or failed) and Partition tolerance (the system continues to operate despite arbitrary message loss or failure of part of the system).  

A methodology used to develop and refine an organization's software development process. The model describes a five-level evolutionary path of increasingly organized and systematically more mature processes. 

The Capability Maturity Model Integration, or CMMI, is a process improvement approach that provides a clear definition of what an organization should do to promote behaviors that lead to improved performance. With five “Maturity Levels” or three “Capability Levels,” the CMMI defines the most important elements that are required to build great products, or deliver great services, and wraps them all up in a comprehensive model.

A purchasing option that allows companies to receive equipment with more computer processing, storage, or other capacity than the company needs at the time of purchase. The extra capacity will remain unused and unpaid for until needed.