calling cardA telecommunication credit card used by consumers to pay for telephone and cellular services. Calling cards employ a prepaid credit system through the use of prepaid calling cards. If a card allows consumers to add funds to the card, it is a refillable card and will usually have permanent PIN. Other types of calling cards have a defined number of calling minutes available. Users enter the calling card code into their cellphone to activate the time and dispose of the card. Calling cards are a common way for consumers to pre-pay for long distance telephone services, and are also commonly used for Pay-As-You-Go cellular phone plans.
Stay up to date on the latest developments in Internet terminology with a free weekly newsletter from Webopedia. Join to subscribe now.
Webopedia's student apps roundup will help you to better organize your class schedule and stay on top of assignments and homework. Read More »List of Free Shorten URL Services
A URL shortener is a way to make a long Web address shorter. Try this list of free services. Read More »Top 10 Tech Terms of 2015
The most popular Webopedia definitions of 2015. Read More »
The Open System Interconnection (OSI) model defines a networking framework to implement protocols in seven layers. Use this handy guide to compare... Read More »Computer Architecture Study Guide
This Webopedia study guide describes the different parts of a computer system and their relations. Read More »What Are Network Topologies?
Network Topology refers to layout of a network. How different nodes in a network are connected to each other and how they communicate is... Read More »