Difference Between ISDN BRI and PRI Line
ISDN BRI vs PRI ISDN, or the Integrated Services Digital Network, is a very old set of standards created in 1988 for facilitating the transmission of digital data across typical telephone networks. This is used in order to deliver data services, the most prominent of which is internet access. Two of the three types of ISDN are PRI (which stands for Primary Rate Interface) and BRI (which stands for Basic Rate Interface). The main difference between the two is the level of service that they offer. PRI is the main service being offered while BRI is a basic service that provides the lowest level of performance but at a correspondingly low price. Actually, PRI and BRI are not that different at all. They both use B channels for transmitting the actual contents and D channels for signaling and other communications. The only difference is the number of channels that they use. BRI only uses 2 B channels, one up and one down, and a single D channel. In comparis...