ISDN Basic Rate Interface (BRI)
ISDN BRI offers either 64Kbps or 128Kbps data transfer rates. Calling Line Identification Presentation (CLIP) is offered as standard.
Basic Rate Interface (BRI) can support two dial-up services at the same time. One line could be used for data access and the other for voice calls, for example. A maximum of 8 multi-subscriber numbers can be associated with a Basic Rate ISDN line.