BRI (Basic Rate Interface)

The user interface to an integrated services digital network (ISDN)

intended for residential and small business applications. Also known as basic rate access ( BRA) outside North America, BRI supports two bearer (B), or information-bearing, channels, each operating at the clear-channel rate of 64 kbps. Each B channel can support an independent data transmission, a PCM-encoded voice conversation, or a number of statistically multiplexed subrate (low-speed) data transmissions.

The B channels also can be aggregated, or bonded, to provide up to 128 kbps to a given conversation, such as a videoconference or Internet session. BRI also provides a data (D) channel at 16 kbps, which is intended primarily for purposes of signaling and control, messaging, and network management. The D channel also generally is made available for packet data transmission and low-speed telemetry when not in use for

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• IANA (Internet Assigned Numbers Authority)
• ICANN (Internet Corporation for Assigned Names and Numbers)
• ICASA (Independent Communications Authority of South Africa)
• ICEA
• ICEA (Insulated Cable Engineers Association)
• ICE (In Case of Emergency)
• icky-pic (icky–plastic insulated cable)
• ICMP (Internet Control Message Protocol)
• ICMP (Internet Control Message Protocol)
• ICST (Information and Communication Science and Technology)
• ID
• IDDD (International Direct Distance Dialing)
• IDF (Intermediate Distribution Frame)
• IDSL (ISDN Digital Subscriber Line)
• IDU (Interface Data Unit)
• IEC
• IEC
• IEEE
• IEEE (Institute of Electrical and Electronics Engineers)
• i.e. (id est)
• IE (Internet Explorer)
• IESG (Internet Engineering Steering Group)
• IETF (Internet Engineering Task Force)
• I/F (Inter/Face)
• IFP (Internet Fax Protocol)