23B+D

Synonymous with primary rate interface (PRI). Referring to the ITU-T specification for an ISDN interface supporting 23 bearer (B) channels and 1 data (D) channel. 23B+D is compatible with T1

and J-1, and is used in North America and Japan. See also ISDN and PRI.

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• ISM (Industrial/Scientific/Medical)
• ISO
• ISOC
• isochronous
• ISOC (Internet Society)
• IsoEnet (IsoEthernet)
• IsoEthernet (Isochronous Ethernet)
• ISO/IEC 11801
• ISO (International Organization for Standardization)
• isotropic
• ISP
• ITA #2 (International Telegraph Alphabet #2)
• IT (Information Technology)
• ITU
• ITU-D (International Telecommunication Union-Development Sector)
• ITU (International Telecommunication Union)
• ITU-R (International Telecommunication Union-Radiocommunication)
• ITU-T
• ITU-T
• ITU-T (International Telecommunication Union-Telecommunication Standardization Sector)
• IVD (Inside Vapor Deposition)
• IVDS (Interactive Video and Data Services)
• IVR (Interactive Voice Response)
• IXC (IntereXchange Carrier, or IEC)
• IXC (IntereXchange Carrier, or IEC)