Group I (G1)

A group of specifications for facsimile (fax) machines conforming to a standard published

by the Electronic Industries Alliance (EIA) in 1966 as EIA RS-328 and accepted by the ITU-T as the T.2

mode of operation. Now considered obsolete, Group I standards specified analog transmission with

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• unibit
• unicast
• unicast address
• Unicode Consortium
• Unicode Transformation Format (UTF)
• Unicode (Universal code)
• unified communications
• unified messaging
• unified messaging
• unified messaging
• uniform call distributor (UCD)
• uniform dialing plan (UDP)
• Uniform Resource Identifier (URI)
• Uniform Resource Locator (URL)
• U-NII (Unlicensed National Information Infrastructure)
• uninterruptible power supply (UPS)
• unipolar
• United Nations/Electronic Data Interchange For Administration, Commerce, and Transport
• United Nations (UN)
• United States Computer Emergency Readiness Team (US-CERT)
• United States Digital Cellular (USDC)
• United States Independent Telephone Association (USITA)
• United States Telecom Association (USTA)
• United States Time Division Multiple Access (US TDMA)
• UNI (User Network Interface)