I - Definitions

  • I

    i-Mode

    i-Mode is the packet-based service for mobile phones offered by Japan's leader in wireless technology, NTT DoCoMo.

  • ICMP (Internet Control Message Protocol)

    ICMP (Internet Control Message Protocol) is an error-reporting and message-control protocol that network devices use to report problems in IP packet delivery.

  • iDEN (Integrated Digital Enhanced Network)

    iDEN (Integrated Digital Enhanced Network) is a wireless technology from Motorola combining the capabilities of a digital cellular telephone, two-way radio, alphanumeric pager and data/fax modem in a single network.

  • IDSL

    IDSL is a system in which digital data is transmitted at 128 Kbps on a regular copper telephone line (twisted pair) from a user to a destination using digital (rather than analog or voice) transmission, bypassing the telephone company's central office equipment that handles analog signals.

  • in-band signaling

    In the public switched telephone network, (PSTN), in-band signaling is the exchange of signaling (call control) information on the same channel that the telephone call itself is using.

  • iNet

    An iNet (pronounced AI-neht) is any network that uses the Internet Protocol (IP).

  • information theory

    Information theory is a branch of mathematics that overlaps into communications engineering, biology, medical science, sociology, and psychology.

  • infranet

    The infranet is a proposed universal, public, packet-switched supplement to the Internet for businesses and high-demand private users that would provide guaranteed security, reliability, and quality of service (QoS).

  • Infranet Initiative

    The Infranet Initiative is a collaborative effort to develop a high-performance universal public network that would serve as a supplement to the Internet for businesses and other high-demand users.

  • infrared radiation (IR)

    Infrared radiation (IR), sometimes referred to simply as infrared, is a region of the electromagnetic radiation spectrum where wavelengths range from about 700 nanometers (nm) to 1 millimeter (mm).

  • infrared transmission

    Infrared transmission refers to energy in the region of the electromagnetic radiation spectrum at wavelength s longer than those of visible light, but shorter than those of radio

  • ingress

    Ingress (pronounced IHN-grehs, from Latin ingressus or stepping into) is the act of entering something.

  • ingress filtering

    Ingress filtering is a method used by enterprises and internet service providers (ISPs) to prevent suspicious traffic from entering a network.

  • integrated T1 (channelized T1)

    Integrated T1 (also called channelized T is a digital carrier modulation method in which a T1 line is divided into 24 channels, each having a maximum data speed of 64 thousand bits per second (Kbps), and each capable of supporting a unique application that can run concurrently with, but independently of, other applications on different channels.

  • Intelligent Network (IN)

    Intelligent Network (IN) is a telephone network architecture originated by Bell Communications Research (Bellcore) in which the service logic for a call is located separately from the switching facilities, allowing services to be added or changed without having to redesign switching equipment.

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