Toshiba Release 4.0 manual Integrated Services Digital Network Isdn Also called Isdn

Incoming Call A call that has arrived in the Strata CS system.

Integrated Services Digital Network (ISDN) Also called: ISDN

An international standard for voice, data, and signaling that was designed to overcome limitations in the PSTN by offering expanded bandwidth, digital circuits, a standard out-of-band signaling system, combined voice and data networks, and special services. ISDN is offered in two forms, Basic Rate Interface (BRI) and Primary Rate Interface (PRI).

See also: Primary Rate Interface (PRI) (p. G-20), public switched telephone network (PSTN) (p. G-20)

Interactive Voice Response (IVR) Also called: ASR, automatic speech

recognition (ASR), IVR, speech recognition

An application that users can interact with using a remote touch-tone phone. An IVR program typically uses recorded or synthetic speech to provide information and present the user with options. The user selects an option by entering a number on the touch-tone phone. Some IVR programs can use voice recognition to interpret the user’s spoken responses.

See also: touch-tone digit (p. G-25)

Interconnect Value-added reseller (VAR) that sells, installs, and maintains one or more brands of telephone systems, working with the phone company as needed. The word interconnect comes from the process of connecting phone systems with the phone company.

Internal Call A call within the Strata CS phone system, a call between two users.

See also: external call (p. G-12), external direct call (p. G-12)

International Callback A business service that can provide dramatic cost savings for international callers dialing U.S. phone numbers. Callback services take advantage of the fact that international calls to the U.S. are many times more expensive than international calls placed from the U.S. International callers dial a special number in the United States. The call is not answered, but the system dials the caller back immediately and places calls to the U.S. on their behalf using U.S. instead of international rates.

International Prefix The number dialed before the country code in order to make an international call.

Internet The worldwide computer network, made up of thousands of interconnected networks. A standard set of communications protocols makes it possible to route data between any two computers on the Internet.

See also: Internet Protocol (p. G-15), intranet (p. G-16)

Internet Protocol Also called: IP

The basic protocol for transmitting packets of data over the Internet. Data is parceled into small chunks, and each chunk is combined with a destination address and other information to create an IP packet. When a packet is transmitted over the Internet, the address information is used by IP routers, which act as way-stations on the packet’s journey.

GLOSS-15

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