电信专业英英词典I-3_电脑电信

　iso

　international organization for standardization

　itc

　independent telephone company

　itu

　international telecommunications union

　ivr

　integrated voice response

　ilec - incumbent local exchange carrier. the existing local exchange carrier in any given area, as opposed to clecs.

　independent telephone company - a telephone company not affiliated with any of the original bell telephone companies. see rboc.

　integrated services digital network (isdn) - a high performance, digital phone circuit available from most regional telephone companies that allows for voice and data to be transmitted on the same line, producing fast, noise-free connections.

　internet - a collection and interconnection of tens of thousands of independent global networks.

　internet relay chat (irc) - a popular program that allows users all around the world to communicate live, or chat, with other users.

　interlata carrier - the carrier that provides your telecommunications service between your lata and another lata. generally called "long distance carriers."

　internic (internet network information center) - the centralized organization run by the national science foundation that provides various administrative services for the internet, including domain name registration.

　intralata - telephone services within the boundaries of a local access area. see lata. generally known as "local telephone companies."

　ip address - a 32 bit address (four bytes separated by periods) that defines the location of a host on the internet.

　irc - see internet relay chat

　isdn - see integrated services digital network

　isp - internet service provider. a company that provides connection to the internet.