ISDN-BRIIntegrated Services Digital Network-Basic Rate Interface
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The ILS-1000 gives users two simulated ISDN-BRI (2B+D) lines in a compact, portable unit, at a fraction the cost of previously available ISDN test equipment.
Major features of the ILS-1000 include: two ISDN-BRI lines for end-to-end simulation; U (2B1Q) and S/T (ADI bipolar) interfaces at each line; speech, 3.