Key Technical Terms

24 × 7— 24 hours-a-day 7 days-a-week operation.

B-Channel— The B channel is a 64 Kbps ISDN bearer channel carrying digital voice or data.

BRI— Basic Rate Interface is the smallest capacity ISDN channel. It consists of two B channels operating at 64 Kbps and one D channel operating at 16 Kbps.

CATV— Community Antenna Television is the local cable television network.

CCITT— Consultative Committee on International Telephone and Telegraph is an old standards body now merged into the International Telecommunications Union (ITU).

CIDR— Classless Inter-Domain Routing is an Internet specification for aggregating public (Internet) IP addresses into blocks, as opposed to the previous A, B, and C hierarchical IP address classification ...

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