ISDN

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ISDN

Integrated services digital network. A long-obsolete digital telecommunications line with a data (text, graphics, video and audio) throughput of up to 128 kps.

ISDN

Integrated services digital network Informatics A digital telecommunications line with a data–text, graphics, video and audio–throughput of up to 128 kps. See Internet, Local area network, Modem.
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Brooktrout's enhanced API provides developers with a set of high level call control functions which simplify application development across all telephony services, including Primary Rate ISDN.
About three years ago, when it became apparent that ISDN primary rate technology was going to be viable, I started pushing the operating telephone company to get it for us," he says.
A primary rate echo canceler should interpret the D channel message and disable the echo cancellation whenever the PBX signals that a data call is being set up.
The Primary Rate Interface provides multiplexing to support 23 B-channels (64 Kbps) and one D-channel (64 Kbps) for signaling.
The ISDN offerings are named Bell Atlantic IntelliLinQ BRI digital service for Basic Rate Interface and Bell Atlantic IntelliLinQ PRI digital service for Primary Rate Interface.
The Emutel Duo offers 3 ISDN basic rate S/U interfaces, as well as 2 optional primary rate interfaces in a compact desktop unit.
Galvin, who previously founded RAScom and Primary Rate Incorporated, manufacturers of data communications equipment, serves as chairman and founder of Cedar Point Communications.
Offering both Basic Rate Interface (BRI) and Primary Rate Interface (PRI) cards, Diva Server adapters can handle any combination of ISDN, GSM, V.
Enhancements include primary rate interface (PRI) support, advanced call logging, and call tracing.
LecStar will provide Inter-Tel with products and services that include: primary rate ISDN service (PRI), high-speed data circuits, broadband internet service, domestic and international long distance, as well as business lines for local voice service.
The increased density directly reduces the amount of board area required when implementing a primary rate line interface.
For troubleshooting European ISDN lines at the S-bus, Harris' new family of monitors -- the TS320 basic rate (BRI) monitor, the TS420 primary rate (PRI) monitor and the TS430 combination BRI/PRI monitor -- are the most cost-effective, accurate tools on the market.