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SOUTHWESTERN BELL BEGINS SELLING PRI ISDN SERVICE IN KANSAS; BRINGS CUSTOMERS CALLING EFFICIENCIES

 SOUTHWESTERN BELL BEGINS SELLING PRI ISDN SERVICE IN KANSAS;
 BRINGS CUSTOMERS CALLING EFFICIENCIES
 ST. LOUIS, June 1 /PRNewswire/ -- In a perfect world, here's how a business customer's communications would flow:
 Open calling -- customers rarely get busy signals, employees have plenty of outbound lines.
 Satisfied customers -- buyers get through on the first try. They call back to order later, too.
 Increased productivity -- employees get more done with a well-managed communications system that sports an automatic callback feature. It tells the employee when the person being called is free. No more telephone tag!
 ...But wait, let's get back to reality. Nothing could be quite that good, could it? If so, it would be a pretty smart service.
 Southwestern Bell Telephone has just started selling a service with just these benefits: SmartTrunk(SM). The company received approval from the Kansas Corporation Commission May 13 to offer SmartTrunk service to its customers in the Sunflower State.
 The service is based on "Primary Rate Interface Integrated Services Digital Network" (PRI ISDN) technology. ISDN is an all-digital service for moving voice, data and images separately or simultaneously over the same pair of copper wires of optical fiber in the public telecommunications network.
 SmartTrunk is a large-capacity type of ISDN service. It has high- volume, 23-connection channels between Southwestern Bell's telecommunications network and the customer's private branch exchange (or "PBX," a company's internal telephone system).
 "SmartTrunk gives our customers flexible control over their trunking networks," said Mike Reddout, Southwestern Bell's product manager for SmartTrunk service. "In a nutshell, SmartTrunk is fully digital networking which lets customers communicate with more speed, quality, economy, control, value and ease."
 Reddout said key customer applications for SmartTrunk service include:
 Dynamic Channel Allocation -- which manages the distribution of calling paths. This feature lets telecom managers adjust the inbound and outbound calling flow on SmartTrunk service's 23 channels, boosting company efficiency. Most large businesses' telecommunications needs vary greatly depending on the day of the week, or even the time of day. With dynamic channel allocation, the company can, for example, set their inbound flow to eight channels and outbound to 15. Later, that direction can be swapped: 15 channels inbound and eight outbound.
 Network Ring-again -- an automatic callback feature. It works by notifying the caller (on the company's PBX system) when a busy telephone station they called earlier is no longer busy.
 Network Ring-again lets employees be more efficient since they are not wasting time playing telephone tag. And it can work across several company locations.
 Efficiencies -- transmitting voice and data over a single facility is more economical than using separate lines. Expenses are saved by using the switched public networks as needed instead of owned or leased facilities which may be idle from time to time. Flexibility guarantees incoming and outgoing access to the public telephone network. This means greater productivity and profitability.
 Expandability -- to provide for the business' growth.
 "Typical customers for SmartTrunk service are telemarketing companies, service bureaus, catalog businesses and other firms with heavy, but fluctuating, calling volumes from their PBXs," Reddout said.
 How do Basic Rate Interface ISDN (BRI) and Primary Rate Interface ISDN (PRI) SmartTrunk service differ?
 BRI is an ISDN standard that specifies two "B," or "bearer," channels that provide simultaneous voice and data service; and one "D," or "data," channel that carries call information (signaling) and customer data (the actual information being transmitted).
 The difference is SmartTrunk service can carry much more information. SmartTrunk service has 23 "B" channels operating at 64 kilobits per second (kbps) and a "D" channel also functioning at 64 kbps (for signaling only).
 The combined signal-carrying capacity is 1.544 megabits per second- equivalent to "T-1" circuits in use today. But there's the added benefit of having additional bandwidth per channel and other features that are available from an ISDN interface--data, voice and/or video.
 Southwestern Bell Telephone has filed for SmartTrunk service in Texas and Missouri. The company plans to present tariffs to the public service commissions in the other two states it serves -- Arkansas and Oklahoma -- in the next few months.
 Southwestern Bell Telephone is a wholly owned subsidiary of Southwestern Bell Corporation and provides telecommunications services to more than 9.6 million customers in its five-state service territory.
 Southwestern Bell Telephone Co. trademark
 SmartTrunk(SM) is a pending service mark.
 -0- 6/1/92
 /CONTACT: Scott Hilgeman of Southwestern Bell Telephone, 314-247-4613/
 (SBC) CO: Southwestern Bell Corporation ST: Missouri IN: TLS SU: PDT


SM -- NY053 -- 5727 06/01/92 13:17 EDT
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No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 1992 Gale, Cengage Learning. All rights reserved.

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Date:Jun 1, 1992
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