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1994-05-05
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INTEGRATED SERVICES DIGITAL NETWORK (ISDN)
BASIC RATE INTERFACE (BRI) - MULTILINE (MP) SINGLE LINE (SP)
PRODUCT DESCRIPTION:
2B+D access, which provides two 64 KBPS clear channels and a data channel for
CentraNet (Centrex) or Multiline customer (ISDN-BRI-MP) and a single line
offering (ISDN-SL). Basic Rate Interface/Single Line (ISDN-BRI/SL) services
consists of a digital line which provides digital transmission capabilities
to the customers' premises and allows for the simultaneous transmission of
voice and data traffic. The standard 2B+D interface is used which will
support two 64 Kbps B-channels and one 16 Kbps D-channel. The Single Line
ISDN service is for those users who may not be CentraNet customers but
require digital featurephone capabilities integrated with data capabilities
or who may only require one ISDN-BRI line for their data needs.
Key technical capabilities of ISDN-BRI include:
- End-to-end digital transmission
- Up to eight ISDN terminals on a single ISDN basic rate interface (BRI)
line.
- Circuit-switched B channel data at speeds up to 64 Kbps. Standard rate
adaption (V.120) for sub-64 Kbps speeds.
- Packet-switched data over B or D channels. B channel up to 64 Kbps.
D channel at 9.6 Kbps.
- X.25 packet multiplexing over B channels; i.e., multiple virtual D
packet sessions on a single B channel.
- Calling party number delivery on incoming calls. This is the basis
for current inbound telemarketing applications using ISDN (PRI).
- Dynamic service selection over B channels. This powerful capability
can result in significant savings over conventional non-PRI trunking.
- Out-of-band D channel signaling. This provides a very powerful and
flexible mechanism for call control, network management, security, etc.
- Electronic key system functionality.
- Can be interconnected with Switched Data, Data Path, and other carriers'
switched data services at 56 kbps speed.
APPLICATIONS:
- Multisite and campus customers who require reliability and bandwidth
flexibility.
- Telecommuting.
- Persons requiring access to Prodigy or other bulletin-board services.
- CentraNet Electronic Key System voice users.
For more information, call 1-800-483-4926 M-F 8am - 8pm eastern.
All trademarks are the property of their respective owners.
Copyright 1994 GTE Telephone Operations
All rights reserved