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NDA-24230 Issue 2.0 Page 1-1
VisuaLink 128/384 User Guide Chapter 1
Chapter 1 Introducing Your VisuaLink
1.1 Applying for ISDN
BRI
This device cannot be used unless a connection to
ISDN BRI Communication
Line
is provided. Verify that a ISDN line exists before the CODEC is installed.
What to watch out for when filling out an ISDN BRI application:
As defined by Bellcore; the ISDN BRI simplified ordering code is EZ-ISDN1.
• The ISDN BRI protocol national ISDN-1.
• The ISDN BRI service must be tariffed and available from the customer’s
local central office.
• The D-Channel should not permit X.25 packet data.
• The ISDN BRI service must allow videoconferencing calls to be dialed on
either B-Channel or on both simultaneously.
• Both B-Channel must carry circuit switched videoconferencing data.
• The ISDN BRI line required one or two different SPID numbers.
• The ISDN BRI service must be automatic Terminal Endpoint Identifiers
(TEIs).
Voice and data features:
• Flexible calling
• Call forwarding variable
• Additional call offering
• Call number identification
• Redirecting number delivery
A
How to Order ISDN BRI Guide
has been prepared. This guide should be read
thoroughly and forwarded to your Teleco provider. This document is located in
the
Appendix D
.