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Pre-Installation Requirements
Introduction to the ISDN Interface
1-4 DBS-EX23-530 April 2000
Pre-Installation Requirements
Use the following guidelines to prepare your site for ISDN installation.
Ordering ISDN
The ISDN PRI provides a flexible method of providing access to the PSTN
(Public Switched Telephone Network). Because of the numerous ways that
an ISDN span can be configured by the CO, it is essential that the DBS
configuration and the provisioning of the CO be compatible. The following
tables are provided to identify the critical parameters that must be set for
proper operation. The following tables provides a list of information that must
be gathered about the CO as well as the type of information which the CO
will need to know regarding the DBS system.
# Information Needed from CO Comments / Examples
1 Manufacture of CO and software load 5E11 (5ESS with load 11), DMS-100 with
NA008
2 Is local dialing 7 digits, 10 digits or a com-
bination.
3 For long distance dialing does the CO
want to see a leading “1” or not.
1-770-555-1212 or 770-555-1212
4 For international dialing does the CO want
to see the leading “011” or not.
011-(15-digit number) or (15-digit number)
# Typical Information for CO Comments (Examples)
1 Installation Address
2 Is this a new installation?
3 Extended wiring beyond telephone room?
4 Main telephone number of installation
5 Contact person for installation
Contact for order information
6 Billing name
7 Billing address
8 Long distance Carrier InterLATA (PIC) This identifies the carrier who will provide
long distance access.