Switch User's Guide

CSX400 and CSX400-DC User’s Guide 23
3 ISDN Line Ordering and Configuration
This chapter provides ISDN BRI (Basic Rate Interface) line ordering and configuration
information. It contains the following sections:
• Arranging ISDN Service
• Telephone Switch Support
• ISDN BRI Line Configuration
• SPIDs, Directory Numbers and Telephone Numbers
• Telephone Switch Parameters
Read the first section in this chapter for an overview of the steps required to order ISDN service
from your service provider (telephone company). The rest of the chapter details the information
that the service provider needs to give you, and which you need to give to the service provider.
Arranging ISDN Service
The service provider requires certain information about the capabilities of the CSX400. You must
give the service provider the required switch settings (parameters) for the provider’s central office
switch. Consult with your service provider at least two months before you require the installation
and use of the ISDN service.
Complete the following steps to arrange your ISDN service:
1. Contact the service provider and determine what type of ISDN central office switches are
available (see Telephone Switch Support in this chapter).
2. Supply the service provider with the provisioning information for their switch type to enable
proper configuration of the ISDN line (see Telephone Switch Parameters in this chapter).
3. Once the ISDN line is installed, ensure that the service provider supplies you with the following
information:
• ISDN telephone numbers
• ISDN Service Profile Identifier numbers (SPIDs) and/or Directory Numbers (DNs) (see
SPIDs, Directory Numbers and Telephone Numbers in this chapter).