Purpose
This chapter describes the Cantata implementation and features of Integrated Services Digital Network (ISDN), Primary Rate Interface (PRI). References to ISDN functionality in this chapter involve both the ISDN PRI card and the ISDN Series 3 card.
Configuring the Backup D Channel
Other Optional ISDN Configurations
ISDN Bearer Connection Independent Supplementary Services
Link Access Protocol D-Channel (LAPD)
LAPD Functional Message Breakdown
LAPD Inter-Module Configuration and Startup