A-51
Remote Annex 6300 Supplement to the Remote Annex Administrator’s Guide for UNIX
Book A
Chapter 3
Configuring the PRI Interface,
Global Ports, and Sessions
T
his chapter replaces Chapter 3 in Book A of the Remote Annex
Administrator’s Guide for UNIX, which describes configuring ports for
other Remote Annexes. This chapter describes:
•
Delivering ISDN calls to the Remote Annex 6300.
•
Configuring the PRI interface.
•
Port handling on the RA 6300.
•
Configuring global port parameters.
•
Configuring Session Parameter Blocks (SPBs) to handle
incoming calls.
•
Understanding the differences between the RA 6300 as
described in this chapter and other Remote Annexes (as
described in the corresponding chapters of the Remote Annex
Administrator’s Guides for UNIX). This section is intended for
administrators who are accustomed to (or will be) configuring
other Remote Annexes.
Delivering ISDN Calls
An ISDN PRI call can arrive on any B channel on the RA 6300 PRI line.
During the call SETUP process between the telephone company switch
and the RA 6300, the switch dynamically assigns a B channel to the call.
The SETUP process takes place on the D (signaling) channel.
Since the RA 6300 cannot predict which B channel the switch assigns to
a particular call, providing the RA 6300 with a static configuration for
each B channel is not useful. Instead, the RA 6300 relies on PRI
parameters, global port parameters, and Session Parameter Blocks (SPBs)
to dynamically obtain parameter values for a call received on a B channel.
Summary of Contents for 6300
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