Instruction manual

Features
PRI Features
Features offered by PRI are as follows:
■ Connectivity to 5ESS Generic 6 (Release 2.0 and later)
The benefits of 5ESS connectivity include making local calls, operator
access (local, common carrier, and operator-assisted calls), common
carrier selection, and 5ESS PRI services.
A user-dialed (outgoing) number undergoes a parsing process, which is
also called digit analysis, which enables the system to do the following:
— Route outgoing calls over the appropriate B-channel by
matching entries in the Network Selection Table and the Special
Services Selection Table (and, if applicable, the Call-by-Call
Services Table)
— Route incoming calls to the proper endpoint by matching entries
in the Dial Plan Routing Table
■ Routing by Dial Plan (Release 2.0 and later)
Routing by Dial Plan supports call handling similar to Direct Inward
Dialing (DID). It is especially suitable to supporting the Dialed Number
Identification System (DNIS), a service attribute of the MEGACOM 800
service that routes incoming 800 or 900 calls according to customer-
selected parameters, such as area code, state, or time of call. For
example, a customer can specify that calls received from a particular
area code should be routed to a specific individual or group responsible
for accounts in the area.
Routing by Dial Plan performs digit analysis on incoming calls, matches
to CdPNs, and delivers the calls to the destination endpoints based on
the respective CdPNs. It also allows multiple calls to the same directory
number, that is, multiple concurrent incoming calls with the same CdPNs
are routed to any available line in the same B-channel group.
■ Call-by-Call Service Selection (Release 2.0 and later)
This feature allows maximum utilization of communications lines,
providing more services with fewer lines. Call-by-Call Service Selection
provides more than one PRI service (such as MEGACOM WATS,
ACCUNET Switched Digital 56/64, SDN, OUT WATS, and Virtual Private
Network Access) per B-channel. Based on the number dialed and the
bearer capability (voice, data, or both), the system chooses what service
will be used. If a caller requests operator service, the system bypasses
Call-by-Call Service Selection.
■ Authorization code handling for FTS2000 network (Release 2.0 and later)
FTS2000 network users can have restriction codes applied to their
telephones. A user who attempts to place a call that exceeds the set
restriction level must first enter an authorization code. If no code is
entered, the FTS2000 network prompts the user to enter the code from
the telephone dial pad.
368 Primary Rate Interface (PRI)