Screen Reference
ISDN Trunk Group
Administrator’s Guide for Avaya Communication Manager
975
November 2003
Service Type
Indicates the service for which this trunk group is dedicated. The following table provides a listing of
predefined entries. In addition to the Services/Features listed in this table, any user-defined Facility Type
of 0 (feature) or 1 (service) on the Network Facilities screen is allowed.
As many as 10 (for Avaya DEFINITY Server SI or CSI) or 200 (for DEFINITY Server R) ISDN trunk
groups can have this field administered as cbc.
Valid entries
Usage
access
A tie trunk giving access to an Electronic Tandem Network.
accunet
ACCUNET Switched Digital Service — part of ACI (AT&T
Communications ISDN) phase 2.
cbc
Call-by-Call service — provides different dial plans for different services on
an ISDN trunk group. Indicates this trunk group is used by the Call-By-Call
Service Selection feature.
dmi-mos
Digital multiplexed interface — message oriented signaling.
i800
International 800 Service — allows a subscriber to receive international
calls without a charge to the call originating party.
inwats
INWATS — provides OUTWATS-like pricing and service for incoming
calls.
lds
Long-Distance Service — part of ACI (AT&T Communications ISDN)
phase 2.
megacom
MEGACOM Service — an AT&T communications service that provides
unbanded long-distance services using special access (switch to 4ESS
switch) from an AT&T communications node.
mega800
MEGACOM 800 Service — an AT&T communications service that
provides unbanded 800 service using special access (4ESS switch to switch)
from an AT&T communications node.
multiquest
AT&T MULTIQUEST Telecommunications Service — dial 700 service. A
terminating-user’s service that supports interactive voice service between
callers at switched-access locations and service provides directly connected
to the AT&T Switched Network (ASN).
operator
Network Operator — provides access to the network operator.
outwats-bnd
OUTWATS Band — WATS is a voice-grade service providing both voice
and low speed data transmission capabilities from the user location to
defined service areas referred to as bands; the widest band is 5.
public-ntwrk
Public network calls — It is the equivalent of CO (outgoing), DID, or DIOD
trunk groups. If Service Type is public-ntwrk, Dial Access can be set to
y
.
sddn
Software Defined Data Network — provides a virtual private line
connectivity via the AT&T switched network (4ESS switches). Services
include voice, data, and video applications. These services complement the
SDN service. Do not use for DCS with Rerouting.
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