AT&T DEFINITY 2500 Instruction Manual page 92

CTIAPTER 3.
OPEMTING
FEATURES
CHAPTER
3. OPERATING
FEATURES
OEFINITY Generic
2
introduces
the
hybrjd modutes and
port
boards that are based on the
new universal product lamily modules. Hybrid rnodules may be used by themselves or mixed
with convehtional modules in any switch running Generic 2 sottlvare. With minor exceptions,
all teaturcs
of
System 85 are supported by
the
hybrid
modules.
Feature ope.ations are the
same regard'ess
o{
whether a hybrid module or conventional module is being used.
The first part
of
this
chapter, "BASIC
PROCEDURES," describ€s
lhe
operation for
answering and placing calls, while the second part, "FEATURES," describes the procedures
tor
using specific features. The various teatures are arranged alphabetically.
Basic Procedures
This pan describes the procedures that every telephone/voice terminal user in
lhe
system
must be familiar with, regardless of the features that may be available. Features vary among
the
telephones/voice terminals,
but
each user must know how
to answer and place
calls.
Belore these basic procedures are described, the lollowing general information is presented
as an aid to the
user-
General Application Feaiures
The following teatures apply to call processing in
DEFINITY Generic
2
and System 85, but
they may not be
apparent
to
the
telephone/voice
terminal user because they
tunction
automalically
or
as an
integral
part
of the
system.
Understanding
these features
will
increase
your skill level as a user.
Automatic
Altenate
Routing
(MR)
ThiS featuae provides automatic routing
of outgoing (trunk) calls over
a
maximum
of
16
alternate trunk groups. The system automatically selects the trunk group available.
To
use
the AAR feature,
an AAR access
code must be dialed.
Auomatic
Route
Selection (ARS)
lf the call is to the public network, the ARS leature selects the least expensive route. This
feature provides aulomatic
selection,
lrom
a
preprogrammed sequence,
of
the
least
expensive trunks
for
completing calls on
lhe
public exchange (oft-network calls). An
ARS
access code is also required to use this featurc.
Authorjzation codes, used in conjunction with AAR and ARS, provide a
means
tor extending
a terminal user's calling privileges. The authorization code temporarily overrides
the
calling
restriction assigned to your voice terminal.
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