ATT DEFINITY Communications System Generic 3 Basic Call Management System Instructions Manual

Issue  4  September 1995GL-1 
GL
Numerics
3B2 Message Server
An AT&T software application that comb ines voice and data messaging services for voice termi-
nal users whose extensions are connected to a G3 switch.
800 service
A servi ce in the USA, which allows incoming calls from a certain area or areas to an assigned 
number for a flat-rate charge based on usage.
A
abandoned call
An incoming call, where the caller hangs up before being answered.
access code
A 1-, 2-, or 3-digit dial code used to...

Glossary
GL-2Issue  4  September 1995 
active-notification call
A call for which Event Reports are being sent over an active-notification association (communica-
tion channel) to the adjunct. Sometimes referred to as a monitored call.
active notification domains
Domains are VDNs and ACD split extensions for which Event Notification has been requested.
adjunct-control association
A relationship initiated by an application via the 
Third Party Make Call, the Third Party Take Con-
trol
 or Domain (Station)...

Glossary
Issue  4  September 1995GL-3 
administration terminal
A terminal used to administer and maintain a system. See also terminal.
Administration Without Hardware (AWOH)
Provides the ability to administer ports without the need for the associated terminals or other hard-
ware to be physically present.
abandoned call
An incoming call, where the caller hangs up before being answered.
agent (or ACD agent)
An answering position who rec eives calls that are directed to a split. A member of an ACD hunt...

Glossary
GL-4Issue  4  September 1995 
architecture
The organizational structure of a system, including hardware and/or software.
ASCII (American National Standard Code for Information Interchange)
The standard code, using a c o ded  character set consisting of 7-bit coded characters (eight bits, 
including parity check), used for information interchange among data processing systems, data 
communications systems, and associated equipment. The ASCII set consists of control charac-
ters and graphic...

Glossary
Issue  4  September 1995GL-5 
automatic trunk
A trunk that d oes not require the sending  or receiving  of addressing information b e cause the d es-
tination is predetermined. A request for servi ce on the trunk, called a ‘‘seizure,’’ is sufficient to 
route the call. The normal destination of an automatic trunk is the communic ations-system atten-
dant group. Also called ‘‘automatic incoming trunk’’ and ‘‘automatic tie trunk.’’
automatic restoration
A servi ce that restores disrupted...

Glossary
GL-6Issue  4  September 1995 
n0: Voice-grade data and voice
n1: DMI Mode 1, 56 kbps data transmission
n2: DMI Mode 2, synchronous/asynchronous data transmission up to 19.2 kbps
n3: DMI Mode 3, 64 kbps circuit/packet data transmission
n4: DMI Mode 0, 64 kbps synchronous data
n5: Temporary Signaling Connection
n6: Wideband Call, 128 to 1984 kbps synchronous data
bit (binary digit)
One unit of information in binary notation having two possible states or values, 0 or 1.
bits per second (bps)
The...

Glossary
Issue  4  September 1995GL-7 
byte
A sequence of (usually eight) bits processed together.
C
cabinet
Housing for rac ks, shelves, or carriers that hold electronic equipment.
cable
The physical connection between two pieces of equipment (em for examp le, c a ble from a data 
terminal to a modem (em or between a piece of equipment and a termination field (em for exam-
ple, circuit pack I/O cables.
cable connector
A cable connector is either a jack (female) or plug (male) on the end of a cable. A...

Glossary
GL-8Issue  4  September 1995 
call-waiting ringback tone
A low-pitched tone identical to ringback tone except that the tone decreases in the last 0.2~sec-
ond (in the United States). A call-waiting ring b ac k tone notifies the attendant that the Attendant 
Call Waiting feature has been a ctivated  and that the c alled  user is aware of the waiting c all. Tones 
in international countries may sound different.
call work code
A number, up to 16 digits, entered by Automatic Call Distribution (ACD)...

Glossary
Issue  4  September 1995GL-9 
central office (CO) codes
The first three d i gits of a 7-digit public network telephone number in the USA. CO codes are num-
bered from 200 through 999.
central office (CO) trunk
A telec ommunic ations channel that provides ac c ess from the system to the public network 
through the lo cal CO.
channel
The term channel is nons pecific and must be taken in context. Channel can refer to a cir-
cuit-switched call or a communications path for transmitting voice and/or...

Glossary
GL-10Issue  4  September 1995 
connectivity
The connection of disp arate devi ces within a single system.
console
See  attendant console.
contiguous
Contiguous, which is a wideband term, refers to adjacent DS0s within one T1 or E1 facility or adja-
cent TDM or fiber time slots. Note that the first and last TDM  bus, DS0, or fiber time slots are not 
considered contiguous (no wraparound). For an E1 facility with a %D-channel, DS0s 15 and 17 
are considered contiguous.
control cabinet
See  control...