Glossary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

5ESS switch

A central office switch that can be integrated with the messaging system.

A

accessed message

A message that was received and scanned (this definition applies to either the entire message or just to the header).

Access Security Gateway

An authentication interface that can be used to secure the administration and maintenance ports on the messaging server.

ADAP

See administration and data acquisition package.

address

The messaging user's extension and machine identification. The address indicates where the system needs to deliver a message. An address can include several users or mailing lists. Name or number addressing can be selected with the * A(Address) command.

adjunct

A separate system closely integrated with a switch, such as a messaging system or a call management system (CMS).

administration

The process of setting up a system such as a switch or a messaging system to function as desired. Options and defaults are normally set up or translated by the system administrator or service personnel.

administration and data acquisition package (ADAP)

A software package that allows the system administrator to transfer system user, maintenance, or traffic data from a messaging system to a personal computer.

ADU

See asynchronous data unit.

alarm log

A list of alarms that represent all of the active or resolved problems on a messaging system. The alarm log is stored in a software file on disk and can be accessed either locally or remotely from a terminal connected to the system.

alarms

Hardware, software, or environmental problems that could affect system operation. Alarms are classified as major, minor, or warning.

alphanumeric

Consisting of alphabetic and numeric symbols or punctuation marks.

ALT

See assemble, load, and test.

American wire gauge (AWG)

A standard measuring gauge for nonferrous conductors.

announcement

A placeholder within the messaging system for playing fragments. Each event that could occur within messaging has one or more announcement numbers permanently assigned to it. Fragment numbers are then assigned to the announcement numbers.

announcement fragment

A numbered piece of spoken information that makes up a system message or prompt.

antistatic

A treatment for material to prevent the buildup of static electricity.

API

See application programming interface.

application

A computer software program.

application identifier

A two-letter code used in the administrator's log to identify the application or subsystem for which an alarm is being generated. There are 7 application identifiers: AS (Access Security Gateway), EL (Enhanced-List Application), MT (Maintenance), SM (Station Manager), SW (Switch Integration), VM (Voice Messaging), VP (Voice Platform).

application programming interface (API)

A set of formalized software calls and routines that an application program can reference to access underlying network services.

assemble, load, and test (ALT)

The Avaya factory process that preloads software, installs hardware, and tests the system prior to shipping.

ASG

See Access Security Gateway.

ASP

Advanced signal processor.

asynchronous communication

A method of data transmission in which bits or characters are sent at irregular intervals and spaced by start and stop bits rather than time.

asynchronous data unit (ADU)

An electronic communications device that can extend data transmission over asynchronous lines more than 50 feet in length. Recommended ADUs for use with the messaging system include Z3A1 or Z3A4.

asynchronous transmission

A form of serial communications where each transmitted character is bracketed with a start bit and one or two stop bits. The messaging system provides asynchronous EIA-232 capabilities for Digital Networking, if required.

attendant console

A special-purpose telephone with numerous lines and features usually located at the front desk of a business or other organization. The front desk attendant uses this telephone to answer and transfer calls.

Messaging Information Exchange

A complete messaging system accessed and operated by touchtone telephones and integrated with a switch.

audit

A software program that resolves file system incompatibilities and updates restored filesystems to a workable level of service. Audits are done automatically on a periodic basis or can be performed on demand.

Messagin

See Messaging Information Exchange.

Messaging Expert

Software that performs testing of remote systems automating correctly any problems that it can and retrieve associated alarms.

autodelete

A messaging feature that allows users to designate that faxes be automatically deleted from their mailboxes after they are printed.

automated attendant

A messaging feature that allows users to set up a main extension number with a menu of options that routes callers to an appropriate department at the touch of a button.

automatic message scan

A messaging feature that allows users to scan all message headers and messages at the touch of two buttons. Also called autoscan.

autoprint

A messaging feature that allows users to designate that faxes be automatically sent to a specified print destination.

autoscan

See automatic message scan.

AWG

See American wire gauge.

B

background testing

Testing that runs continuously when the system is not busy doing other tasks.

backplane

A centrally located device within a computer to which individual circuit cards are plugged for communication across an internal bus.

backup

A duplicate copy of files and directories. The backup file system can be copied back (restored) if the active version is corrupted or lost.

basic rate access

See basic rate interface.

basic rate interface (BRI)

International standard protocol for connecting a station terminal to an integrated systems digital network (ISDN) switch. ISDN BRI supports two 64-Kbps information-bearer channels (B1 and B2) and one 16-Kbps call status and control (D) channel (a 2B + D format). Also called basic rate access.

binary synchronous communications (BSC)

A character-oriented synchronous link protocol.

body

The part of a voice mail message that contains the actual spoken message. For a leave word calling (LWC) message, it is a standard system announcement.

boot

The operation to start a computer system by loading programs from disk to main memory (part of system initialization). Booting is typically accomplished by physically turning on or restarting the system. Also called reboot.

boot file system

The file system from which the system loads its initial programs.

BRI

See basic rate interface.

broadcast messaging

A messaging feature that enables the system administrator and other designated users to send a message to all users automatically.

browser

A software tool used to display World Wide Web pages. Pages must be written using HTML to be properly interpreted.

BSC

See binary synchronous communications.

buffer

A temporary storage area used to equalize or balance different operating speeds. A buffer can be used between a slow input device, such as a terminal keyboard, and the main computer, which operates at a very high speed.

bulletin board

A messaging feature that allows a message to be played to callers who dial the bulletin board extension. Callers cannot leave a message since it is a listen-only service. Also called information service.

bundling

The process of combining several calls and handling them as a single call. See also automatic message scan.

bus

An electrical connection or cable that allows two or more wires, lines, or peripherals to be connected together.

busy-out/release

To remove a device from service (make it appear busy or in use) and later restore it to service (release it). The messaging switch data link, voice ports, or networking ports can be busied out if they appear faulty or when maintenance tests are run.

CA

The application identifier for the call accounting system.

call answer

A messaging feature that allows the system to answer a call and record a message when the user is unavailable. Callers can be redirected to the system through the call coverage or call forwarding switch features. Messaging users can record a personal greeting for these callers.

call answer language choice

The capability of user mailboxes to accept messages in different languages. For the messaging application, this capability exists when the multilingual feature is turned on.

call classification analysis (CCA)

A process that enables application designers to use information available within the system to classify the disposition of originated and transferred calls.

call coverage

A switch feature that defines a preselected path for calls to follow if the first or second coverage points are not answered. The messaging system can be placed at the end of a coverage path to handle redirected calls through call coverage, send all calls, go to cover, and so on.

call data handler process (CDH)

A software process that accumulates generic call statistics and application events.

call detail recording (CDR)

A switch feature that uses software and hardware to record call data.

call detail recording utility (CDRU)

Applications software that collects, stores, optionally filters, and outputs call detail records for direct or polled output to peripheral devices. .

call distribution group

The set of analog port cards on the switch that connects switch users to the messaging system by distributing new calls to idle ports. This group or splitis called automatic call distribution (ACD).

call management system (CMS)

An inbound call distribution and management reporting package.

called tone (CED tone)

The distinctive tone generated by a fax endpoint when it answers a call. The CED tone is a constant 2100-Hz tone.

called subscriber information (CSI)

The identifier for the answering fax endpoint. This identifier is sent in the T.30 protocol and is generally the telephone number of the fax endpoint.

calling tone (CNG tone)

The distinctive tone generated by a fax endpoint when placing a call. The CNG tone is a constant 1100-Hz tone that is on for 1/2 second, off for 3 seconds.

call vectoring

A Communication Manager software feature that allows an administrator to customize the treatment of calls received by the Communication Manager.

card cage

An area within the messaging hardware platform that contains and secures the standard circuit cards used in the system.

CCA

See call classification analysis.

CDH

See call data handler process.

CDR

See call detail recording.

CDRU

See call detail recording utility.

CDRW

See rewritable compact disc.

CED tone

See called tone.

central office (CO)

An office or location in which large telecommunication equipment such as telephone switches and network access facilities are maintained. In a CO, private customer lines are terminated and connected to the public network through common carriers.

central processing unit (CPU)

The component of the computer that manipulates data and processes instructions coming from software.

Centralized Voice Mail-Interswitch Mode Code

An integration feature that provides customers with the ability to network together a number of small switches that can share one messaging system. The feature uses mode-code protocol for call transfer and communication.

channel

A telecommunications transmission path for voice and data.

channel capacity

A measure of the maximum bit rate through a channel.

channel internal loop-around test

A test used to check the operation of an individual channel on the networking card.

class of restriction (COR)

A feature that allows up to 64 classes of call-origination and call-termination restrictions for telephones, telephone groups, data modules, and trunk groups.

CLAN

The ability of the Communication Manager system to communicate with adjunct systems, over a LAN using the CLAN (Control LAN) circuit pack.

class of service (COS)

The standard set of messaging features given to users when they are first administered, that is, set up with a voice mailbox.

client

A computer that sends, receives, and uses data and also shares a larger resource whose function is to do most data storage and processing. For Avaya Message Manager, the user's personal computer running Message Manager is the client.

CMS

See call management system.

CNG tone

See calling tone.

CO

See central office.

command

An instruction or request given by the user to the software to perform a particular function. An entire command consists of the command name and options. Also, one-key or two-key touchtones that control a mailbox activity or function.

community

A group of telephone users administered with special send and receive messaging capabilities. A community is typically comprised of people who need full access to each other by telephone on a frequent basis.

compound message

A message that combines a voice message and a fax message into one unit, which is then handled as a single message.

configuration

The particular combination of hardware and software components selected for a system, including external connections, internal options, and peripheral equipment.

COR

See class of restriction.

COS

See class of service.

coverage path

The sequence of alternate destinations to which a call to a user on a messaging system is automatically sent when it is not answered by the user. This sequence is set up on the switch, normally with the messaging system as the final or sole destination.

CPU

See central processing unit.

cross connect

Distribution-system equipment used to terminate and administer communication circuits.

cross connection

The connection of one wire to another, usually by anchoring each wire to a connecting block and then placing a third wire between them so that an electrical connection is made.

CSI

See called subscriber information.

customized announcement

In the messaging application, an announcement that is composed of sets of spoken instructions or voice prompts, which are called fragments. To customize an announcement, you can record your own fragments or arrange existing fragments in a different order. An example of a customized announcement is, "To access your Company ABC voice mailbox, press star R.

CVM-IMC

See Centralized Voice Mail-Interswitch Mode Code.

D

database

A structured set of files, records, or tables. Also, a collection of file systems and files in disk memory that store the voice and nonvoice (program) data necessary for messaging system operation.

data communications equipment (DCE)

A standard type of data interface normally used to connect to data terminal equipment (DTE) devices. DCE devices include the data service unit (DSU), the isolating data interface (IDI), and the modular processor data module (MPDM).

data communications interface unit (DCIU)

A switch device that allows nonvoice (data) communication between a messaging system and an Avaya switch. The DCIU is a high-speed synchronous data link that communicates with the common control switch processor over a direct memory access (DMA) channel that reads data directly from FP memory.

data link

A term used to describe the communications link used for data transmission from a source to a destination, for example, a telephone line for data transmission.

data service unit (DSU)

A device used to access digital data channels. DATAPHONE II 2500 DSUs are synchronous data communications equipment (DCE) devices used for extended-local messaging system connections. The 2600 or 2700 series can also be used. These support diagnostic testing and the DATAPHONE II Service network system.

data set

Another term for a modem, although a data set usually includes the telephone.

data terminal equipment (DTE)

Standard type of data interface normally used for the endpoints in a connection. Normally the messaging system, most terminals, and the switch data link are DTE devices.

DCE

See data communications equipment.

DCIU

See data communications interface unit.

DCS

See distributed communications system.

debug

See troubleshooting.

dedicated line

A communications path that does not go through a switch. A dedicated (hard-wired) path can be formed with directly connected cables. MPDMs, DSUs, or other devices can also be used to extend the distance that signals can travel directly through the building wiring.

default

A value that is automatically supplied by the system if no other value is specified.

default community

A group of telephone users administered with restrictions to prevent them from sending messages to or receiving messages from other communities. If a system is administered to use communities, the default community is comprised of all the messaging users defined on that system.

delivered message

A message that has been successfully transmitted to a recipient's incoming mailbox.

demand testing

Testing performed on request (usually by service personnel).

diagnostic testing

A program run for testing and determining faults in the system.

dial-ahead/dial-through

The act of interrupting or preceding messaging system announcements by typing (buffering) touchtone commands in the order the system would normally prompt for them.

dialed number identification service (*DNIS_SVC)

An available channel service assignment on the messaging system. Assigning this service to a channel permits the messaging system to interpret information from the switch and operate the appropriate application for the incoming telephone call.

Dialogic voice board

The Dialogic D/41JCT-LS is a four-port analog voice board that supports both voice and fax.

DID

See direct inward dialing.

digital networking

A method of transferring messages between messaging systems in a digital format.

digital signal processor (DSP)

A specialized digital microprocessor that performs calculations on digitized signals that were originally analog and then sends the results on.

DIMM

See dual in-line memory module.

DIP switch

See dual in-line package switch.

direct inward dialing (DID)

The ability for an outside caller to call an internal extension without having to pass through an operator or attendant.

direct memory access (DMA)

A quick method of moving data from a storage device directly to RAM, which speeds processing.

directory

1. A messaging feature that allows you to hear a user's name and extension after pressing * * N at the activity menu.

2. A group of related files on a computer that are accessed by a common name.

display terminal

A data terminal with a screen and keyboard used for displaying messaging screens and performing maintenance or administration activities.

distributed communications system (DCS)

A network of two or more switches that uses logical and physical data links to provide full or partial feature transparency. Voice links are created by using tie trunks.

distribution list

See mailing list.

DMA

See direct memory access.

DNIS

See dialed number identification service.

DNS

See domain name server.

domain

An area where data processing resources are under common control. For example, the messaging system is one domain, and an email system is another domain.

domain name server (DNS)

A computer system that returns the IP address for an Internet host name or vice versa.

DSP

See digital signal processor.

DSU

See data service unit.

DTE

See data terminal equipment.

DTMF

See dual tone multifrequency.

dual in-line memory module (DIMM)

A method of containing random access memory (RAM) chips on narrow strips that are attached directly to sockets on the CPU circuit card. A DIMM has a 64-bit path to the memory chips.

dual in-line package (DIP) switch

A small switch, usually attached to a printed circuit card, in which there are only two settings: on or off (or 0 or 1). DIP switches are used to configure the card in a semipermanent way.

dual language greetings

The capability of messaging users to create personal greetings in two different languagesone in a primary language and one in a secondary language. This capability exists when the multilingual feature is turned on and the prompts for user mailboxes can be in either of the two languages.

dual tone multifrequency (DTMF)

A way of signaling consisting of a pushbutton or touchtone dial that sends out a sound consisting of two discrete tones that can be picked up and interpreted by telephone switches.

E

electrostatic discharge (ESD)

The discharge of a static charge on a surface or body through a conductive path to ground. ESD can damage integrated circuits.

enabled/disabled

The state of a hardware device that indicates whether it is available for use by the messaging system. Devices must be equipped before they can be enabled (made active).

endpoint

See fax endpoint.

enhanced call transfer

A messaging feature that allows compatible switches to transmit messages digitally over the BX.25 (data) link. This feature is used for quick call transfers and requires a fully integrated digital switch. Callers can transfer only to other extensions in the switch dial plan.

enhanced serial data interface (ESDI)

A software-controlled and hardware-controlled method used to store data on magnetic peripherals.

equipped/unequipped

The state of a networking channel that indicates whether the messaging software has recognized it. Devices must be equipped before they can be enabled (made active).

error message

A message on the screen indicating that something is wrong within the system and possibly suggesting how to correct it.

errors

Problems detected by the system during operation and recorded in the maintenance log. Errors can produce an alarm if they exceed a threshold.

escape from reply

The ability to quickly return to getting messages for a user who encounters a problem trying to respond to a message. To escape, the user presses #.

escape to attendant

A messaging feature that allows users with the call answer feature to have a personal attendant or operator administered to pick up their unanswered calls. A systemwide extension can also be used to send callers to a live agent.

ESD

See electrostatic discharge.

ESDI

See enhanced serial data interface.

Ethernet

A local-area network (LAN) architecture that uses a bus or star topology and supports data transfer rates of 10 Mbps.

event

An informational message about the system's activities. For example, an event is logged when the system is rebooted. Events may or may not be related to errors and alarms.

facilities restriction level (FRL)

A value that determines which types of calls the users of a switch are allowed to make.

facility out-of-service (FOOS)

State of operation during which the current channel is not receiving a dial tone and is not functioning.

facsimile

See fax.

fax

1. A digitized version of written, typed, or drawn material transmitted over telephone lines and printed out elsewhere.

2. Computer-generated text or graphics transmitted over computer networks. A computer-generated fax is typically printed to a fax machine, but can remain stored electronically.

fax addressing prefix

A dial string that uniquely identifies a particular fax nodepoint to the messaging system. It is used by the system as a "template" to differentiate all call-delivery machines on the network from each other.

fax endpoint

Any device capable of receiving fax calls. Fax endpoints include fax machines, individual personal computer fax modems, fax ports on LAN fax servers, and ports on fax-enabled messaging systems.

fax print destination prefix

A dial string that the messaging system adds to the fax telephone number the user enters to print a fax. The system takes the full number (fax print destination prefix + fax telephone extension) and hunts through the machine translation numbers until it finds the specific fax endpoint.

field

An area on a screen, menu, or report where information can be typed or displayed.

FIFO

See first-in/first-out.

file

A collection of data treated as a basic unit of storage.

filename

Alphanumeric characters used to identify a particular file.

file redundancy

See mirroring.

file system

A collection of related files (programs or data) stored on disk that are required to initialize a messaging system.

first-in/first-out (FIFO)

A method of processing telephone calls or data in which the first call or piece of data to be received is the first call or piece of data to be processed.

F key

See function key.

FNPAC

See foreign numbering-plan area code.

FOOS

See facility out-of-service.

foreign exchange (FX)

A central office (CO) other than the one providing local access to the public telephone network.

foreign numbering-plan area code (FNPAC)

An area code other than the local area code that must be dialed to call outside the local geographical area.

FRL

See facilities restriction level.

function

Individual steps or procedures within a mailbox activity.

function key (F key)

A key on a computer keyboard programmed to perform a defined function when pressed. The user interface for the messaging system defines function keys F1 through F8.

FX

See foreign exchange.

G

G.711

Protocol to specify telephone audio encoding with Pulse Code Modulation (PCM) of voice frequencies over a 64 kbps channel.

GOS

See grade of service.

grade of service (GOS)

A parameter that describes the delays in accessing a port on the messaging system. For example, if the GOS is P05, 95% of the callers hear the system answer, and 5% hear ringing until a port becomes available to answer the call.

guest password

A feature that allows callers who are not messaging users to leave messages on the system by dialing a user's extension and entering a system-wide guest password.

H

hard disk drive

A high-capacity data-storage and data-retrieval device that is located inside a computer. A hard disk drive stores data on nonremovable high-density magnetic media based on a predetermined format for later retrieval by the system.

header

Information that the system creates to identify a message. A message header includes the originator or recipient, type of message, creation time, and delivery time.

help

A command run by pressing HELP or CTRL + ? on a messaging display terminal to show the options available at your current screen position. In the messaging system, press * H on the telephone keypad to get a list of options.

host file

An additional address resolution tool on the messaging system. The host file stores domain names and IP addresses that otherwise cannot be found through a domain name server, including other systems in the Messaging digital network.

HTML

See hypertext markup language (HTML).

HTTP

See hypertext transport protocol (HTTP).

hypertext markup language (HTML)

A set of tags or text markings that are used to create pages for display through the World Wide Web. HTML requires a browser to interpret the page for electronic display.

hypertext transport protocol (HTTP)

A protocol with the lightness and speed necessary for a distributed, collaborative, hypermedia information system. HTTP is used for communication between the World Wide Web server and the browser, sending information over the Internet.

hunt group

A group of analog ports on a switch usually administered to search for available ports in a circular pattern.

I

IDE

Integrated Drive Electronics. An IDE interface is an interface for mass storage devices, in which the controller is integrated into the disk or CD-ROM drive.

IDI

Isolating data interface.

INADS

See initialization and administration system.

inband PBX configuration tool

A tool that provides a screen-based interface to administer new inband and mode-code switch integrations.

inband signaling

Inband integration is possible on supported switches through the use of dual-tone multifrequency (DTMF) signaling. String of DTMF tones are transmitted on the analog voice channel after the channel connects to answer the call, but before the voice is cut through. Typically, the string contains the calling party identification (CLI), the called party identification (CP), and the reason for the call (redirection or direct call). Dial strings for activation and de-activation of message waiting indicators (MWI) is included in the protocol.

information service

See bulletin board.

initialization

The process of bringing a system to a predetermined operational state. The startup procedure tests hardware; loads the boot file system programs; locates, mounts, and opens other required file systems; and starts normal service.

initialization and administration system (INADS)

A computer-aided maintenance system used by technicians at a remote site to track alarms.

initialize

To start up the system for the first time.

input

A signal fed into a circuit or channel.

integrated services digital network (ISDN)

A network that provides end-to-end digital connectivity to support a wide range of voice and data services.

interface

The device or software that forms the boundary between two devices or parts of a system, allowing them to work together.

Internet

A global, interconnected, computer network that is used for electronic communication and transmission. The Internet accommodates any number of endpoints. The World Wide Web is made possible by the Internet, as is email communication.

interrupt request (IRQ)

Within a personal computer, a signal sent from a device to the CPU to temporarily suspend normal processing and transfer control to an interrupt handling routine.

Messaging Digital Networking

A messaging feature that allows customers to link up to 500 remote messaging machines for a total of up to 500,000 remote users.

Message Manager

A Windows-based software product that allows messaging users to receive, store, and send their voice or fax messages from a personal computer. The software also enables users to create and send multimedia messages that include voice, fax, file attachments, and text.

IP address

A 32-bit network location, usually expressed as four decimal numbers (0255) separated by periods.The IP address represents the TCP/IP address of a machine on a network and on the Internet.

IRQ

See interrupt request.

ISDN

See integrated services digital network.

J

jumper

A pair or set of small prongs or pins on circuit cards and mother boards the placement of which determines the particular operation the computer selects. When two pins are covered, an electrical circuit is completed. When the jumper is uncovered, the connection is not made. The computer interprets these electrical connections as configuration information.

K

L

label

The name assigned to a disk device through software. Cartridge labels can have a generic name (such as "3.3") to show the software release, or a descriptive name if for backup copies (such as "back01"). Disk drive labels usually indicate the disk position (such as "disk00" or "disk02").

LAN

See local area network.

last-in/first-out (LIFO)

A method of processing telephone calls or data in which the last call or piece of data received is the first call or piece of data to be processed.

LCD

See liquid crystal display.

LDAP

See Lightweight Directory Access Protocol.

leave word calling (LWC)

A switch feature that allows the calling party to leave a standard (nonvoice) message for the called party using a feature button or dial access code.

LED

See light emitting diode.

LIFO

See last-in/first-out.

light emitting diode (LED)

A light on the hardware platform that shows the status of operations.

Lightweight Directory Access Protocol (LDAP)

A set of protocols for accessing information directories. LDAP is based on X.500 standards, but it is simpler and supports TCP/IP for Internet access. Thus, it has become the standard for Internet-based applications.

Linux® operating system

A freely-distributable open source implementation of UNIX that runs on a number of hardware platforms.

liquid crystal display (LCD)

The 10-character alphanumeric display that shows the status of the system, including alarms.

live data

The information maintained by the voice messaging system and stored in the messaging system itself.

load

The process of reading software from external storage such as a disk and placing a copy in system memory.

local area network (LAN)

A network of personal computers that communicate with each other and that normally share the resources of one or more servers. Operation of Message Manager requires that the messaging system and the users' personal computers be on a LAN.

local machine

The messaging system where a user's mailbox is located. All users on this home machine are called local users.

local installation

A switch, adjunct, or peripheral device installed physically near the host switch or system. It also means collocated.

log

A central collection point for information flowing from messaging components and component packages. The messaging system uses a series of logs.

login

A unique code a user must enter to gain approved access to the messaging system.

login announcement

A feature enabling the system administrator and other designated users to create a mail message that is automatically played to all messaging users every time they log in to the system.

LWC

See leave word calling.

M

mailbox

A portion of disk memory that is allotted to each messaging system user for creating and storing outgoing and incoming messages.

Mailbox Manager

A product developed by Unimax to support mailbox (subscribers) adds and changes.

mailing list

A group of user addresses assigned a list ID# and public or private status. A mailing list can be used to simplify the sending of messages to several users. Even if a mailing list is designated as public, it is only available to other subscribers on the same messaging server.

maintenance

The process of identifying system errors and correcting them or taking steps to prevent problems from occurring.

major alarm

An alarm detected by the messaging software that affects at least one-fourth of the messaging ports in service. Often a major alarm indicates that service is affected.

MANOOS

See manually out-of-service.

manual backup

See backup.

manually out-of-service (MANOOS)

State of operation during which a unit is intentionally taken out of service.

mean time between failures

The average time a manufacturer estimates will elapse before a failure occurs in a component or system.

Communication Managerserver

This term refers to either the S8300 Server, S8400 Server, or MultiVantage Express Server.

media type

The form a message takes. The media types supported by the messaging system are voice, text, and file attachments.

memory

A device that stores logic states such that data can be accessed and retrieved. Memory can be temporary (such as system RAM) or permanent (such as disk).

menu

A list of options displayed on a computer terminal screen or spoken by a voice processing system. Users choose the option that reflects the action they want the system to take.

menu tree

The way in which nested automated attendants are set up.

message categories

Groups of messages in messaging users' mailboxes. Categories include new, unopened, and oldfor the incoming mailbox and delivered, accessed, undelivered, undeliverable, and file cabinetfor the outgoing mailbox.

message component

A media type included in a multimedia message. These types include voice, text, and file attachments.

Message Manager

See Message Manager.

message waiting indicator (MWI)

An indicator that alerts messaging users that they have received new mail messages. An MWI can be an LED or neon lamp, or an audio tone (stutter dial tone).

message waiting lamp (MWL)

See message waiting indicator.

minor alarm

An alarm detected by maintenance software that affects less than one-fourth of the messaging ports in service but has exceeded error thresholds or can have an impact on service.

mirroring

A messaging system feature that allows data from crucial file systems to be continuously copied to backup (mirror) file systems while the system is running. If the system has some problem where an original file system cannot be used, the backup filesystem is placed in service automatically.

ML

MERLIN LEGEND application identifier.

mode code

A string of touchtones from a MERLIN LEGEND switch. A mode code can send messaging system information such as call type, calling party, called party, and on/off signals for message waiting indicators.

modem

A device that converts data from a form that is compatible with data processing equipment (digital) to a form compatible with transmission facilities (analog), and vice-versa.

modular

A term that describes equipment made of plug-in units that can be added together to make the system larger, improve its capabilities, or expand its size.

modular processor data module (MPDM)

A data device that converts RS-232C or RS-449 protocol signals to digital communications protocol (DCP) used by Avaya Communication Manager. MPDMs can connect the messaging system to a switch DCIU or SCI link or connect terminals to a switch port card.

MPDM

See modular processor data module.

MT

Maintenance application identifier.

MTBF

See mean time between failures.

multilingual feature

A feature that allows announcement sets to be active simultaneously in more than one language on the system. Mailboxes can be administered so that users can hear prompts in the language of their choice.

MWI

See message waiting indicator.

MWL

See message waiting lamp.

N

network loop-around test

A test used to check the data transmission path connecting the local messaging server with the service office (SO) and the public network.

networking prefix

A set of digits that identifies a messaging machine.

night attendant

The automated attendant created on a MERLIN LEGEND switch that automatically becomes active during off-hours. The night attendant substitutes for one or more daytime attendants.

not deliverable message

A message that could not be delivered after a specified number of attempts. This usually means that the user's mailbox is full.

NPA

See numbering plan area.

NT

Networking application identifier.

numbering plan area

Formal name for 3-digit telephone area codes in North America. Within an area code, no two telephone lines can have the same 7-digit telephone number. The code is often designated as NXX, to indicate the three digits.

O

off hook

See switch hook.

on hook

See switch hook.

online help system

A messaging system feature that provides information about user interface pages, screens, and menus and is accessed by pressing a function key or by clicking a field name or help button.

open systems interconnection (OSI)

An internationally accepted framework of standards for communication between systems made by different vendors.

operating system (OS)

The set of software programs that runs the system hardware and interprets software commands.

option

A choice selected from a menu or an argument used in a command line to specify program output by modifying the execution of a command. When you do not specify any options, the command is executed according to its default options.

OS

See operating system.

OSI

See open systems interconnection

outcalling

A messaging system feature that allows the system to dial users' numbers to inform them they have new messages.

outgoing mailbox

A storage area on the messaging system where users can keep copies of messages for future reference or action.

P

parallel transmission

The transmission of several bits of data at the same time over different wires. Parallel transmission of data is usually faster than serial transmission.

password

1. A word or character string recognized automatically by the messaging system that allows users to access their mailboxes or allows a system administrator to access the system data base.

2. An alphanumeric string assigned to local and remote networked machines to identify the machines or the network.

password aging

A messaging feature that allows administrators to set a length of time after which a user's messaging password or the administrator's system password expires. The user or administrator must then change the password.

PBX

See private branch exchange.

PDM (processor data module)

See modular processor data module (MPDM).

peripheral device

Equipment such as a printer or terminal that is external to the messaging cabinet but necessary for full operation and maintenance of the system.

personal directory

A messaging feature that allows each user to create a private list of customized names.

pinouts

The signal description per pin number for a particular connector.

port

A connection or link between two devices that allows information to travel to a desired location. For example, a switch port connects to a messaging voice port to allow a caller to leave a message.

POST

See power on self-test.

power on self-test (POST)

A set of diagnostics stored in ROM that tests components such as disk drives, keyboard, and memory each time the system is booted. If problems are identified, a message is sent to the screen.

primary call coverage

A setting made in the messaging subscriber screen or in the switch Station screen. The coverage setting designates where the voice system routes calls when a caller presses 0 and designates where the switch routes unanswered calls.

priority call answer

A messaging feature that allows users to designate a call answer message as a priority message. To make a message a priority message, the caller presses 2 after recording.

priority messaging

A messaging feature that allows some users to send messages that are specially marked and preferentially presented to recipients.

priority outcalling

A messaging feature that works with the priority messaging feature by allowing the message recipient to elect to be notified by outcalling only when a priority message has been received.

private branch exchange (PBX)

An analog, digital, or electronic telephone switching system where data and voice transmissions are not confined to fixed communications paths but are, instead, routed among available ports or channels.

private mailing list

A list of addresses that only the messaging system user who owns it can access.

private messaging

A feature of messaging that allows a user to send a message that cannot be forwarded by the recipient.

processor data module (PDM)

See modular processor data module (MPDM).

programmed function key

See function key (F Key).

proprietary integration

Serial integration requires an RS-232 interface. The elements of the serial protocol are typically a superset of those in the inband signaling, with the addition of a field describing channel information. When the call is forwarded to the system a packet of information is sent through an RS-232 standard serial cable, providing the integration data for the channel the call arrives on.

protocol

A set of conventions or rules governing the format and timing of message exchanges (signals) to control data movement and the detection and possible correction of errors.

public mailing list

A list of addresses that any messaging subscriber can use if that subscriber knows the list owner's list ID number and extension number. Only the list owner can modify a public mailing list. Only subscribers on the same messaging server can access and use each others' mailing lists.

pulse-to-tone converter

A device connected to the switch that converts signals from a rotary pulses to touchtone signals. This device allows callers to use rotary telephones to access options in a messaging user's mailbox or in an automated attendant.

Q

R

RAM

See random access memory.

random access memory (RAM)

The memory used in most computers to store the results of ongoing work and to provide space to store the operating system and applications that are actually running at any given moment.

read-only memory (ROM)

A form of computer memory that allows values to be stored only once. After the data is initially recorded, the computer can only read the contents. ROM is used to supply constant code elements such as bootstrap loaders, network addresses, and other more or less unvarying programs or instructions.

reboot

See boot.

remote access

Sending and receiving data to and from a computer or controlling a computer with terminals or personal computers connected through communication (that is, telephone) links.

remote connection test

A test used to check the transmission path from the local server to the remote machine.

remote installation

A system, site, or piece of peripheral equipment that is installed in a different location from the host switch or system.

remote maintenance

The ability of Avaya personnel to interact with a remote computer through a telephone line or LAN connection to perform diagnostics and some system repairs.

remote network

A network in which the systems are integrated with more than one switch.

remote service center

An Avaya or Avaya-certified organization that provides remote support to messaging customers. Depending on the terms of the maintenance contract, the remote service center can be notified of all major and minor alarms and have the ability to remotely log in to your system and correct problems.

remote terminal

A terminal connected to a computer over a telephone line.

remote users

Messaging users whose mailboxes reside on a remote messaging machine.

REN

See ringer equivalence number.

reply loop escape

A messaging feature that gives a user the option of continuing to respond to a message after trying to reply to a nonuser message.

reply to sender

A messaging feature that allows users to immediately place a call to the originator of an incoming message if that person's telephone extension is in the dial plan for the switch.

request to send (RTS)

One of the control signals on an EIA-232 connector that places the modem in the originate mode so that it can begin to send.

restart

1. A messaging feature that allows users who have reached the system through the call answer feature to access their own mailboxes by entering the * R (Restart) command. This feature is especially useful for long distance calls or for users who want to access the messaging system when all the ports are busy.

2. The reinitialization of certain software, for example, restartingthe messaging system.

restore

The process of recovering lost or damaged files by retrieving them from available backup.

retention time

The amount of time messages are saved on disk before being automatically deleted from a user's mailbox.

reusable upgrade kit (RUK)

A package shipped to the customer's site prior to an upgrade that contains materials the technician needs to complete the installation. This package includes an A/B switch box, a keyboard, a 25-foot coaxial cable, two T adapters, and terminations to a LAN circuit card. It remains the property of Avaya once the installation is finished.

rewritable compact disc (CD-RW)

A rewritable, optical storage medium used to load system software and back up system information on messaging systems.

rewritable compact disc drive

The physical data storage and retrieval device used on messaging systems to transfer large amounts of information on to rewritable compact discs (CD-RW).

right-to-use (RTU) fee

A charge to the customer to access certain functions or capacities that are otherwise restricted, for example, additional voice or networking ports or hours of speech storage. Avaya personnel can update RTU parameters either at the customer's site or remotely through a modem.

ringer equivalence number (REN)

A number required in the United States for registering your telephone equipment with a service provider.

ROM

See read-only memory.

RTS

See request to send.

RUK

See reusable upgrade kit.

S

scan

To automatically play mail messages, headers, or both.

scheduled delivery time

A time and/or date that a messaging user can assign to a message that tells the system when to deliver it. If a delivery time is omitted, the system sends the message immediately.

serial port external loopback test

A test consisting of a program that writes a set of data patterns to one or more selected ports, reads the data set that is returned, and then compares the two sets of data. Before this test can be executed, the transmit and receive pins must be wired together. See also serial port internal loopback test.

serial port internal loopback test

A test that is similar to the serial port external loopback test but does not require that the transmission transmit and receiving pins be wired together. Because the serial port internal loopback test is not used to test the full cabling of the port, the results it provides are not as thorough as those provided by the serial port external loopback test. See also serial port external loopback test.

serial port send test

A test that is used to write a continuous stream of printable alphanumeric characters to the specified port. This test is helpful when a new device is being added to the system and a continuous stream of data is required to resolve wiring issues.

serial integration

Can be two types: Proprietary and Simplified Message Desk Interface (SMDI).

serial transmission

The transmission of one bit at a time over a single wire.

server

A computer that processes and stores data that is used by other smaller computers.

shielded cables

Cables that are protected from interference with metallic braid or foil.

SID

See switch integration device.

SIMM

See single in-line memory module.

simplified message desk interface (SMDI)

Also known as station message desk interface. Type of data link from the central office that contains information and instructions for the messaging system. With SMDI, the caller need not reenter the called number once the call terminates to the messaging system.

simplified message service interface (SMSI)

Type of data link connection to an integrated 1A ESS or 5ESS switch in the messaging system.

single in-line memory module (SIMM)

A method of containing random access memory (RAM) chips on narrow strips that are attached directly to sockets on the CPU circuit card. A SIMM has a 32-bit path to the memory chips. Multiple SIMMs are sometimes installed on a single CPU circuit card to meet the memory requirements of the processor.

SMDI

See simplified message desk interface.

SMDR

See station message detail recording.

SMSI

See simplified message service interface.

station message desk interface (SMDI)

See simplified message desk interface.

station message detail recording

See call detail recording (CDR).

subscriber

An end user who has been assigned a mailbox on the system and has user privileges on the messaging system.

surge

A sudden rise and fall of voltage in an electrical circuit.

surge protector

A device that plugs into the telephone system and the commercial AC power outlet to protect the telephone system from damage due to high-voltage surges.

SW

Switch integration application identifier.

switch

An automatic telephone exchange that allows the transmission of calls to and from the public telephone network.

switch integration

The sharing of information between a voice messaging system and a switch used to provide a seamless interface to callers and subscribers.

switched access

A connection made from one endpoint to another through switch port cards. This allows the endpoint (such as a terminal) to be used for several applications.

switch hook

The device at the top of most telephones that is depressed when the handset is resting in the cradle (that is, when the telephone is on hook). This device is raised when the handset is picked up (that is, when the telephone is off hook).

switch-hook flash

A signaling technique in which the signal is originated by momentarily depressing the switch hook.

switch integration

The sharing of information between a messaging system and a switch to provide a seamless interface to callers and system users. A fully integrated messaging system, for example, answers each incoming telephone call with information taken directly from the switch. Such information includes the number being called and the circumstances under which the call was sent to that number, for example, covered from a busy or unanswered extension.

switch integration device (SID)

A combination of hardware and software that passes information from the switch to the messaging system thus allowing it to share information with non-Avaya switches. The operation of a SID is unique to the particular switch with which it interfaces.

switch network

Two or more interconnected switching systems.

synchronized mailbox

A mailbox that is paired with a corresponding mailbox in another domain and linked through software that keeps track of changes to either mailbox. When the contents of one mailbox change, the software replicates that change in the other mailbox.

synchronous communication

A method of data transmission in which bits or characters are sent at regular time intervals, rather than being spaced by start and stop bits.

synchronous transmission

A type of data transmission in which the data characters and bits are exchanged at a fixed rate with the transmitter and receiver synchronized. This allows greater efficiency and supports more powerful protocols.

system configuration

See configuration.

T

T.30

The standard for Group III fax machines that covers the protocol used to manage a fax session and negotiate the capabilities supported by each fax endpoint.

tagged image file format (TIFF)

A compressed graphic format used to store and exchange digital image data. Faxes are stored in this format.

TCP/IP

See transmission control protocol/internet protocol.

TDD

See telecommunications device for the deaf.

TDM

See time division multiplexing.

telecommunications device for the deaf (TDD)

A device with a keyboard and display unit that connects to or substitutes for a telephone. The TDD allows a person who is deaf or hearing-impaired to communicate over the telephone lines with other people who have TDDs. It also allows a person who is deaf or hearing-impaired to communicate with the messaging system.

telephone user interface (TUI)

The standard method of accessing messages through the telephone, that is, using the keypad to send commands to the messaging server and listening to messages through the handset.

terminal

See display terminal.

terminal type

A number indicating the type of terminal from which a user is logging into the messaging system. Terminal type is the last required entry before gaining access to the messaging display screens.

terminating resistor

A grounding resistor placed at the end of a bus, line, or cable to prevent signals from being reflected or echoed.

text-to-speech

A messaging option that pronounces text messages so users can retrieve text messages via the telephone user interface.

TIFF

See tagged image file format (TIFF).

time division multiplexing (TDM)

A method of serving multiple channels simultaneously over a common transmission path by assigning the transmission path sequentially to the channels, with each assignment being for a discrete time interval.

tone generator

A device acoustically coupled to a rotary telephone that is used to produce touchtone signals.

traffic

The flow of attempts, calls, and messages across a telecommunications network.

transaction

The act of routing a telephone call placed onsite through the switch to its final destination. Also the act of routing an incoming call to an extension.

translations

Software assignments that tell a system what to expect on a certain voice port or the data link, or how to handle incoming data. Translations customize the messaging system and switch features for users.

transmission control protocol/Internet protocol (TCP/IP)

A suite of protocols that allow disparate hosts to connect over a network. Transmission control protocol (TCP) organizes data on both ends of a connection and ensures that the data that arrives matches the data that was sent. Internet protocol (IP) ensures that a message passes through all the necessary routers to the proper destination.

troubleshooting

The process of locating and correcting errors in computer programs (also called debugging) or systems.

TTS

See text-to-speech (TTS).

TUI

See telephone user interface (TUI).

U

UCD

See uniform call distribution.

unattended backup

The regular and automatic backup performed by the messaging system of information critical to its operation.

Undelete

A messaging feature that allows users to restore the last message deleted by pressing * U.

undelivered message

A message that has not yet been sent to a messaging user's incoming mailbox. The message resides in the sender's outgoing mailbox and can be modified or redirected by the sender.

unequipped

See equipped/unequipped.

unfinished message

A message that was recorded but not approved or addressed, usually as the result of an interrupted messaging session. Also called working message.

uniform call distribution (UCD)

The type of call distribution group (or hunt group) of analog port cards on some switches that connects users to the messaging system.

uniform resource locator (URL)

An Internet text address stored in a format recognized to signify a link. A uniform resource locator is a standardized way of representing different documents, media, and network services on the World Wide Web.

uninterruptable power supply (UPS)

An auxiliary power unit that provides continuous power in cases where commercial power is lost.

untouched message

A messaging feature that allows a user to keep a message in its current category by using the * * H (Hold) command. If the message is in the new category, message waiting indication remains active; for example, the message waiting lamp remains lit.

UPS

See uninterruptable power supply.

URL

See uniform resource locator (URL).

U. S. 123

An alternate announcement set in U. S. English whose prompts use numbers, not letters, to identify telephone keypad presses. For example, a prompt might say, "Press star three,"instead of, "Press star D."

user

A designated person with system administrator privileges in the messaging system to add, change, and delete subscribers in that system

USB

universal serial bus. An external bus standard that supports data transfer rates of 480 Mbps (480 million bits per second).

user interface

The devices by which users access their mailboxes, manage mailing lists, administer personal greetings, and use other messaging capabilities. Types of user interfaces include a touchtone telephone keypad and a personal computer equipped with Message Manager.

user population

A combination of different types of users on which the messaging configuration guidelines are based.

V

vector

A customized program in the switch for processing incoming calls.

VM

Voice messaging application identifier.

voice mail

See voice message.

voice mailbox

See mailbox.

voice message

Digitized information stored by the messaging system on disk memory. Also called voice mail.

voice terminal

A telephone used for spoken communications with the messaging system. A touchtone telephone with a message waiting indicator is recommended for messaging users.

voicing

1. Speaking a message into the messaging system during recording.

2. Having the system play back a message or prompt to a user.

VoIP

The technology - also known as Voice over IP or IP Telephony- of sending voice information in digital form in discrete packets rather than in the traditional circuit-committed protocols of the public switched telephone network (PSTN).

VP

Voice platform application identifier.

VR

Voice response application identifier.

W

WAN

See wide area network.

warning

A warning appears in an alarm or event log when a condition exists that may have an affect on the messaging system, especially if the condition goes untreated.

wide area network (WAN)

A data network typically extending a local area network (LAN) over telephone lines to link with LANs in other buildings and/or geographic locations.

www.messenger

A browser-based interface that allows messaging users to receive, store, and send their voice from any computer browser, including Windows, Macintosh, and Sun. The software also enables users to create and send multimedia messages that include voice, file attachments, and text.

X

Y

Z