ACD
Automatic Call Distribution
ACDM
Automatic Cable Delay Measurement
ACO
Account Code
A-CRC
CRC over the A-field (error information for DECT)
ACS
Advanced Communication System, a telephony subsystem in the MX-ONE Service Node
ACS
Application Collaboration Server, a server platform used by for example attendant applications (like InAttend)
AD
Abbreviated Dialing (Speed Dialing).
AD
Active Directory (Microsoft).
ADAM
Active Directory Application Mode (Microsoft)
ADN
Additional Directory Number (for DTS)
ADSI
Active Directory Server Interface
AES
Advanced Encryption Standard
AGP
Announcement Group number
AH
Authentication Header
AIDE
Advanced Intrusion Detection Environment (Linux tool)
AL
Application Layer, or Application Link (for CSTA phase 1)
ALEX
Active Library Explorer (an obsolete tool that was used to access the CPI documentation in earlier ASP 113 releases, and in the phased-out TSW/MD110)
ALG
Application Layer Gateway
AM
Advanced Messaging, MiCollab AM
ANCD
Automatic Network Call Distribution
ANI
A-number Identification
ANSI
American National Standards Institute
AOC
Advice of Charge (ISDN services)
AOC-D
Advice of Charge, During call
AOC-E
Advice of Charge, End of call
AON
A-number function in the export markets.
AP
Access Point. A radio transceiver providing LAN connection to wireless devices.
API
Application Programming Interface. See also CA API, CSTA, E-API, and I/O API.
APN
Access Point Name
APNSS
Analog Private Network Signaling System (phased-out trunk)
APP
Application layer
ARC
Access Right Class (in DECT)
ARD
Access Rights Details (in DECT)
ARI
Access Right Identity (in DECT)
ARP
Address Resolution Protocol
AS
Application System
ASCII
American Standard Code for Information Interchange
ASN.1
Abstract Syntax Notation 1
ASR
Automatic Speech Recognition
ATM
Asynchronous Transfer Mode
ASU
(Mitel) Application Server Unit
ATS
Analog Telephone Set
AUX
Auxiliary
B2BUA
Back-to-Back User Agent
BAM
Basic Alarm Manager. A tool in the IMS that can be used to handle triggered inputs and alarms and user data from DECT handsets.
BAS
BluStar Application Server, for video terminal
BC
Bearer Capability
BCC
Bearer Channel Control
BCD
Binary Coded Decimal
BDM
Background Debug Mode
BER
Basic Encoding Rules
BHCA
Busy Hour Call Attempt
BHCC
Busy Hour Call Completion
BIOS
Basic Input/Output System
BRA
Basic Rate Access (see also 2B+D)
BRI
Basic Rate Interface (2B+D trunk, phased-out)
BSC
BluStar Client
BSS
Basic Service Set
BSS
BluStar Server
BSY
Busy message
C
C-reference point (ISDN)
CA
Certificate Authority. A trusted third party that certifies that the other entities are who they say they are.
CA API
Call Accounting Application Programming Interface
CAC
Call Admission Control
A method to limit IP traffic on low bandwidth links. The CAC can be used for example for load distribution and to reduce congestion risks in IP traffic.
CAD
Call Diversion
CALT
Call Types
CAP
CTM Access Profile. A DECT concept.
CAS
Channel Associated Signaling.
The Channel Associated Signaling (CAS) extension interface provides a digital connection to external equipment and offers them, through PCM lines, the function of analog extensions. Besides the analog extension function, the CAS extension offers the ability to switch data from 64 kbit clear-channel data-interfaces connected to the external equipment. This is applicable, for example, where a multiplexer (MUX) is used as a simple remote unit and permits connections from multiplexed data extensions to other MX-ONE data interfaces such as ISDN external lines and a Digital Private Network Signaling System.
CAW
Call Waiting
CBCS
Call By Call Service number (used in LCR)
CBNA
Callback at No Answer (same as CCNR)
CBWF
Callback When Free (same as CCBS)
CC
Call Control, Collect Call, or Country Code.
CC3
Condition code format with 3 characters (CC1 and CC2 also exist).
CCA
Clear Channel Assessment
CCBS
Call Completion to Busy Subscriber
CCFP
Common Control Fixed Part
CCITT
Comite Consultatif International Telegraphique et Telephonique, now called the International Telecommunication Union (ITU-T).
CCMP
Counter Mode Cipher Block Chaining-Message Authentication Code (CBC-MAC) protocol (used in WiFi)
CCNR
Call Completion on No Reply (ISDN service)
CCOP
Customer Centralized Operator
CCS
Common Channel Signaling
CD
Command Data, or Compact Disc (e.g. CD-ROM)
CDIV
Call Diversion
CFB
Call Forwarding on Busy (ISDN service)
CFP
Common Fixed Part (DECT base station)
CFNR
Call Forwarding on No Reply (ISDN service)
CFU
Call Forwarding Unconditional (ISDN service)
CHAP
Challenge Handshake Authentication Protocol
CHO
Choice
CHS
Channel Signaling. Signaling defined in ITU-T standard H.245 v3.
CI
Common Interface
CID
Customer Identity
CIL
Call Information Logging (also called SMDR)
CIO
Chief Information Officer
CISS
Call Independent Supplementary Service
CL
Call Logging (see CIL)
CLI
Calling Line Identification
CLIP
Calling Line Identification, Presentation
CLIPRO
Calling Line Identity Presentation Restriction Override
CLIR
Calling Line Identification Restriction
CLR
Circuit Loudness Rating
CLSS
Connectionless Supplementary Services
CLT
Clerical Time
CMG, CMG-VM
Contact Management. An advanced contact management system for telephony. CMG-VM is a voice mail system in CMG.
CNF
Conference
CNG
Comfort Noise Generation or Calling tone for Fax.
CNIP
Calling Name Information Presentation (for DECT)
CO
Central Office
Codec
Coder-decoder
COLR
Connected Line Identification Restriction
COMP
Compensation
CONF
Conflict Number Flag
C-OP
Centralized Operator
CORG
Call Origin Group, a PBX-operator group (of integrated, legacy type)
CoS
Class of Service
CP
Common Public Directory Number
CPU
Central Processing Unit
CQL
Cassandra Query Language
CRC
Cyclic Redundancy Check
CRL
Certificate Revocation List. A list of certificates that have been revoked before their scheduled expiration date.
CSI
Call Service Information
CSIU
Call Service Information Users
CSP
Common Service Profile
CSTA
Computer Supported Telecommunications Application
CSU
Channel Service Unit
CSV
Congestion Supervision Value
CT
Call Tracing, or Computer Telephony.
CTI
Computer-Telephony Integration (via the CSTA interface)
CTL
Cordless Terminal Line program. An MX-ONE software line block for cordless DECT phones.
CTLM
Cordless Telephone Line block Program, Main/common part
CTM
Cordless Terminal Mobility
CUST
Customer number
CXH
Cordless Extension Handler
CXN
Cordless extension
DAM
DECT Authentication Module
DASS
Digital Access Subscriber System
DB
DataBase
DC
Direct Current
DCA
Dynamic Channel Allocation
DCK
Derived Cipher Key
DCS
Duplicated Control System
DECT
Digital Enhanced Cordless Telecommunications
DEST
External Destination
DFS
Dynamic Frequency Selection
DHCP
Dynamic Host Configuration Protocol
DID
Direct In-dialing
DiffServ
Differentiated services. Mechanism used to specify and control network traffic by class so that certain types of traffic get precedence.
DIG
Digit
DIP
Dynamic IP
DIR
Directory Number
DISA
Direct Inward System Access
DIV
Diversion
DL
Data Link
DLC
Data Link Control
DMI
Digital Multiplex Interface
DMN
Diversion Monitoring key
D.N.A.
Dynamic Network Administration (obsolete/phased-out management product, used in earlier versions of MX-ONE)
DND
Do Not Disturb
DNIS
Dialed Number Information Service
DNS
Domain Name System. A system for converting host names and domain names into IP addresses on the Internet or on local networks that use the TCP/IP protocol.
DNT
Destination Number Table
DOS
Disk Operating System
DoS
Denial of Service
DPNSS
Digital Private Network Signaling System 1, defined by British Telecom
Dq
D-channel at the Q-reference point, ISDN signaling channel
DRA
Dynamic Route Allocation (obsolete function)
DRG
Digital Residential Gateway
Gateway used in a domestic or small office environments for various purposes (digital TV, VoIP, and so on). It can connect an Ethernet LAN to the Internet, often with routing and firewall capabilities. By priority mechanisms carrier-grade voice quality is achieved to be used for voice or G3 fax calls.
DSAA
DECT Standard Authentication Algorithm
DSCA
DECT Standard Ciphering Algorithm
DSCP
Differentiated Services Code Point
DSP
Digital Signal Processor
DSS1
Digital Signaling System no.1.
DSU
Distributed Switch Unit
DTIM
Delivery Traffic Indication Message
DTMF
Dual Tone Multi Frequency. A method of transmitting keypad key presses or event representations by sending voice frequency band tones in pairs from a matrix, each pair representing a key or an event (busy signal, dial tone, or ring back tone).
DTS
Digital Telephone Set
DUP
DECT User Part
E
Erlang. A standard unit for telephone traffic intensity. For example, if a portable is used 12 minutes per hour, the traffic intensity of that portable is 12/60 minutes, that is, 0.2 Erlang.
EA
External Analysis
EAP
Extensible Authentication Protocol (e.g. used for port authentication in MGU)
EBG
Enterprise Branch Gateway (phased-out product, replaced for example by MBG)
EBN
Enterprise Branch Node (phased-out product, replaced by SBN)
ECF
External Call Forwarding (external follow-me diversion)
ECMA
European Computer Manufacturer’s Association. Responsible for standardizing private telecom networks.
ED
External destination
EDN
Extra Directory Number (for SIP extensions). Similar to ADN.
EIC
Equipment Installer’s Code
ELIN
Emergency Location Information Number
ELISE
Embedded Linux Server. Hardware platform used for Unite modules.
ELM
Enterprise License Manager
ELR
Echo Loss Rating or Equivalent Loudness Rating.
ELU
Extension Line Unit
EMC
Electromagnetic Compatibility
EMN
Enterprise Mobility Node. Controls and monitors circuit switched calls and provides end-users with features, such as a PBX.
ENR
External Number Redial
ENT
External Number Table
ENUM
The E.164 to URI dynamic delegation discovery system application. A SIP (trunk) concept which means DNS look-up of data associated with E.164 numbers. See RFC 6116.
EOS
End Of Selection
EP
Endpoint. A generic term for referring to H.323 terminals, gateways and MCUs.
EPP
Express Powering Pair
EQU
Equipment Position. (See relevant parameter description for the format).
ERN
Emergency Call Routing Notification
ERWT
Expensive Route Warning Tone
ES
Errored Seconds
ESD
Electrostatic Discharge
ESP
Encapsulating Security Protocol
ESSID
Extended Service Set Identifier. An alphanumeric string of maximum 32 characters. This string is used as an identifier for the WLAN system.
ETPID
Ethernet-coded Tag Protocol Identifier
ETSI
European Telecommunications Standards Institute
EVM
Event Manager. A set of tools for alarm handling, fault correlation, and topology information of ASB 501 04 and MiCollab Advanced Messaging network elements.
EWT
Estimated Waiting Time
EWTA
Estimated Waiting Time Announcement
EX
Mitel EX Controller, a common gateway from Sentinel/Media5corp
EXN
Extension
FAX
Facsimile Transmission
FC
Feature Code or Function Code.
FCAPS
Fault, Configuration, Accounting, Performance, and Security Management paradigm
FCNCODE
Function Code. (Only outgoing hardware signals from the Server). Indicates to the hardware to which order (or response) a signal corresponds.
FCS
Failure Cause
FCV
Frame Counter Value
FDDI
Fibre Distributed Data Interface
FDT
Fictitious Destination Table
FEN
Free seating Extension Number
FER
Frame Error Rate
FMC
Fixed-Mobile Convergence. A wide range of mobile services converging elements of fixed communications infrastructure to complement the core mobile service.
FME
Follow-me
FoIP
Fax over IP
FP
DECT fix part, radio base station. The logical entity that handles the network end of the DECT protocol. In the MX-ONE Mobility system, the FP consists of the ELU31 board and the connected base stations.
FPGA
Field Programmable Gate Array
FPI
Fixed Part Identity (parameter in DECT commands)
FPN
Fixed Part Number (in DECT)
FPS
Fixed Part Sub-number (in DECT)
FQDN
Fully Qualified Domain Name
FR
Frame Relay
FRCT
Fictitious Route Choice Table
FRL
Facility Restriction Level
FSK
Frequency Shift Keying
FT
Fixed radio Termination. A logical group of functions that contains all of the DECT processes and procedures on the Fixed Part of the DECT CI.
FTP
File Transfer Protocol
FTU2
Failure Transfer Unit
FW
Firmware
GAP
Generic Access Profile. A DECT concept.
GARP
Generic Attribute Registration Protocol
GDI
Generic DECT network Interface
GDND
Group Do Not Disturb
GEC
Generic Error Control
GEH
Generic Extension Handler
GF
Generic Functional procedures, ISDN mechanism for conveying standardized data.
GFP
Generic Functional Protocol for the Support of Supplementary Services, ETS 300 806-2 (ISDN).
GICI
General Information Computer Interface
GK
Gatekeeper
GNU
A UNIX compatible software system developed by the Free Software Foundation (FSF).
GOS
Grade Of Service. It is the probability that a call cannot be made because of congestion in the system. The customer has to indicate which Grade Of Service is acceptable.
GRP
Group Number
GS
Group Switch. Obsolete from MX-ONE 7.0 onwards.
GSM
Group Switch Module. Obsolete from MX-ONE 7.0 onwards.
GUI
Graphical User Interface
GW
Gateway; Media Gateway of some kind, for example MGU or Sentinel 400.
GX
Mitel GX Gateway, a common gateway from Sentinel/Media5corp.
HCS
Hospitality Communication System
HDD
Hard Disk Drive
HLC
High Level Compatibility
HLR
Home Location Register
HTML
Hypertext Markup Language
HTTP
Hypertext Transfer Protocol
HTTPS
Hypertext Transfer Protocol Secure
HW
Hardware
IAD
Individual Abbreviated Number (Speed Dialing)
ICL
Intrusion Capability Level
ICMP
Internetwork Control Message Protocol
ICS
Interception Computer Service
IDS
Intrusion Detection Systems
IE
Information Element. A piece of information borne by an H.323 message.
IEEE
Institute of Electrical and Electronics Engineers, Inc.
IEEE 802
A family of IEEE standards dealing with local area networks and metropolitan area networks, specifically restricted to networks carrying variable-size packets, see also Ethernet.
IETF
Internet Engineering Task Force
IIS
Internet Information Server
I/F
Interface
IKE
Internet Key Exchange
IM
Instant Messaging
IMAP
Internet Message Access Protocol
IMR
Instant Message Router
IMS
Integrated Messaging Server. Supports sending and receiving SMS messages to and from a cordless phone and access to a central phone book.
IN
Intelligent Network
I/O
Input/Output
I/O API
Input/Output system Application Programming Interface
IP-OWS
IP-based Operator Workstation
IP
Internet Protocol
IPBS
IP-DECT Base Station
IPC
Inter-PBX Connection at the C-reference point (ISDN)
IPDI
International Portable DAM Identity. Global unique identity, which is hard coded on the SIM-card.
IPDV
IP Packet Delay Variation or Inter-Packet Delay Variation.
IPEI
International Portable Equipment Identity. Global unique identity, which is hard coded in the Portable Part.
IPeX
IP extension. The name of an MX-ONE feature. It allows the connection of IP terminals to the MX-ONE. It covers the software and hardware within the exchange to allow that connection.
IPL
Inter-PBX Link at the Q-reference point (ISDN), Inter-protection Level, Intrusion Protection Level, or Inter-processor Link.
IPLP
Program unit implementing a Gatekeeper and an “Extension” Gateway.
IPLU
Internet Protocol Line Unit for H.323- and SIP interface, used for both extensions and trunks. MX-ONE 7.0 or later releases do not support IPLU.
IP PBX
IP-based Private Branch Exchange
IPSec
Internet Protocol Security
IPS
Intrusion Prevention Systems
IPTD
IP Transmission Delay
IPU
I/O Unit (only for sustaining)
IPUI
International Portable User Identity. Globally unique, available in each PP. Used only in the access rights procedure.
IPv6/IPv4
Internet Protocol version 6 and version 4.
IRD
Individual Repeated Distribution
IS
Interception computer system or Interception Service.
ISAKMP
Internet Security Association and Key Management Protocol
ISDN
Integrated Services Digital Network
ISDN Q
Q-interface or Q-reference point (between PBXs), ISDN concept.
ISDN Q-SIG
Q.SIG is an ISDN-based protocol developed for networking different enterprise switching systems together and providing additional supplementary services for feature transparency.
ISDN S0
An ISDN S0terminal has access or partial access to most of the MX-ONE specific extension features. The busy state related services, such as Callback, Call Waiting, Diversion on Busy, Individual Call Pick-up, PBX group membership, Call Announcement, Extending, and Intrusion are, however, not supported. An ISDN S0terminal can be, for example, a telefax GP4, PC with ISDN board, PC with ISDN board and a phone, terminal adapter with a handset, video phone, LAN connection or an ISDN phone.
ISDN T
T-interface or T-reference point (between PBX and public exchange), ISDN concept.
IS/IT
Information System/Information Technology
ISO
International Standardization Organization
ISP
Internet Service Provider
ITG
Integrated Trunk Gateway
ITU
International Telecommunications Union
ITU-T
International Telecommunications Union - Telecommunications Standardization Sector
IVN
Intervening Network
IVR
Integrated Voice Response
IWF
Interworking Function
IWU
Interworking Unit. A unit that is used to interconnect subnetworks. The IWU will contain the interworking functions necessary to support the required subnetwork interworking.
JBoss (a.k.a. WildFly)
Java platform, used for example by PM and SNM
JRE
Sun Java Runtime Environment
kbit/s
Kilobits per second.
kbps
Kilobits per second.
KS
Digital key system telephone text or Session Authentication Key.
KVM
Kernel-based Virtual Machine (IBM’s VM included in Linux)
KVM
Keyboard Video Module (for DELL servers)
L2TP
Layer 2 Tunneling Protocol
LA
Location Area
LAC
Least Cost Routing Access Code
LAN
Local Area Network. A data network with a shared or switched medium, usually owned, used, and operated by a single organization.
LAPD
Link Access Procedure D-channel
LBP
LIM Backplane
LCD
Liquid Crystal Display
LCE
Link Control Entity
LCR
Least Cost Routing
LCS
Microsoft Live Communication Server
LDAP
Lightweight Directory Access Protocol. A protocol used to access a directory listing. LDAP databases, which use this protocol, are no longer used within the ASP 113 system, but may be used as external database for specific features, such as Blacklisting of certain public subscribers.
LD-CELP
Low Delay Code Excited Linear Prediction
LDIF
LDAP Data Interchange Format
LED
Light Emitting Diode
LIM
Line Interface Module. Legacy name from the MD110/TSW, still used in MX-ONE in some management and switching functions.
The LIM can be defined as a Server with an MX-ONE Service Node instance, plus one or several Media Gateways. The Media Gateway(s) can be HW or SW based. One or multiple Servers and one or multiple Media Gateways can be seen as a single logical system.
LL
Lower Layers
LLME
Lower Layer Management Entity
LLP
Local Loader
LLQ
Low Latency Queuing
LNR
Last Number Redial
LOC
Location Code (Exchange identity for routing purposes).
LOCPR
Local Private Code
LOCPU
Local Public Code
LPU
LIM Processor Unit
LR
Loudness Rating or Location Registration.
LRMS
Low Rate Messaging Service
LRMS PTP
Low Rate Messaging Service Point-To-Point. This service is the transport layer for SMS.
LS
LIM Switch
LSB
Least Significant Bit
LSU-E
LIM Switch Unit Ethernet (obsolete, phased out from MX-ONE 7.0)
LV
Length and Value
M
Module (1 M = 2.54 mm) or Mandatory.
MAC
Media Access Control (HW address), or Message Authentication Code.
The Message Authentication Code is a one-way hash computed from a message and some secret data. It is difficult to forge without knowing the secret data. Its purpose is to detect if a message has been altered. (This is the modified message digest, mentioned for TLS.)
MAN
Metropolitan Area Network
MAPI
Messaging Applications Programming Interface
MBG
Mitel (Survivable) Branch Gateway
MCA
Media Control Application (used in MGU)
Mbps
Megabits per second
Mbyte
Megabyte
MCT
Malicious Call Tracing
MCU
Multipoint Controller Unit. An entity for managing multiparty conferences.
MDF
Main Distribution Frame
MDIR
Main Directory number. In dual forking the Own Directory number registered both in MX-ONE and MS-Lync.
MDM
Main Distribution Module
MDN
Multiple represented Directory Number or Multiple Directory Number.
MDP
Market Dependent Parameter, a value that can vary between application systems.
ME
Mobile Extension
MES
Mobile Extension Server
MEW
Message Waiting
MF
Multi Frequency
MFC
Multi Frequency signaling, Compelled
MFPB
Multi Frequency Push Button
MFU
Multi Frequency Unit for senders/receivers of MF signaling
MGU, MGU2
Media Gateway Unit, the primary MX-ONE Media Gateway.
MGW
Media Gateway
MIB
Management Information Base. A database in a managed object reflecting its current configuration and status.
MiCAM
MiCollab Advanced Messaging (former OneBox)
MiCCE
Mitel Contact Center Enterprise
MiCollab
Mitel Collaboration and Unified Messaging applications. Soft clients, UM and Messaging functions.
MIL
Mobility Information Logging (specific DECT logging in SMDR)
MLA
Managed Service License Agreement
MLS
Mobile Location Service
MM
Mobility Management
MMB
Multi-Member Busy (a concept for multi-line telephones)
MMC
Microsoft Management Console, or Mitel Mobile Client (former AMC).
Mitel Mobile Client (MMC) is referred to as FMC (Fixed-Mobile Convergence) from MX-ONE 7.0 onwards.
MML
Man-Machine Language
MMN
Mitel Mass Notification application (for emergency calls)
MMS
Multimedia Messaging Service. A protocol forming part of LRMS PTP, which in turn is used as transport layer for SMS.
MMW
Manual Message Waiting
MNS
Multiple directory number and Name Selection (monitoring).
MO
Mobile Originated SMS message.
MoH
Music on Hold, a feature that provides music or other voice messages to a parked party.
MOS
Mean Opinion Score
MoW
Music on Wait. A feature that provides music or other voice messages to a queued or otherwise waiting party.
MPA
Mitel Performance Analytics (former MarWatch application).
MS
Mobile Station, or Media Server (a software based media gateway)
MSB
Most Significant Bit
MSC
Mobile Switching Center
MSH
Messaging Server line interface Handler
MSI
Manufacturer Specific Information
MSL
Messaging Server Line interface
MSN
Multiple Subscriber Number
MSP
Media Stream Processor, or Manager System Performance
MSRP
Message Session Relay Protocol
MT
Mobile Terminated SMS message
MTI
Message Type Indicator
MTLS
Mutual Transport Layer Security
MUP
Management User Part
MW
Message Waiting
MWI
Message Waiting Indication
N/A
Not applicable
NA
Number Analysis
NAC
Network Access Code
NAT
Network Address Translation
NDC
National Destination Code
NGW
Non-gateway
NI
Name Identity
NIC
Network Interface Card or Network Interface Controller.
NIU
Network Interface Unit (phased-out)
NLT
Number Length Table
NOW
Operator application, part of the CMG application suite.
NPA
Numbering Plan Area
NPI
Numbering Plan Identifier
NSI
Non Specified Information
NT
Network Termination
NTP
Network Time Protocol
NWK
Network
O
Optional
O&M
Operation and Maintenance
OACC
Operator Access Code
OAP
Open Access Protocol. An XML based protocol used to create customized applications for Unite access.
OAS
Open Application Server
OC
Office Code
OCPT
Office Code Prefix Table or Office Code Prefix Table number.
ODN
Own Directory Number
OLR
Overall Loudness Rating
OMD
Operator Media Device (H.323 based)
OP
Operator
OPI
Operator Instrument, legacy attendant console
OPS
PBX Operator Subsystem
OS
Operating System
OSA
Operator System Access
OSI
Open Systems Interconnection
OU
Organizational Unit
PABX
Private Automatic Branch Exchange (deprecated, see PBX)
PAP
Password Authentication Protocol
PARI
Primary Access Right Identity. A DECT parameter that uniquely identifies a Fixed Part.
PARK
Portable Access Right Key. Downloaded to the cordless phone by using the access rights procedure. The key is compared to the FP’s ARI for correct access.
PBA
Printed Board Assembly
PBX
Private Branch Exchange
PCC
Packet Classification Circuit
PCM
Pulse Code Modulation
PDC
Public Destination access Code
Portable Document Format, a language for representing printable documents defined by Adobe Systems.
PDM
Portable Device Manager. An application used for the configuration of the VoWi-Fi handsets. Exists in both System and Windows version.
PDN
Public Directory Number
PEAP
Protected Extensible Authentication Protocol
PEN
Personal Number
PER
Packet Encoding Rules
PFA
Packet Frame and Access (module)
PHL
Physical layer
PHY
Physical
PIN
Personal Identification Number
PINX
Private ISDN exchange
PKI
Public Key Infrastructure. Used for asymmetric encryption.
PLD
Programmable Logic Device
PLI
PARK Length Indicator
PLMN
Public Land Mobile Network
PN
Personal Number
PNP
Private Numbering Plan
PNR
Private Network Routing
POE
Power over Ethernet
POTS
Plain Old Telephone Service. A traditional telephone service found in most homes and businesses that remains the most basic form of telephone service everywhere in the world. Also referred to as the Public Switched Telephony System (PSTN).
PP
DECT portable part or handset
PPP
Point-to-Point Protocol
PRA
Primary Rate Access (see also 23B+D or 30B+D).
PRE
Prefix
PRI
Primary Rate Interface
PRL
Parallel Ringing List for extensions
PSCN
Primary Receiver Scan Carrier Number, defines the RF carrier on which one receiver will be listening on the next frame.
PSTN
Public Switched Telephony System. The network of the world's public circuit-switched telephone networks. Also referred to as the Plain Old Telephone Service (POTS).
PSU
Power Supply Unit
PT
Portable radio Termination. A logical group of functions that contains all of the DECT processes and procedures on the portable side of the DECT CI.
PTN
Private Telephone Network
PTS
Proceed To Send
PTT
Push-To-Talk
PU
Program Unit
PU5DC
Power Unit with 5 DC/DC units
PUN
Portable User Number
PUT
Portable User Type (PUN numbering plan)
Q
Q-reference point (ISDN)
QFALC
Quad Framing And Line interface Component. A framer and line interface component that is designed to fulfill all required interfacing between four analog E1/T1 lines and digital PCM system highway.
QINF
Queue Information indicator
QoS
Quality of Service
A monitoring feature in MX-ONE that collects data concerning end-to-end delay, jitter, and packet loss for RTP media traffic.
QSIG
ISDN signaling over the Q-reference point (a tieline protocol, PBX to PBX signaling).
R2 MFC
Multi-Frequency Compelled R2. MFC trunk signaling protocol.
R&D
Research and Development
RAC
Individual Authorization Code (regional)
RADIUS
Remote Authentication Dial In User Service. A distributed client/server system that secures networks against unauthorized access.
RAM
Random Access Memory
RAS
Registration/Admission/Status signaling protocol used between EPs and GKs. Part of H.225.0. Or Remote Access Server.
RCC
Remote Call Control
RCS Server
Remote Provisioning and Configuration Server for end user clients and phones
RCT
Route Choice Table
RED
Random Early Discarding
REN
REN is a concept for analog telephone lines, defined as 6930 ohms in series with 8 micro farad, which normally corresponds to the load of one analogue phone. You may have for example maximum 4 phones on the same line.
RES
Reset indicator or Radio Equipment and Systems.
RFC
Request For Comments. A series of documents concerning new research, innovations, and methodologies applicable to Internet technologies. The IETF adopts some of the proposals published in RFCs as Internet standards. Each RFC is designated by an RFC number.
RFP
Radio Fixed Part (Radio base station)
RFPI
Radio Fixed Part Identity
RG5DC
Ringing Generator with 5 DC/DC units
RID
Repeated Individual Diversion
RL
Relay Layer
RLR
Receive Loudness Rating
ROC
Routing Category
RP
Relay Layer Protocol
RPM
Red Hat Package Manager
RPN
Radio fixed Part Number
RQI
Received Quality Indication
RRQ
Registration Request
RS
Session Key
RS232
Industry standard serial communication protocol.
RSSI
Received Signal Strength Indication
RSVP
Resource Reservation Protocol. A QoS signaling protocol that nails down a channel through an IP network based on the session ID.
RTCP
Real-time Transport Control Protocol
RTOS
Real-Time OS
RTP
Real-time Transport Protocol. An Internet protocol for transmitting real-time data such as audio and video.
RTSP
Real-time Transport Streaming Protocol
RX
Receive
RXN
Remote Extension. A mobile or fixed public phone also represented in a private network or node.
SA
Security Association
SAAS
Software As A Service. MX-ONE SaaS is replaced with MX-ONE MLA (Managed Services License Agreement) from MX-ONE 7.0 release onwards.
SAN
Centralized data storage, e.g. for VMware.
SAP
Session Announcement Protocol
SARI
Secondary Access Right Identity. A parameter that uniquely identifies a DECT system.
SBC
Session Border Controller
SBN
Survivable Branch Node (based on MiVoice MX-ONE)
SC
Service Center (in DECT SMS)
SC
Service Code (a.k.a. FC, feature code, used in prefix procedures).
SC
Silence Compression (in DECT)
SC n
Serial Communication channel number (for example, SC1 = channel 1).
SCA
Shared Call Appearance (for SIP extensions).
SCN
Switched Circuit Network
SCP
Signaling Control Protocol
SCTP
Stream Control Transmission Protocol
SDIR
Secondary Directory number. Used for a secondary phone in parallel ringing.
SDP
Session Description Protocol
SES
Servered Errored Seconds
SES
Service System, the additional operating system functions of the ASP 113, on Linux.
SFB
Skype For Business, a Microsoft application (former Lync)
SGRP
Service Group (in ACD)
SID
Information System Identity
SIM
Subscriber Identity Module
SIP
Session Initiation Protocol or a network communications protocol commonly employed for Voice over IP signaling.
SKI
Soft-Key Information
SLA
Service Level Agreement
SLES
SuSe Enterprise Linux. A Linux product supplied by SuSe for the business market. It is targeted for servers, but can be installed on desktop computers for testing as well.
SLIC
Subscriber Line Interface Circuit
SLR
Send Loudness Rating
SM
MX-ONE Compact Server Media Gateway or Short Message.
SMDR
Station Message Detail Recording (see CIL)
SMMA
Short Message Memory Available
SMS
Short Message Service
SMTP
Simple Mail Transfer Protocol
SN
(MX-ONE) Service Node = former MX-ONE Telephony Server
SN
Subscriber Number
SNI
Single Number Indication
SNM
MX-ONE Service Node Manager (SNM) enables the configuration and operation of the MX-ONE system (except for extensions, which are handled by PM)
SNMP
Simple Network Management Protocol
SOAP
Simple Object Access Protocol
SOFT-KEY
A function key on an IP phone to access predefined functions for different traffic cases.
SOHO
Small Office/Home Office
SOI
Streaming On Idle (SIP extension)
SP
Service Pack, or Special Purpose Extension.
SPU4
Signal Processor Unit, version 4. Board with DTMF receivers. (Obsolete)
SQL
Structured Query Language database
SQT
Service Quarter Terminal
SRM
VMware Site Recovery Manager
SRTP
Secure Real-time Transport Protocol
SSD
Solid State Drive
SSH
Secure Shell
SSL
Secure Socket Layer
SSPC
Static Semipermanent Connection
SST
Site Survey Tool
SSW
MX-ONE System Software (for example program units SIPLP, CMP, TLPxx).
ST
Signaling Terminal
SW
Software
SYNC
Synchronization signal
T
Tag
TARI
Tertiary Access Right Identity (in DECT)
TCB
Transmission Control Block
TCD
Trunk Call Discrimination
TCI
Tag Control Information
TCM
Traveling Class Mark
TCP
Transmission Control Protocol. A communications protocol used along with the Internet Protocol (IP) to send data in the form of message units between computers over the Internet.
TCP/IP
Transport Control Protocol/Internet Protocol. The standard IP suite that provides network addressing and secure transport of data over a LAN-type network.
TCS
Traffic Control Subsystem
TDM
Time Division Multiplexing
TDMA
Time Division Multiple Access
TELR
Talker Echo Loudness Rating
TL
Transfer Layer or Trunk Line block/program.
TLS
Transport Layer Security. A security protocol from the IETF that is based on Secure Socket Layer (SSL) 3.0.
TLU
Trunk Line Unit
TLV
Tag, Length, and Value
TM
Traffic Measurement
TMU
Tone and Multiparty Unit
TNS
Telephony Name Selection or Transit Network Selection. A key type for a DTS and H.323 extension, but also a category related to LCR.
TON
Type of Number
ToS
Type of Service. A QoS mechanism that tags IP packets so they can receive different treatment from network devices. (Superseded by DiffServ).
TP
Transfer Protocol
TPC
Transmit Power Control
TPDU
Transfer Protocol Data Unit (in DECT SMS)
TPUI
Temporarily Portable User Identity (in DECT)
TR87
A Technical Report from standardization organizations on CSTA via SIP.
TR
Traffic Recording, or Token Ring, or Technical Report.
TRK
Trunk
TRS
Trunk line and Routing Subsystem, but also Transceiver.
TRU
Trunk line. (See relevant parameter description for the format).
TSA
Time Slot Assigner or (obsolete) Telephony Server Application.