Glossary/list of abbreviations

 

AAA – Authentication, Authorization and Accounting. A suite of network security services that provides the primary framework through which you can set up access control on your router or access server.

AD – Abbreviated Dialing

ADSL – Asymmetric Digital Subscriber Line

ANI – Automatic Number Identification

AOR – Address of Record

API – Application Programming Interface

ASP – Application Service Provider

ASR – Answer Seizure Ratio

ATA – Advanced Technology Attachment

B2BUA – Back-to-Back User Agent

BH – Busy Hour

BHCA – Busy Hour Call Attempts

BHCC – Busy Hour Call Completion

BLF – Business Lamp Field

bps – Bits per Second

Bps – Bytes per Second

Call leg – A link or hop along the route from the calling party to the destination (called) party.

CDR – Call Detail Record

CLI – Command Line Interface

CLI, CLID – Calling Line Identification

CMS – Call Management Services

COMEDIA – Connection-Oriented Media

CPE – Customer Premise Equipment

CPS – Calls per Second

CRM – Customer Relationship Management

CSP – Communications Service Provider

CSCF – Call Service Control Function

DCE – Data Communications Equipment

DHCP – Dynamic Host Configuration Protocol

DID – Direct Inward Dialing

DNS – Domain Name System

DoS – Denial of Service

DSBC – Dispatching SBC

DSL – Digital Subscriber Line

DTE – Data Terminal Equipment

DTMF – Dual-Tone Multi-Frequency

DTLS – Datagram Transport Layer Security

E911 – Enhanced 911

FTTH – Fiber to the Home network

GK – Gatekeeper. The entity that maintains a registry of devices in an h323 network.

GPON – Gigabit Passive Optical Network

GSM – Global System for Mobile Communications

GUI – Graphical User Interface

GUID – Globally Unique Identifier (also called h323-conf-id). The identifier for end-to-end calls. A new GUID is assigned to each new call. There may be numerous calls within a single session.

GW – Gateway

HLR – Home Location Register

HTML – Hypertext Markup Language

HTTP – Hypertext Transfer Protocol

ICE – Interactive Connectivity Establishment

IM – Instant Messaging

IMS – IP Multimedia Subsystem

IP PBX – Internet Protocol Private Branch Exchange

IPTV – Internet Protocol Television

ISDN – Integrated Services Digital Network

ISP – Internet Service Provider

ITSP – Internet Telephony Service Provider

IVR – Interactive Voice Response

LAN – Local Area Network

LCR – Least Cost Routing

LDAP – Lightweight Directory Access Protocol

LTE – Long Term Evolution is a standard for wireless communication of high-speed data for mobile phones and data terminals

MAC – Media Access Control

MAC address – The physical address of a device on Ethernet.

MMS – Multimedia Messaging Service

MNO – Mobile Network Operator

MVNO – Mobile Virtual Network Operator

NANP – North American Numbering Plan

NAS – Network Access Server

NAT – Network Address Translation

NGN – Next Generation Network

OEM – Original Equipment Manufacturer

OLT – Optical Line Terminal. The endpoint of the service provider for GPON service provisioning

ONT – Optical Network Terminal. The end user endpoint, installed on the customer premises

OS – Operating System

PAI – P-Asserted-Identity

PBX – Private Branch Exchange

PCI – P-Charge-Info

PDA – Personal Digital Assistant

PDF – Portable Document Format

PIN – Personal Identification Number

POTS – Plain Old Telephony Service. Basic telephone service supplying standard single-line telephones, telephone lines, and access to PSTN.

PPI – P-Preferred-Identity

PPP – Point-to-Point Protocol

PRI – Primary Rate Interface

PSAP – Public-Safety Answering Point

PSTN – Public Switched Telephone Network

QoS – Quality of Service

QR – Quick Response

RADIUS – Remote Authentication Dial-In User Service

RAM – Random Access Memory

RPID – Remote-Party-ID

RTCP – Real-Time Transfer Control Protocol

RTP – Real-Time Transport Protocol

SBC – Session Border Controller

SDP – Session Definition / Description Protocol

SDES – Session Description Protocol Security Descriptions

SG – Signaling Gateway

SIM Card – Subscriber Identify Module Card

SIP – Session Initiation Protocol

SMPP – Short Message Peer-to-Peer

SMS – Short Messaging Service

SOAP – Simple Object Access Protocol

SQL – Structured Query Language

SRTP – Secure Real-time Transport Protocol

SRV – Service Record

SS7 – Signal System 7

STUN – Session Traversal Utilities for NAT

TAS – telephony Application Server

TCP – transmission Control Protocol

Telco – A telephone company, such as LEC.

TFTP – Trivial File Transfer Protocol

TLS – transport Layer Security

TURN – traversal Using Relay NAT

UA – User Agent

UAC – User Agent-Client

UAS – User Agent-Server

UDP – User Datagram Protocol

UPnP – Universal Plug and Play

URI – Uniform Resource Identifier

URL – Uniform Resource Locator

VoIP – Voice over Internet Protocol

WAN – Wide Area Network

WebRTC – Web Real-Time Communication

xDR – Extensible Detail Record

XML – Extensible Markup Language