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VoIP Terminology

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VoIP Definitions and Terminology

Ever get confused by all of the acronyms, abbreviations, slang, and cutting edge vocabulary that is thrown at you everyday from the VoIP industry?

Join the club!

I understand what it is like to say “Huh”, or “What” when some slick talking expert or engineer goes off on a tangent about the technology driving this innovative industry. That’s why I have created this VoIP terminology directory to not only benefit those with a high level of understanding of the industry, but for those who are just starting out.

How’d You Do That?

Its simple. For each of the VoIP terms in this directory, I have created a technical or official definition along with a layman’s definition. No matter who you are this directory is sure to help you gain a better understanding of VoIP industry terminology.

Enjoy!

VoIP Definitions and Terminology Directory

A

  • (AP) Access Point
  • (ADC) Analog-to-Digital Convertor
  • Analog
  • Analog VoIP Gateway
  • (ATA) Analog Telephone Adaptor
  • (API) Application Programming Interface
  • (ASP) Application Service Provider
  • (ADSL) Asymmetrical Digital Subscriber Line
  • ADSL2
  • ADSL2+
  • (ASR) Automated Speech Recognition
  • (ACD) Automatic Call Distribution

B

  • (B2B) Business-to-Business
  • (B2C) Business-to-Consumer
  • (BDSL) Broadband Digital Subscriber Line
  • BroadVoice
  • (bps) Bits Per Second
  • (BPS) Bytes Per Second
  • (BRI) Basic Rate Interface

C

  • (CALEA) Communications Assistance For Law Enforcement Act
  • CallButler
  • Call Server
  • (CCIE) Cisco Certified Internetwork Expert
  • (CCNA) Cisco Certified Network Associate
  • (CDMA) Code Division Multiplex Access
  • (CLEC) Competitive Local Exchange Carrier
  • (CLI) Command Line Interface
  • CODEC
  • (CSCO) Cisco Systems

D

  • (DECT) Digital European Cordless Telephony
  • (DHCP) Dynamic Host Configuration Protocol
  • (DID) Direct Inward Dial
  • (DOD) Direct Outward Dialing
  • (DP) Dial Plan
  • (DSL) Digital Subscriber Line
  • (DSLAM) Digital Subscriber Line Access Multiplexer
  • (DTMF) Dual Tone Multi-Frequency

E

  • E911
  • E911 POTS
  • Echo Cancellation
  • (ENUM) Electronic Numbering

F

  • Fax
  • (FoIM) Fax over IM
  • (FoIP) Fax over IP
  • Full Duplex
  • (FIFO) First In First Out
  • (FXS) Foreign eXchange Station
  • (FTP) File Transfer Protocol
  • (FXO) Foreign eXchange Office

G

  • G.711a
  • G.711U
  • G.722
  • G.723.1
  • G.726
  • G.728
  • G.729a
  • GrandCentral
  • (GSM) Global System for Mobile Communications
  • (GUI) Graphical User Interface

H

  • H.323
  • Half Duplex

I

  • (IAD) Integrated Access Device
  • (IAX) Inter-Asterisk Exchange
  • IEEE 802.3
  • (ILEC) Incumbent Local Exchange Carrier
  • (IM) Instant Messaging
  • (IMS) IP Multimedia Subsystem
  • (IP) Internet Protocol
  • IP PBX
  • (ISDN) Intergrated Services Digital Network
  • (ISP) Internet Service Provider
  • (IVR) Interactive Voice Response
  • (IXC) Inter-Exchange Carrier

J

    K

      L

      • Linksys VoIP

      M

      • Media Gateway
      • (MGCP) Media Gateway Control Processor
      • (MMS) Multimedia Messaging Service

      N

      • (NAT) Network Address Translation
      • (NOC) Network Operations Center
      • (NSP) Network Service Provider

      O

      • OC-1
      • OC-3

      P

      • (P2P) Peer-to-Peer
      • (PABX) Private Automatic Branch Exchange
      • (PBX) Private Branch Extension
      • (PCI) Peripheral Component Interconnect PC Bus Card
      • PCI Express
      • (PGP) Pretty Good Privacy
      • phone system
      • (PnP) Plug-n-Play
      • (POTS) Plain Old Telephone Service
      • (POVS) Plain Old VoIP Service
      • (PRI) Primary Rate Interface
      • (PSN) Packet Switched Network

      Q

      • (QOS) Quality of Service

      R

      • (RBOC) Regional Bell Operating Company
      • (RJ) Registered Jack
      • (RJ-11) Registered Jack 11
      • (RJ-45) Registered Jack 45

      S

      • (SBC) Session Boarder Controller
      • (SCCP) Skinny Client Control Protocol
      • (SDSL) Symmetric Digital Subscriber Line
      • (SIP) Session Initiation Protocol
      • (SMB) Small Medium Business
      • (SMS) Short Messaging Service
      • (SOHO) Small Office Home Office
      • (SS7) Signal System 7

      T

      • T.30
      • T.38
      • T1
      • T2
      • T3
      • (TDMA) Time Division Multiple Access
      • Telco
      • (TVoIP) TV over IP

      U

      • (UM) Unified Messaging
      • (UMTS) Universal Mobile Telephone Service Standard
      • (UPnP) Universal Plug and Play
      • (USB) Universal Serial Bus

      V

      • (VAR) Value Added Reseller
      • (VLAN) Voice Local Area Network
      • (VoIP) Voice over IP
      • (VoWIFI) Voice over WiFi
      • (VPN) Virtual Private Network
      • (VSPT) Voice Services Provisioning Tool

      W

      • (WAN) Wide Area Network
      • (WAP) Wireless Application Protocol
      • (WiFi) Wireless Fidelity
      • (WiMAX) Worldwide Interoperability for Microwave Access
      • (WISP) Wireless Internet Service Provider
      • (WLAN) Wireless Local Area Network
      • (WML) Wireless Markup Langauge Script
      • (WPA) Wireless Protected Access

      X

        Y

        Z

                   
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