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Presented by Persimmon Telecommunications                                                                              Updated: July 13, 2022
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Telecommunications/Technology Glossary Acronyms Abbreviations Dictionary


EDGE  to  KPI

A-D  E-K  L-R  S-Z


  • EDGE - Enhanced Data rate for GSM Evolution - a wireless broadband technology similar to EVDO but used on GSM networks. EDGE download speeds range from 100 Kbps to 300 Kbps.
  • EDR - Endpoint Detection and Response
  • EFM - Ethernet in the First Mile
  • EHR - Electronic Health Records
  • EIGRP- Enhanced Interior Gateway Routing Protocol
  • EIR - Exceeded Information Rate
  • E-LAN - Ethernet LAN, a Layer 2 service - multipoint to multipoint service - totally meshed network
  • EMI - Enterprise Mobile Integration - allows extension of PBX functions to a cell phone.
  • ENI - Edge Network Intelligence
  • ENNI - External network to network interface; i.e., an interface connecting two networks usually networks of different providers.
  • ENS - Enterprise Network Service = E-LAN
  • Enum - Electronic Numbering - an IETF standard expected to marry PSTN to IP networks
  • EoC - Ethernet over Copper
  • EoDS1- Ethernet over DS1
  • EoDs3- Ethernet over DS3
  • EoF - Ethernet over fiber
  • EoHFC - Ethernet over Hybrid Fiber Coax
  • EoTDM- Ethernet over TDM
  • EoX - Ethernet over Copper, DS1, DS3, or TDM
  • EPC - Evolved Packet Core
  • EPL - Ethernet Private Line - point-to-point EVC
  • EP-LAN - Ethernet Private LAN which is the same as an E-LAN
  • EPP - Endpoint Prevention Platform
  • EPVC - Enterprise PVC
  • ESG - Enterprise SIP Gateway (see next item)
  • ESG - Environmental, Social and Governance (see previous item)
  • E-UNI - Ethernet User-to-Network Interface - the point of demarc between the MEN and the CE.
  • EUCL - End User Common Line charge aka as the subscriber line charge - a monthly charge added to phone, voice T1 and PRI bills to cover state and federal charges. The EUCL is part of the FCC-mandated tariffed access charges that recover LEC costs associated with the origination and termination of interstate calls.
  • EVC - Ethernet virtual connection - connects two or more E-UNIs across the MEN.
  • EVDO - also abbreviated as EV-DO, EvDO, 1xEV-DO or 1xEvDO - Evolution Data Only or Evolution Data Optimized - a wireless radio broadband data protocol used with CDMA featuring download speeds possibly up to 3.1 Mbps (Rev. A). Today's average EV-DO download speeds average 300 Kbps to 500 Kbps with peak rates of 2.4 Mbps. Upload speeds average 50 Kbps to 70 Kbps with peak rates of 144 Kbps.
  • EVDO card - card that plugs into the PCMCIA slot on your laptop (almost all laptops have a PCMCIA slot), and as long as you can pick up a decent signal from that carrier's cell tower, you can get online with your laptop and this manufacturer-specific air card - aka "air card".
  • EVPL - Ethernet Virtual Private Line - point-to-multipoint EVC = a hub and spoke
  • FAP - Fair Access Policy - A policy that allows everyone over a satellite connection to have access to a certain minimum bandwidth. To accomplish this, a transmission limit is enforced. When a user exceeds the limit, their bandwidth is severely limited for a certain period of time that may vary from a day to a month. It's important to read the providers Terms of Service to understand the exact policy.
  • FCI - Federal Contract Information
  • FCP - Fiber Channel Protocol
  • FCR - First Call Resolution
  • FERPA - Fanily Educational Rights & Privacy Act
  • FMC - Fixed Mobile Convergence - the integration of landline and wireless technologies and services into a single telecommunications network.
  • FOC - Firm Order Commit Date - Outside Wiring Date
  • FQDN - Fully Qualified Domain Name
  • FroSDSL - Frame over SDSL
  • FTE - Full Time Equivalent - full-time employee, typically one who works 40 hours per week. Two or more employees whose work time add up to 40 hours per week also comprise one FTE.
  • FTTC - Fiber to the Cabinet aka Fiber to the Curb - Fiber run to a cabinet in the neighborhood. From there copper twisted pair or copper cable is used to connect to nearby buildings. The cabinet could be beside your property line or by that of one of your neighbors.
  • FTTD - Fiber to the Desk
  • FTTH - Fiber-to-the home
  • FTTN - Fiber-to-the-node - broadband service offered by some carriers, for example, AT&T, Qwest and Bell Canada. Conversion of the broadband signal takes place at the node with fiber to the network and copper to the customer premises.
  • FTTP - Fiber to the premises - Fiber running to the building(s) being served.
  • FTTX - Fiber to the neighborhood, for example, Verizon's FiOS.
  • FW - FireWall
  • FWaaS - Firewall as a Service.
  • FXO - Foreign Exchange Office - a telephone signaling interface or device that works with POTS by generating off-hook and on-hook indications at the FXS's end of a telephone circuit. Examples of FXO devices are standard analog telephones, fax machines, analog modems, and PBXs.
  • FXS - Foreign Exchange Station - a telephone interface which supplies battery power, dialtone, and ringing voltage via a special line run between a local FXO device and a remote CO/LEC switch or PBX switch. The local FXO device is assigned a number on a remote switch; and for all inbound and outbound calls, the device acts like it is connected directly to the remote switch.
  • GDPR - General Data Protection Regulation - a European Union compliance regulation that standardizes data privacy laws across Europe.
  • GFP - Generic framing procedure - GFP can be used to import non-traditional services such as Ethernet and storage area networks to Sonet.
  • GLBA - Gramm-Leach-Bliley Act - Compliance requirement for financial institutions.
  • GPN - Global Private Network
  • GPON - shared Gigabit Passive Optical Network - network with characteristics similar to shared coax.
  • GPS - Global positioning satellite - GPS chips, embedded in equipment, communicate with GPS satellites to identify the equipment's location.
  • GRE - Generic Routing Encapsulation
  • GSM - Global System for Mobile Communications - cellular technology used in over 100 countries by carriers such as T-Mobile.
  • GUI - Graphical User Interface - As opposed to a CLI, a GUI allows a human to interact with a computer (device or system) via graphical elements; e.g., windows, menus, icons.
  • HA - High Availability
  • HaaS - Hacking as a service - Service available on the dark web to enable hacking.
  • HDMI - High-Definition Multimedia Interface
  • HFC - Hybrid Fiber Coaxial Network - A HFC network is comprised of optical fiber cable in some parts and coaxial cable in other parts. Typically fiber is installed from the cable head-end (distribution center) to serving nodes. The serving nodes are connected directly to businesses and homes.
  • HIPAA- Health Insurance Portability and Accountability Act
  • HPNA - Home Phone Network Alliance - Version 3.1 is a recognized ITU standard that can use copper pairs and/or coax to distribute multimedia applications throughout a home at up to 320 Mbps.
  • HPKP - HTTP Public Key Pinning
  • HSIA - High Speed Internet Access
  • HSPA - High Speed Packet Access - an attractive option to 3G with download bandwidth between 3.6 and 14.4 Mbps. HSPA+ can give even higher bandwiths - up to 21 Mbps.
  • HSRP - Hot Standby Router Protocol
  • HSUPA - High Speed Uplink Packet Access
  • HTML - HyperText Markup Language - a set of standards, a variety of SGML, used to tag the elements of a hypertext document. It is the standard protocol for formatting and displaying documents on the World Wide Web. It's the standard markup language that defines the structure of your content for documents designed to be displayed in a web browser.
  • HTTP (Hypertext Transfer Protocol) is an application protocol for distributed, collaborative, hypermedia information systems that allows users to communicate data on the World Wide Web.
  • IaaS - Infrastructure as a Service
  • IAD - Integrated Access Device - Device used to breakout voice lines from data channels on a T1; usually has built-in router functionality; depending on the carrier, voice lines can be delivered either as digital or analog (DS1 or PRI).
  • IAM - Identity and Access Management
  • ICB - Individual Case Basis - Pricing that is not standard but that must be developed manually for special situations.
  • ICE - Interactive Connectivity Establishment
  • ICMP - Internet Control Management Protocol
  • ICT - Information and Communications Technology.
  • IDD - International Direct Dialing - allows one to place an international call without going through an operator. The IDD code is the set of numbers you dial to place an international call. Countries on the NANP (North American Numbering Plan);e.g., the USA, Canada, and some of the Caribbean countries, dial 011. In most other countries it's 00.
  • IDP - Identity Provider
  • IDR - Identity Detection and Response.
  • IDSL - ISDN Digital Subscriber Line: DSL service with limited availability. Allows 18,000-feet coverage and a upstream and downstream bandwidth of 144 kbit/s, slightly higher than the bandwidth of a bonded dual channel ISDN connection at 128kbit/s.
  • IFTTT - If This Than That - web bassed service that allows you to integrate various services so they can interact with each other even though their protocols are not compatible
  • IIoT - Industrial IoT
  • ILEC - Incumbent Local Exchange Carrier - the phone company that was providing local telephone service when the Telecommunications Act of 1996 was enacted.
  • IMS - IP Multimedia Subsystem - a Next Generation Networking architecture that supports a wide range of IP-based applications over packet-switched and circuit-switched networks using SIP. IMS allows network operators and service providers to control and charge for each service; it merges the Internet and Cellular worlds.
  • IoC - Indication of Compromise
  • IoT - The Internet of Things - refers to the idea that numerous devices will be connected to the Internet in the near future, not only desktops, laptops, tablets, and smart phones but also alarm systems, toasters, thermostats, and many other objects.
  • IP - Internet Protocol; Internet Pipe
  • IPAM - IP Address Management - usually accomplished using spreadsheet, database, or other automated tools.
  • IPP - Internet Printing Protocol - allows you to print to a network printer by specifying the device's URL
  • IPS - Intrusion-prevention system - system loaded with filters taht halt attacks against system vulnerabilities
  • IPsec- Internet Protocol security
  • IPT - IP Telephony
  • IPTV - Internet Protocol Television - Video programming or Video Conferencing delivered using IP.
  • IR - Instant Response
  • IRU - Irrefutable Rights of Use contract - Typically, a 10 or 20 year contract whereby bandwidth is sold by one carrier to another. Usually, no money changes hands but it involves a trade of bandwith.
  • ISDN - Integrated Services Digital Network
  • ISP - Internet Service Provider
  • ISR - Integrated Service Repair
  • IVA - Intelligent Virtual Agent
  • IVR - Interactive Voice Response
  • KPI - Key Performance Indicator - a metric used to measure performance.

Telecommunications/Technology Glossary Acronyms Abbreviations Dictionary


EDGE  to  KPI

A-D  E-K  L-R  S-Z

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