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Fusion Connect Glossary

Filter Glossary by Alphabet:  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

C

  • CCaaS (Contact Center as a Service)
    CCaaS (Contact Center as a Service) is a cloud-delivered software solution that provides businesses with the technology needed to run a customer contact center.
  • Coaxial Cable (COAX)
    Coaxial Cable (COAX) is a type of copper-based electrical cable designed for the reliable transmission of radio frequency (RF) signals.

D

  • Dedicated Internet Access​
    Dedicated Internet Access (DIA) is a business-grade internet service that delivers a private, point-to-point connection between a customer’s location and the internet, guaranteeing consistent and symmetrical bandwidth.
  • Digital Subscriber Line (DSL)
    Digital Subscriber Line (DSL) is a broadband internet technology that delivers high-speed data over existing copper telephone lines.

E

  • End-to-End Encryption (E2EE)
    End-to-end encryption (E2EE) is a communication security method that encrypts data on the sender’s device and keeps it encrypted until it reaches the intended recipient’s device.

F

  • FCC (Federal Communications Commission)
    The Federal Communications Commission (FCC) is a U.S. government agency tasked with overseeing all interstate and international communications. This includes services delivered by radio, television, satellite, wireline, and wireless networks.
  • Fiber Optic Cable
    A fiber optic cable is a high-speed data transmission medium made up of thin strands of glass or plastic fibers.
  • Firewall
    A firewall is a tool used to filter traffic that moves in and out of a network.
  • Fixed Wireless Internet
    Fixed Wireless Internet is a type of broadband service that delivers internet connectivity using radio signals instead of physical cables.

G

  • Global System for Mobile Communication (GSM)
    Global System for Mobile Communication (GSM) is an international standard for 2G mobile networks, created to establish a consistent framework for mobile voice and data communication.

I

  • IEC (International Electrotechnical Commission)
    The International Electrotechnical Commission (IEC) is a global, non-governmental organization established in 1906 to create and maintain international standards for electrical, electronic, and related technologies.
  • Internet of Things (IoT)
    The Internet of Things (IoT) is a system of interconnected physical devices, machines, and objects embedded with sensors, software, and communication capabilities that allow them to collect, send, and receive data over the internet.
  • Internet Service Provider (ISP)
    An Internet Service Provider (ISP) is a business that enables individuals and organizations to connect to the internet, offering access through a variety of technologies such as broadband, fiber-optic, cable, DSL, satellite, or wireless connections.
  • Intranet
    An intranet is a private, internal network that organizations use to provide employees with access to company information, tools, and communication channels.
  • ISDN (Integrated Services Digital Network)
    ISDN is a telecommunications technology that sends voice, video, and data in digital form over traditional copper telephone lines.

L

  • LAN (Local Area Network)
    A Local Area Network (LAN) is a computer network that interconnects devices—such as computers, servers, printers, phones, and other endpoints—within a restricted geographic area like a single office, building, or group of nearby buildings.

M

  • Managed SD-WAN
    Managed SD-WAN is a managed service where a provider designs, deploys, and operates a software-defined wide area network across all sites.
  • Managed WiFi
    Managed WiFi is a subscription-based service where a business outsources the full lifecycle of its wireless network to a service provider.
  • Mbps (Megabits per second)
    Mbps (Megabits per second) is a standard unit for measuring network bandwidth or internet speed.

N

  • NARUC
    The National Association of Regulatory Utility Commissioners (NARUC) is a nonprofit organization founded in 1889 to represent state regulators who oversee essential utility services such as electricity, natural gas, water, telecommunications, and transportation.
  • Network Service Provider (NSP)
    A Network Service Provider (NSP) is a telecommunications company that supplies the core infrastructure and bandwidth for internet access, voice communications, and data transmission.

O

  • OSP (Operator Service Provider)
    An Operator Service Provider (OSP) is a type of telecommunications provider that facilitates operator-assisted voice services, including collect calls, person-to-person calls, third-party billing, and directory assistance.

P

  • PoE (Power over Ethernet)
    Power over Ethernet (PoE) is a networking technology that enables Ethernet cables to transmit both data and electrical power to remote devices.
  • POTS Line Replacement
    POTS Line Replacement is the process of shifting away from traditional copper-based phone lines, known as Plain Old Telephone Service (POTS), to newer communication technologies.

S

  • SD-WAN
    SD-WAN is a virtual network architecture that allows businesses to manage and route traffic across multiple types of connections—including broadband, LTE, and MPLS—using centralized control and real-time traffic analysis.
  • SIP Trunk
    SIP Trunk (Session Initiation Protocol Trunking) is a service that enables voice communication over the internet by linking a business phone system (PBX) to the Public Switched Telephone Network (PSTN) using IP technology.
  • Starlink Satellite Internet
    Satellite Internet is a method of delivering internet access by using satellites that orbit the Earth.

T

  • TCP/IP (Transmission Control Protocol/Internet Protocol)
    TCP/IP (Transmission Control Protocol/Internet Protocol) is the standard communication framework for connecting devices across networks, including the internet.
  • TCPA (Telephone Consumer Protection Act)
    The Telephone Consumer Protection Act (TCPA), passed in 1991, is a federal law that regulates how businesses can reach consumers through phone calls, text messages, and faxes.
  • TLS (Transport Layer Security)
    Transport Layer Security (TLS) is a cryptographic protocol designed to provide privacy and data integrity between two communicating applications over a network.
  • TRS (Telecommunications Relay Service)
    TRS (Telecommunications Relay Service) is a federally mandated service that supports communication between people with hearing or speech disabilities and those who use standard voice telephones.
  • TTY (Teletype)
    TTY (Teletype), also known as TDD (Telecommunications Device for the Deaf), is a communication tool designed for individuals who are deaf, hard of hearing, or have speech impairments.

U

  • UCaaS (Unified Communications as a Service)
    Unified Communications as a Service (UCaaS) is a cloud-based communication model that integrates multiple communication and collaboration functions into a single, centrally managed platform.

V

  • VoIP (Voice over Internet Protocol)
    VoIP (Voice over Internet Protocol) is a communication technology that transmits voice calls over the internet rather than using traditional analog telephone lines.
  • VPN (Virtual Private Network)
    A Virtual Private Network (VPN) is a technology that establishes a private, encrypted tunnel between a device and a network over a public connection, such as the internet.

W

  • WAN (Wide Area Network)
    A Wide Area Network (WAN) is a telecommunications network that connects devices and locations over a broad geographic area.
  • WISPs (Wireless Internet Service Providers)
    Wireless Internet Service Providers (WISPs) are companies that offer internet access by transmitting data over wireless networks, instead of relying on physical cables like fiber, DSL, or coaxial lines.
  • WLAN (Wireless Local Area Network)
    A Wireless Local Area Network (WLAN) is a type of network that connects devices within a limited geographic area, such as an office, retail store, or healthcare facility, without relying on physical cables.
  • WPAN (Wireless Personal Area Network)
    A Wireless Personal Area Network (WPAN) is a type of wireless network that enables communication among devices located within a very limited area, usually within a range of about 10 meters (30 feet).
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