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5G
The fifth generation of mobile network technology, offering faster speeds, lower latency, and increased connectivity.
5G Fixed Wireless
Internet delivered to a business location through a 5G cellular signal instead of a wired connection. It can serve as a primary connection or a backup during an outage.

A

Auto Attendant
An automated system that answers incoming calls and lets callers choose an option, like pressing a number to reach sales or support, without needing a live receptionist to pick up first.

B

Backhaul
The intermediate link between the core network and smaller subnetworks.
Bandwidth
The maximum rate of data transfer across a network path.
Broadband
High-speed internet access that is always on and faster than dial-up connections.
Broker (Telecom)
An independent company that compares offers from many carriers and internet providers, then helps a business pick the best fit and manage the order. TelcoSolutions works this way, matching clients with providers at no cost to the client.
Business Fiber
A fiber optic internet connection built for companies, offering fast, symmetrical upload and download speeds and more consistent performance than typical home internet plans.

C

Cable Internet
Internet service delivered over the same coaxial cable lines used for cable television, offering high download speeds at a lower cost than fiber in many areas.
Carrier
A company that provides telecommunication services (e.g., AT&T, Verizon, T-Mobile).
CDN (Content Delivery Network)
A geographically distributed network of servers that deliver content faster based on location.
Colocation (Colo)
A facility where telecom companies rent space for servers and network gear in a shared data center.

D

DDoS (Distributed Denial of Service)
A cyberattack that floods a network or service with traffic to overwhelm and disrupt it.
Dedicated Internet Access (DIA)
An internet connection reserved for one business alone, not shared with other customers, which gives more predictable speed and performance than a shared connection.
Demarc
Short for demarcation point, the exact spot where a carrier’s network ends and a building’s own wiring begins. It marks who is responsible for fixing a problem on each side.
DSL (Digital Subscriber Line)
A technology for high-speed internet over traditional telephone lines.

F

Failover
The automatic process of switching to a backup connection or system the moment the main one stops working, so calls and internet stay up with little or no interruption.
Fiber Optics
A technology that transmits data as light pulses through glass or plastic fibers.

H

Hosted PBX
A business phone system where the switching equipment lives in a provider’s data center instead of in an office closet. Calls travel over the internet and features are managed online.

I

IP Telephony (VoIP)
Technology that enables voice communications over the internet.

J

Jitter
The variation in delay between data packets arriving over a network. High jitter can make phone calls sound choppy or robotic even when the overall internet speed seems fine.

L

Latency
The time it takes for data to travel from sender to receiver.

M

MPLS (Multiprotocol Label Switching)
A protocol that directs data across networks using path labels.

P

Packet Loss
When some of the small data packets sent across a network never reach their destination. Even a small amount can cause dropped words on a call or a slow, glitchy connection.
PBX (Private Branch Exchange)
A private telephone system within an organization.
POTS Line
Plain old telephone service, the traditional analog phone line that runs over copper wires. Many carriers are retiring these lines in favor of internet based phone service.
PRI
Primary Rate Interface, a type of phone line that carries multiple voice channels over one connection, commonly used by larger offices before internet based phone systems became common.

Q

QoS
Quality of Service, a network setting that gives priority to time sensitive traffic like voice and video calls so they stay clear even when the network is busy with other data.

S

SD-WAN (Software-Defined WAN)
A software-based approach to managing and optimizing wide area networks.
SIP (Session Initiation Protocol)
A protocol for initiating, maintaining, and terminating real-time communication sessions.
SIP Trunking
A way to connect a business phone system to the phone network over the internet instead of physical phone lines, often replacing older PRI or POTS connections.
SLA
Service Level Agreement, a written promise from a provider about uptime, speed, or repair times, often with credits owed to the customer if the provider fails to meet those numbers.

T

T1
An older type of dedicated phone and data line that delivers 1.544 Mbps of guaranteed, symmetrical bandwidth. Once common for business connections, it has largely been replaced by fiber and cable.

U

UCaaS (Unified Communications as a Service)
A cloud-based platform that provides integrated communication tools like voice, video, and messaging.

V

VoIP
Voice over Internet Protocol, the technology that turns voice into data and sends it over an internet connection instead of traditional phone lines, usually at a lower cost with more features.
VPN (Virtual Private Network)
A secure tunnel through the internet that allows users to access private networks remotely.

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