The words we use,
in plain English.
The words we use, in plain English.
System & Network
Analog head-end
Why it matters: It's a single point of failure with aging, hard-to-source parts, and the main reason legacy systems get more fragile every year.
API (Application Programming Interface)
A published set of rules that lets two separate software systems, like an intercom platform and an alert platform, exchange data automatically.
Why it matters: A named integration built against a documented API is something a district can verify. A vague "integrates with most systems" claim is not.
IP to the edge
Why it matters: No central box means no single point of failure, and any spot with a network drop can become part of the system, including portables.
Multicast
A network method that sends one audio stream to many endpoints at once, instead of a separate stream to each one.
Why it matters: Multicast is efficient, but plenty of districts won't permit it on their network at all, which is why Kloud-12 uses managed unicast instead.
Off-site backup
Why it matters: Even in a worst case, the system restores from the latest snapshot: schedules, zones, and settings, all of it.
On-premises (on-prem)
Why it matters: A 100% on-premises intercom keeps working when the internet doesn't. Bells ring and pages play with no outside connection at all.
PoE (Power over Ethernet)
Why it matters: One cable per device. No electrician, no outlets to add, no batteries to replace on a ladder.
PoE drop
Why it matters: If a room or hallway can get a PoE drop, it can get a speaker, clock, or display. That's the entire site-survey question.
Public address (PA) system
A one-way audio broadcast system that sends the same message to speakers throughout a building. What most people mean when they say “paging system.”
Why it matters: A PA system is one-way; an intercom is two-way. Confusing the two is the most common reason a quote gets compared against the wrong scope.
QoS (Quality of Service)
Network switch configuration that prioritizes certain traffic types, so audio and paging data move ahead of less time-sensitive traffic.
Why it matters: Without QoS, a page competing with a bandwidth-heavy classroom stream can lag or drop. With it, the announcement plays on time.
Redundant server
Why it matters: Recovery is a switchover measured in minutes, not a rebuild measured in days — and it's our team's job to make the switch, not yours.
Remote diagnostics
Why it matters: Most fixes don't wait for a site visit. They happen the day the issue appears.
Remote monitoring
Why it matters: Problems get spotted while they're small. Most Kloud-12 issues are caught and fixed before a district files a ticket.
Single point of failure
Why it matters: Good system design removes them. That's why modern intercoms push intelligence to the edge and run paired servers instead of one central box.
SIP (Session Initiation Protocol)
Why it matters: If your district's phones speak SIP, they join the intercom system in minutes by registering a second line. Nothing gets replaced.
Structured cabling
The physical network cabling, pulled through walls and ceilings, that connects every PoE- capable device (speakers, clocks, cameras, displays) back to a network switch.
Why it matters: If the cabling isn't there, a PoE drop isn't possible. That's the real cost driver behind new-construction or renovation phases on any intercom quote.
UPS (Uninterruptible Power Supply)
Why it matters: Short outages happen. With UPS backing the servers, the system rides through them.
VLAN (Virtual Local Area Network)
A logically separated segment of a network, used to keep certain traffic, like intercom audio, isolated from the rest of a district’s network.
Why it matters: How paging traffic is VLAN'd affects bandwidth and security, and determines whether multicast is even an option on a given network.
Intercom & Paging
Audio override
Why it matters: The message that must be heard everywhere at once, is — even in a room where someone turned the speaker down.
Bell schedule
Why it matters: A modern system lets staff change schedules in a browser. No proprietary console, no calling the one person who remembers how.
Mass notification
An alert sent simultaneously across every channel a district has (speakers, phones, screens, text, and email) at once, rather than through a single system.
Why it matters: Many districts write a single RFP covering PA, intercom, and mass notification together. Confirm every vendor quoted the same combination.
Paging zone
Why it matters: Zones mean the message reaches exactly who needs it. The bus announcement doesn't interrupt the testing hall.
Silent Panic Alert Technology (SPAT)
A wearable or fixed device that lets staff raise an alert without speaking or drawing attention, notifying designated responders directly.
Why it matters: SPAT raises the alert; it doesn't carry audio. A building still needs an intercom or PA system to get an announcement out once SPAT has been triggered.
SOS platform
Why it matters: A well-designed intercom integrates with the SOS platform a district already owns instead of forcing a replacement, so an alert can trigger campus-wide audio automatically.
Talk-back speaker
Why it matters: One device on one cable covers time, messaging, and two-way voice for a room.
Two-way intercom (push-to-talk)
Why it matters: The front office and the classroom can actually talk, not just broadcast at each other.
Purchasing & Support
Alyssa’s Law
State legislation, enacted in a number of states as of 2026, centered on silent panic alarms that notify law enforcement directly. It generally does not require intercom connectivity.
Why it matters: An intercom can carry a message once an alert is raised, but compliance claims should be checked against your specific state's statute, not assumed.
Bumper-to-bumper warranty
Why it matters: Ten years, every intercom device, no asterisks. Replacements ship pre-programmed for your network, and swapping one is unplugging a cable and plugging in the new device.
E-Rate
A federal funding program that pays for network infrastructure (cabling, PoE switches, routers, and wireless access points) but not intercom hardware or software itself.
Why it matters: Districts often braid funding: E-Rate for the network backbone, a separate capital or grant source for the endpoints. Confirm which category any quoted item actually falls into.
End of life (EOL)
The point when a manufacturer stops making a part or supporting a piece of software. It arrives in two stages: parts stop being made, then existing stock runs out.
Why it matters: Equipment can be physically fine and still unusable once software EOL means it no longer works with a current browser, OS, or security policy.
License fees
Why it matters: Over ten years they can quietly exceed the original hardware cost. Kloud-12 charges none, ever.
Perpetual license
Why it matters: No annual renewal, no fee that grows, no software that stops working because a payment lapsed.
Proactive support
Why it matters: It's the difference between filing tickets and forgetting you own the system. Most warranty work should happen before you'd have called.
Request for Proposal (RFP)
A district’s formal document inviting vendors to bid on a project, specifying the scope to be priced.
Why it matters: Many RFPs bundle PA, intercom, mass notification, clocks, and bells into one request. Confirm every vendor priced the same combination before comparing numbers.
Total cost of ownership (TCO)
The purchase price plus everything spent across the life of the equipment: cabling, training, licenses, update subscriptions, support agreements, out-of-warranty repairs, and later-phase endpoints.
Why it matters: The lowest number on the front page of a quote is rarely the lowest TCO. Ten years is long enough for recurring fees to overtake a difference in purchase price.
Classroom Technology
360° classroom camera
Why it matters: The whole room in one view, built for teacher self-reflection and coaching. Nothing staged and nothing missed.
Auto-pairing / auto-mute
Why it matters: No setup ritual before first period, and hallway conversations stay in the hallway.
Digital signage
Why it matters: Messages reach the people walking past, in the school's own branding, updated from one dashboard.
Digital-infrared audio
Why it matters: Infrared doesn't pass through walls, so room 104's lesson physically cannot play in room 106, and there are no channels to manage.
NDAA compliant
Why it matters: For districts, NDAA compliance keeps camera purchases eligible for federal funding and off the prohibited-equipment list.
PLC (Professional Learning Community)
Why it matters: Classroom video gives a PLC something concrete to review: the same real moment, seen together.
Synchronized clocks
Why it matters: Every clock agrees with every bell, because the same server runs both. Nobody resets clocks after a power blip.
Voice amplification
Why it matters: The back row hears what the front row hears, and the teacher's voice survives sixth period.