Business Phones Done Right!

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Telecom Terms, Explained

Every phone-industry acronym and piece of jargon, in plain English — because we find them annoying too.

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10DLC — 10-Digit Long Code

It used to be the Wild West for businesses texting customers — no rules, lots of spam, carriers started blocking messages nobody could predict. 10DLC is the cleanup. It's a registered lane for business texting so your messages actually get delivered and don't land in spam.

Here's the deal: if you want to send texts from a regular 10-digit business number (the kind that looks like `(845) 555-1234`), you have to register your business and what you're going to text about. Once you're registered on 10DLC, the carriers — Verizon, AT&T, T-Mobile — trust your number and let your messages through. Without it, your texts get throttled or blocked.

Skytek handles the 10DLC registration for you. We fill out the paperwork, submit it to the carriers, and get your number approved. You just text.

A

AA — Auto Attendant

"Thanks for calling Skytek Tel. Press 1 for sales, press 2 for support, press 0 for the operator."

That's an auto attendant. A recorded voice that answers the phone and lets the caller pick where they want to go, without a human having to pick up. Small and medium businesses love them because one person can't always be at the front desk — the auto attendant takes over, routes the call to the right team, and nobody gets the ring-until-voicemail experience.

Skytek takes it a step further with a Visual Auto Attendant — you literally draw the call flow on a screen (drag a box, drop a box, connect the arrows) instead of fighting with a phone keypad in some admin portal.

AI — Artificial Intelligence

Software that learns from data and does things that used to need a human — reading an email and summarizing it, listening to a call and writing the notes, figuring out if a customer sounds upset. It's not magic, it's just very good pattern-matching at massive scale.

Skytek uses AI all over the platform: transcribing voicemails, drafting ticket replies, suggesting the next action, routing calls based on what the caller needs. We don't bolt AI on as a buzzword — we pick the spots where it actually saves you time.

API — Application Programming Interface

An API is how two pieces of software talk to each other. Think of it like a menu at a restaurant — the menu lists what you can order, and the kitchen knows how to make it. The software on your end orders off the menu, and the software on the other end cooks it up.

Why it matters: Skytek Desk is built on top of SkySwitch's API. Every phone call, every ring, every transfer — our software talks to SkySwitch's phone platform through their API to make it all work together. That's the whole reason Desk exists as an integrated product instead of a bunch of tools duct-taped together.

C

CCaaS — Contact Center as a Service

See also: Contact Center.

A Contact Center handles more than just phone calls — it handles texts, emails, web chats, and social messages, all in one place, all routed to the right agent. "as a Service" just means you don't install it on your own servers; you log in through a browser.

Skytek's Contact Center product is our answer for businesses that deal with customers across every channel and don't want to juggle five different apps to keep up.

Call Park

Imagine a hotel lobby with numbered parking spots. Someone drops a call off in "spot 701" — now any other phone in the company can grab it by dialing 701. The caller just hears hold music until somebody picks up.

It's more flexible than a transfer — you don't need to know who's going to take the call next. Useful when a receptionist takes a call for whoever's available, or when you're moving between rooms and want to pick up on a different phone.

Call Queue

The same idea as a line at the bank — when more callers are waiting than people to answer, they line up and get handled one at a time. Hold music plays while they wait, and as soon as an agent is free, the next caller goes through.

A call queue is the difference between a busy company that feels professional and one that feels chaotic. Skytek's queues let you set who's in the pool of agents, what hold music plays, how long before a caller can press 0 to leave a voicemail, and how the call gets routed if nobody's available.

Call Transfer

Passing a call from one person to another. Your receptionist answers, says "let me send you to billing," and sends the call over. That's a transfer.

There are two flavors: a cold transfer just sends the call through, and a warm transfer lets you talk to the other person first ("I've got a customer asking about their invoice, OK to send them over?") before completing the handoff.

Conferencing

Three or more people on one call. Could be two of your employees plus a customer, could be a team meeting, could be a board call with thirty people.

Skytek gives you built-in conference rooms — each user gets a permanent conference number, or you can create one-off rooms on the fly. No dial-in PINs to remember, no separate app to install.

ConnectUC — Skytek's Mobile & Desktop App

ConnectUC is the app you put on your phone or laptop that turns it into one of your office extensions. Take the app home, take it on vacation, take it to a conference — your office number rings your pocket, and when you dial out it shows the business number on the other end's caller ID.

"UC" stands for Unified Communications — a fancy way of saying "calls, texts, meetings, and chat all in one app." That's exactly what it does.

Contact Center

When your customers reach you through more than just the phone — texts, emails, live chat on your website, social messages — a Contact Center is the tool that pulls all of those channels into a single queue and sends them to the right agent.

Think of a regular PBX as answering phones, and a Contact Center as answering everything. Skytek offers it as an add-on for businesses that need the full customer-communication hub.

CRM — Customer Relationship Manager

It's where you keep track of every customer — their name, their phone number, every call they made to you, every email they sent, what they bought, what they complained about. Salesforce and HubSpot are the big names in the space.

Most phone systems don't have a CRM built in — you have to buy one separately and then pay someone to link the two together. Skytek Desk has a full CRM built in. When a customer calls, you see their entire history on the screen before you say hello. No extra software, no duct tape.

D

Deskphone

The physical phone that sits on your desk. The plastic thing with buttons. Same idea as always, just upgraded — these days it plugs into the internet instead of a phone jack, and it can do a lot more (HD audio, a screen, BLF buttons for your teammates).

Skytek supports every major brand — Yealink, Polycom, Cisco, Grandstream. Some customers prefer a physical phone on the desk, some prefer a softphone on their laptop, most use both. It all works the same way.

DID — Direct Inward Dial

The phone number that rings someone's specific extension instead of the main line. If your main number is `(845) 555-1000` but everyone in your office also has a personal number like `(845) 555-1042` that rings only their desk — that's a DID.

Skytek gives you as many DIDs as you want for your team so customers can reach the right person directly instead of getting bounced through the front desk.

E

eFax — Electronic Fax

Faxing without a fax machine. You get a fax number, faxes come in as PDF attachments to an email or a web dashboard, and when you need to send one you upload a document and hit go. No paper, no toner, no machine that jams at 4pm every Friday.

Faxing isn't dead — healthcare, law, insurance, and government all still require it. Skytek includes eFax so you never need to keep a fax machine alive just for one form a year.

Extension

A short number (usually 3 or 4 digits) that represents one user or one phone inside your company. Type `101` from another company phone and Joe's phone rings. Type `102`, Mary's phone rings. It's like a zip code but for your office phones.

Every person gets one. Every conference room can get one. Every fax line can get one. Extensions are how the PBX knows who's who.

H

HIPAA — Health Insurance Portability and Accountability Act

The federal law that protects a patient's medical information. If you work in healthcare, you have to keep that data secure — including every voicemail, text message, and recorded call that mentions a patient.

Skytek's platform is HIPAA-compliant, meaning our phone calls, texts, and voicemails are encrypted and stored in a way that meets the law. Doctors, therapists, dentists, medical billing companies — we handle your phones without putting your compliance at risk.

I

IVR — Interactive Voice Response

See also: Auto Attendant.

IVR is the technical name for an auto attendant with branching logic. Instead of just "press 1 for sales, press 2 for support," an IVR might ask "what's your account number?" and then route you differently based on what you typed.

Skytek's Visual Auto Attendant is our IVR — drag-and-drop the flow instead of writing code to build it.

M

MMS — Multimedia Messaging Service

See also: SMS.

SMS is plain text. MMS is texts with pictures, videos, audio clips, or longer messages. Same phone number, same inbox, just richer content.

Your customer texts you a picture of a broken part? That's MMS. You text them a PDF receipt? That's MMS. Skytek supports both inbound and outbound MMS on every business number.

MoH — Music on Hold

The music (or announcements, or silence) your customers hear when you put them on hold or they wait in a call queue. The good kind keeps them calm and informed. The bad kind makes them hang up.

Skytek lets you upload your own music, record your own announcements ("did you know we also do XYZ?"), or generate voice announcements with text-to-speech — no studio, no voice actor, just type and save.

P

PBX — Private Branch Exchange

Think about your local phone carrier — say, Frontier, which handles Orange County and Middletown. Every call coming in or going out of the area goes through Frontier's system. They route every call to the right customer. They hand out phone numbers. They keep it all running.

A PBX is the exact same thing — but just for your business. It's your company's own internal switchboard. A call comes in, the PBX decides: who rings, who it transfers to, what greeting plays, whether it goes to voicemail. It's a private mini phone carrier inside your office.

The difference between phone systems is almost entirely the software running the PBX. That's where Skytek stands out — we've built what we believe is the best PBX software on the planet. Underneath it, we run on SkySwitch, the biggest and strongest carrier backend in the country, always innovating and rock-solid reliable. We picked SkySwitch on purpose — we don't want to be up at 3am because a server had a hiccup. We let top engineers handle the infrastructure so our customers get gold-standard reliability.

On top of that platform, we've built Skytek Desk — everything a business needs around the phone system (CRM, tickets, messaging, sales, finance), all connected through SkySwitch's API. Twenty-plus years of development experience went into that.

R

Ring Group

A bunch of phones that all ring at the same time (or one after another) when a call comes in. "Ring everyone in the sales department" — that's a ring group.

Useful when you don't care which specific person answers, as long as somebody does. Skytek lets you build ring groups by department, by location, by shift — any way you want to organize who picks up.

S

SIP Trunk — Session Initiation Protocol Trunk

The old word for the bundle of physical wires connecting your business phone system to the outside world was a "trunk line." A SIP trunk is the modern version — a virtual trunk line that uses the internet instead of copper. See: VoIP.

When a call comes into your office number, it arrives over a SIP trunk. When someone dials out from your office, it leaves over a SIP trunk. You can buy one, two, or a hundred trunks depending on how many calls you need to handle at once.

Skytek bundles trunks into our service — you don't need to think about them. Just tell us how many simultaneous calls you need to handle.

SkySwitch

SkySwitch is the carrier backend Skytek runs on. They're one of the biggest and strongest wholesale phone platforms in the country — the kind of infrastructure that handles millions of calls a day and stays up through everything.

We picked SkySwitch on purpose. Running your own phone infrastructure sounds great until a server hiccups at 3am and thirty customers can't make calls. SkySwitch has top-notch engineers working on that 24/7 so we don't have to. It's a bit more expensive than rolling our own, but reliability is the gold standard for business phones — and our customers feel the difference.

On top of SkySwitch's platform, we built Skytek Desk through their API — that's how everything in the platform (calls, texts, voicemails) stays in sync.

SMS — Short Message Service

Plain-text messages to a phone number. The same "texting" everyone does on their cell phone — but from your business number, sent and received on your computer, tablet, deskphone, or mobile app.

Your customers already text. They prefer it over phone calls for quick questions. Skytek's SMS turns your business number into a full texting inbox — two-way conversations, shared between team members so nothing gets missed. And yes, texts from a business number are subject to 10DLC rules.

Softphone

A phone that lives inside a piece of software — an app on your computer, tablet, or cell phone — instead of as a physical device on your desk. Plug in a headset and you're making calls from your laptop just like from a desk phone.

ConnectUC is Skytek's softphone. Works anywhere you have internet. Take the same business line with you to a coffee shop, a client site, or your couch — same number, same voicemail, same everything.

STIR/SHAKEN

A nationwide anti-spam system for phone calls. It stamps every call with a proof of who it's really coming from, so the carriers can catch spoofed numbers (scam calls pretending to be from your bank or the IRS).

If your business is making legitimate outbound calls, STIR/SHAKEN makes sure your number shows up clean on the other end instead of flagged as "Potential Spam." Skytek handles this automatically on every call we route.

STT — Speech-to-Text

Software that listens to a voice recording and writes out what was said. Same technology as when you ask Siri a question or dictate a text message — just pointed at phone calls and voicemails.

Skytek uses STT to transcribe your voicemails (read them instead of listening), turn call recordings into searchable transcripts, and let AI analyze what was said in a call. We use Deepgram, one of the best STT engines on the planet.

Skytek Desk

Skytek Desk is our main product — everything a business needs around the phone system, built into one platform. Phone calls, texts, voicemails, customer records, tickets, sales pipeline, invoicing, and reports all live together.

Most businesses have a phone system from one vendor, a CRM from another, a help desk from a third, and an invoicing tool from a fourth — and then pay someone to try to connect them. Skytek Desk is what happens when you build all of those pieces around the phone system from day one, using SkySwitch's API so every call, text, and voicemail is already tied to the right customer.

Twenty-plus years of development experience went into this. It's not a bolt-on — it's the core product.

T

TTS — Text-to-Speech

The opposite of STT — software that reads text out loud in a natural-sounding voice. Type "Thanks for calling Skytek. Our hours are 9 to 5, Monday through Friday" — TTS turns it into a professional recording without you picking up a microphone.

Skytek uses TTS for greetings, auto attendant menus, on-hold announcements, and hold-music tags. Change the wording, click save, the new recording is live in seconds.

U

UC / UCaaS — Unified Communications (as a Service)

"Unified Communications" means one platform where calls, texts, video meetings, and team chat all live together instead of being four separate apps. "as a Service" just means you access it over the internet instead of installing it on a server in your office.

Skytek is a UCaaS platform. Your phones, your texts, your voicemails, your conferences, your mobile app — one login, one bill, one system.

V

VAA — Visual Auto Attendant

See also: Auto Attendant, IVR.

Skytek's Visual Auto Attendant is a drag-and-drop screen where you literally draw your phone system's call flow. Drop a "greeting" box, connect it to a "menu" box, connect that to "ring sales" or "voicemail." No code, no admin portal, no calling tech support to change the greeting.

Most phone systems make this the most painful part. We made it the easiest.

VoIP — Voice Over Internet Protocol

Old phones used copper wires. Two little colored wires per phone. For your office to make a call, a bundle of those wires had to run all the way to the switch center at your local phone carrier. That's how phones worked for a hundred years.

Today, instead of copper wires running to the carrier's switch center, your phone just connects to the internet — and the call reaches the carrier over the internet instead of over wires. That's it. That's VoIP. "Voice Over Internet Protocol" — a fancy way of saying "phone calls over the internet."

This isn't some futuristic tech. It's how Verizon and Spectrum run their home phone service today. The old copper is gone. The internet does the same job, cheaper and better.

Voicemail

If the person doesn't pick up, the caller leaves a recorded message. Everybody knows what voicemail is — the question is what happens next.

Skytek's voicemail doesn't just sit there waiting to be listened to. Every voicemail is transcribed to text so you can read it in a second, emailed to you as an audio file, and attached to the caller's record in your CRM so you never wonder who left it or when. You can even set different voicemail greetings for business hours, after hours, and holidays automatically.

W

WebChat

The little "Chat with us" bubble in the corner of a business's website. Customer types a question, one of your team answers, conversation over — no phone call, no email, no ticket opened somewhere the customer can't see.

Skytek's WebChat is tied into the same agent inbox as your texts, emails, and calls. Your team doesn't need a separate "chat app" — a web chat shows up the same way a text message does, gets answered the same way, and is saved to the customer's record like everything else.

Still not sure?

If a term you saw on the site isn't here, reach out to us — we'll add it and explain it. We hate jargon too.