A phone system you own the exit from

This diagram is a phone system.

Not a screenshot of one. It is the call flow every new Sindria system starts with, in the form the switch reads it — and yours works exactly the same way.

Call flowthe flow every new system starts with
inbound callA call comes in
business hoursAre we open?
voicemailTake a message
No published flow is configured yet, so this is the call flow every new Sindria system begins with — a real one, not an illustration.

You have been offered two bad options

Powerful, and untouchable

Run it yourself and every change is a config file, a reload and a risk. Entirely capable — if you employ somebody who knows how.

Easy, because it is locked

Hosted systems are simple because the useful parts are not yours to change. Anything real means a ticket and a wait.

Sindria is the third one. The software absorbs the expertise instead of exposing it, so you get the control of the first with the calm of the second — and the diagram above is what that looks like in practice.

What you can actually do

Answer calls your way

Hours, menus, ring groups and voicemail, laid out visually. Change it at four on a Friday without asking anybody.

Add somebody in a minute

A name, a job title, a mobile number. They get an extension and a voicemail box the same minute, and the flow above can ring them wherever they are. Desk handsets and the browser phone are still being finished.

See what happened

Your 200 most recent calls, and every change made through the console — including changes made by whoever looks after it for you, with their name on it.

Ask in plain words

Describe the change you want. You are shown exactly what will differ, and nothing is applied until you approve it. Runs on an AI account of your choosing and is billed by them, the same way your calls are.

The part nobody reads until it matters

Connect your own carrier account and the contract stays in your name. We do not resell it, we do not mark it up, and we are not standing between you and it — you type the credentials your carrier gave you and the system registers against them.

Start instead on a number we hand you and that one sits on our account. That is the honest trade for not having to open a carrier account before you can take a call. Porting duty follows the contract either way, so it runs to you directly on the first and through us on the second — and on neither are we the company you have to fight to leave. A company that cannot trap you has to earn the next month instead.

What it costs, with the arithmetic shown

$19 per person, per month

No minimum. No term. No platform fee. What a carrier charges for the calls themselves is on top of this, and we do not mark it up.

Monthly, at four sizes
PeopleSindriaRingCentral, billed annually Sticker plus typical fees
6 $114 $120 ~$161
15 $285 $300 ~$403
30 $570 $600 ~$806
50 $950 $1,000 ~$1,344

Sticker observed directly from RingCentral’s own published order summary, which quotes it “before taxes & fees”. That is their annual rate; month to month they publish $30. The last column adds 34.4% — the gap between quoted seats and the total on a filed reseller quote for a comparable hosted system (City of Oneida, NY; Intermedia Unite; 71 users; June 2025). It is what fees and surcharges typically do to a bill of this kind. It is an estimate, not a quotation from RingCentral, and we have not seen their invoices.

Getting started

  1. Tell us the name of the business, where it is, and pick a password.
  2. Confirm your email — nothing is created until you do.
  3. Add a card. Nothing is built until it clears, and nothing is charged for a machine that does not exist yet.
  4. Your own machine is built, with a number on it — and from there the call flow is yours to draw and to change whenever you like.