Get local, national and international numbers directly online.
Any SIP handset · any IT partner · connected in minutes

Buy whatever handset you like. You or your IT partner connect it.

We do not sell hardware, rent hardware, or lock you to a brand. Order the desk phone you want through your own IT partner or supplier, create a VoIP account in the dashboard, enter the credentials on the handset, and it is live on your business number. Your IT partner can do the whole thing without involving us — and if you already have handsets from a previous provider, in most cases they will work too.

  • Any SIP brand Ubiquiti, Yealink, Snom, Gigaset, Cisco — if it speaks SIP, it works
  • Any IT partner your own supplier orders, installs and supports it; we stay out of the middle
  • Minutes from unboxing to taking a call, once the handset is on the desk
  • No rental you own the handset, so it stays yours if you ever leave

Prefer to listen? Audio guide · spoken by a person

0:00 0:00

Transcript

The desk phone is one of the endpoints of our platform: you choose the brand and model that suits your office yourself and link it to your business number via the dashboard.

Our system works with every brand and type that supports the VoIP protocol, so you’re never tied to a single manufacturer.

You simply buy the device from your own IT supplier or a regular online shop. That way you compare prices and delivery times yourself and aren’t tied to one supplier or to a wait for delivery.

Connecting it is done in a few minutes. You create a VoIP account in your dashboard, enter the VoIP credentials on the device, and it registers on our platform, ready for incoming and outgoing calls.

A desk phone stays logged in as long as it’s switched on. Incoming calls come in over the internet, so you can connect your desk phone at any location you like: at home, at the office or at a flexible workspace.

We recommend the Ubiquiti and Yealink brands. The Ubiquiti UniFi Talk Touch is operated via a large touchscreen, has a sturdy polycarbonate housing, and you carry out firmware updates straight from the screen, which keeps security easily up to date.

The desk phone is just one part of your phone system, which you freely combine with a softphone, a fixed number on mobile or a voicebot. Under one business number you let several devices ring at the same time or in sequence, and you adjust that setup at any time from the dashboard.

And you don’t have to start with a desk phone right away. You can of course first link your existing mobile numbers to your business number, so you can get going immediately, and upgrade to a desk phone later. That’s how many users start, so you know you can always grow flexibly.

Request your number and we’ll get to work for you.

Why this page is short

There is not much to it, and that is the point

Most providers make the handset part of the deal: their model, their markup, their rental agreement, and a contract that gets awkward if you leave. We are not in the hardware business.

Any brand

If it speaks SIP, it works

Our platform talks the standard SIP protocol, so it does not care who made your handset. Ubiquiti, Yealink, Snom, Gigaset, Cisco — one handset on reception or forty across three sites, it makes no difference to us.

No certified-hardware list. No "supported devices" page to check before you buy.

Any IT partner

Your supplier stays your supplier

The partner who already handles your switches, workstations and network can order the handsets, rack them, configure them and support them. We do not ask to be inserted into that relationship, and we do not charge you for the privilege of them doing their job.

For most businesses, phones are the logical thing to add to an order that already exists.

Bring your own

Your old handsets probably still work

Switching from another provider does not mean binning the hardware. Any SIP-compatible handset can register with us, whoever it was bought from and whoever it was pointed at before. You reconfigure, you do not replace.

Worth checking before you budget for new hardware — it is often the largest line item in a switch.

Connecting one

Four steps, and one of them is waiting for the post

Once the handset is on the desk, the rest takes about as long as setting up a printer. There is nothing to install on your network and nothing for us to ship you.

  1. 01

    Buy the handset

    From your IT partner or supplier. If you already have SIP handsets, skip this step entirely — you are starting at step two.

  2. 02

    Create a VoIP account

    In your CallFactory dashboard, add a VoIP user for the workstation. This generates the SIP credentials shown on the right.

  3. 03

    Enter them on the handset

    Through the handset’s own screen menu, or its web interface if you would rather do it from a laptop. Four fields.

  4. 04

    It registers, and it rings

    The handset connects to our platform and is immediately ready for inbound and outbound calls on your business number. No callback to support, no provisioning window.

VoIP account · Reception Registered
SIP username
1042-reception
Password
••••••••••••
Server
sip.callfactory.co.uk
Port · transport
5060 · TLS

These four fields are the whole configuration. Add as many VoIP accounts as you have workstations — there is no per-device provisioning step and no charge for an extra account.

Worth knowing before you buy one

A desk phone is an internet endpoint. Do not let it be your only one.

We would rather say this plainly than let you find out during an outage. A SIP handset reaches us over your office internet connection. If that connection goes down, that handset stops ringing — and this is true of every VoIP desk phone from every provider, ours included.

Which is why your number should never point at a single endpoint. Ring the desk phone and a mobile together, or fall back to the mobile when the handset does not answer. The mobile arrives over the phone network and does not care what your router is doing.

Office hours

Desk phone and softphone

Both ring at once. Whoever is at their desk or on their laptop picks up first.

ring: desk + softphone, 20s

After six

The mobile on call

The call falls back to whoever is on duty, over the mobile network rather than your office broadband.

then: mobile of the duty phone

Overnight

A voicebot

It answers, works out whether it is urgent, and either passes it on or takes a message for the morning.

else: voicebot → urgent? → call out

one business number · three endpoints · changed from the dashboard whenever the pattern changes

If you want a recommendation

Ubiquiti UniFi Talk Touch, or Yealink

We have no commercial reason to prefer either — we do not sell them. These are simply the two that cause our support team the fewest problems.

  • A touchscreen anyone can use

    Large screen, plain menus. Staff who would rather not think about a phone can use it without being shown how, which matters more than any spec sheet line.

  • A polycarbonate case

    Rather than the standard plastic. It feels more solid on the desk and survives being knocked about for longer than the cheap end of the market.

  • Firmware updates from the screen

    Run a security update from the handset’s own menu, without anyone having to pick it up, open a web interface or remember it exists.

The other one

Yealink

Our customers’ most popular brand for years, and it behaves impeccably on our platform. Which of the two you pick usually comes down to what your IT partner stocks and how you want the desk to look.

Where they work

The handset does not need to be near the number

Each phone registers with our platform over the internet, so within the UK it makes no practical difference where the handset physically sits. Across borders there is a regulatory layer as well as a technical one — see the third card.

At home

A colleague’s spare room

A handset on a home desk behaves exactly like one at head office. Same number, same extension, same routing — and nothing for them to configure on their own broadband.

Head office

One site or several

Reception, the sales floor, a meeting room. Accounts are managed centrally from the dashboard even when the handsets were bought from different suppliers at different times.

Another country

Ask before you plan it

Technically a handset registers from anywhere. Legally it is not that simple: several countries require the user of a number to be located in-country, and the rules differ per market. We hold operator licences in 15 of them, so ask us first and you will get a straight answer about what is actually allowed.

Where it rings

Answer on what you have, or on what we give you

Calls always arrive on a phone — your mobile, a landline, a desk handset. What changes is how you steer them, and how much you want to steer. The desk phone is one of these, not a decision that rules out the rest.

Our app

The control, not the call. Set yourself available or unavailable and send today’s calls elsewhere from your pocket — the call itself still arrives on your mobile as an ordinary call.

See how it works

Softphone

The same business line on a laptop or desktop. Usually alongside a desk phone rather than instead of one — both ring and you answer on whichever you are nearest.

See how it works

Fixed on mobile

Business calls on a personal mobile without giving out the personal number, over the mobile network rather than the internet. The right fallback for field staff and for outages.

See how it works

AI voicebot

An agent answers, asks the right questions, books or triages, and hands anything unusual straight to a person. Most often switched on for evenings and weekends first.

See how it works

Web interface

Where destinations, opening hours, voicemail and routing actually get changed. The layer above all the handsets rather than another place to answer a call.

See how it works

Team dashboard

Who is free, who is mid-call, and where each number currently points. Useful the moment more than about three people share a line.

See how it works
Every feature of the phone system — routing, queues, menus, recording, voicemail, call insights — comes with the number itself, whichever endpoints you end up using. See all features →
Questions

Desk phones — frequently asked questions

Through your own IT partner or supplier. Any brand that supports SIP works with our system, so they can source whatever they already stock and support. We suggest Ubiquiti UniFi Talk Touch or Yealink because they cause the fewest support calls, but nothing stops you buying something else.

Yes. A SIP handset registers with our platform over your internet connection, so your broadband provider and whatever contract you have with BT, Virgin Media or anyone else are irrelevant to it. Nothing needs to change on your side and nothing needs to be enabled on theirs.

In most cases, yes. Any SIP-compatible handset can register with us, whoever it was bought from and whoever it was pointed at before. You or your IT partner create a VoIP account in the dashboard, enter the four SIP fields on the handset, and it is live on your number. The one thing to check is that the previous provider has not locked the handset to their own provisioning server, which is rare but worth a look before you budget for anything new.

Once it is on the desk, minutes. Create a VoIP account in the dashboard, enter the username, password, server and port on the handset, and it registers straight away. There is no provisioning window and nobody at our end has to do anything. The only real wait is the delivery of the handset itself.

The desk phone stops ringing, because it reaches us over that connection, and this is true of every VoIP handset from every provider. Which is why the number should never point at a single endpoint: ring the desk phone and a mobile together, or fall back to the mobile when the handset does not answer. The mobile arrives over the phone network and keeps ringing while the office broadband is out.

Yes, and it is the usual setup. Under one business number you can ring a desk phone, a softphone and a mobile all at once or one after the other, with your own order and ring times. Whoever picks up first takes the call and the rest stop ringing. You change the pattern from the dashboard whenever it needs to change.

Technically a handset registers from anywhere with an internet connection. Legally it is not that simple: several countries require the user of a number to be located in-country, and the rules differ per market. We are a licensed operator in 15 countries, so ask us before planning it and you will get a straight answer about what is actually allowed for the number you have in mind.

Yes. Your IT partner can order the handsets, create the VoIP accounts and configure the routing without involving us, and plenty of them do exactly that on their clients’ dashboards.

Start with the number. Add handsets when you actually need them.

Plenty of businesses point the number at a mobile on day one and buy their first desk phone months later. Nothing about the setup has to change when they do — same number, same dashboard, one more endpoint.

Get your number

Rather talk it through first?

Our team helps you with numbers and voicebots in each of our countries. Call us or use the contact form.

To the contact form → Reply within one day
Or call us
European Union GDPR-compliant · data in the EU
Map of Europe showing the countries where CallFactory supplies numbers Numbers in 14 European countries + US