Desk phone
A desk phone is one of the possible endpoints in our phone system, alongside a fixed number on mobile, a softphone or a voicebot. You choose the brand and model that suits your office, order it from your IT supplier or any online retailer, and connect the handset to your CallFactory number via the dashboard.
- Works seamlessly with any phone provider
- Reliable on your own office network
- Just plug in and start taking calls

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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.
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How desk phones work with CallFactory
See how to connect a compatible VoIP desk phone, assign it to your business number, and manage calls from your CallFactory account.
Benefits of a desk phone
Why a physical handset on the desk still makes sense, even in a hybrid system where softphones and mobile phones already cover most needs.
Always reachable
A desk phone stays logged in as long as it is switched on, so incoming calls arrive reliably without depending on a background app that might be closed.
Buy it yourself, connect it yourself
You purchase the handset from your own IT supplier or any online retailer and connect it via our dashboard, so you are not tied to a single vendor or a delivery wait.
Works with any provider
It does not matter who your current provider is, such as BT or Virgin Media — your desk phone integrates with our platform without needing changes to your existing setup or contract.
Simple setup for professional communication

Get a phone
Order a Ubiquiti or Yealink VoIP phone from any webshop or trusted supplier you prefer.

Create account
Log in to your CallFactory dashboard and set up a new VoIP user for desk calling.

Enter credentials
Add the SIP login details from your dashboard into the VoIP phone settings during device setup.

Start calling
Your phone connects securely to our platform and is ready for inbound and outbound calls.
Compatible with any SIP handset
The CallFactory phone system works with any brand and type of VoIP handset that supports the SIP protocol, so you are not locked into a single hardware maker. That applies whether you have multiple desk phones in an office setup, a single handset at a home working space, or a mix of both.
Use whatever suits your business:
- a VoIP desk phone for traditional office workplaces,
- a softphone on a laptop or desktop,
- a fixed number on mobile for staff who are out and about,
- or a voicebot that handles calls outside office hours.
Already have VoIP handsets from a previous provider? In most cases you can keep using them, because any SIP-compatible handset can connect to our system. You do not need to replace everything at once when you switch.
Buy your own handset and connect it yourself
You purchase desk phones directly from your IT supplier or any online retailer. That way you choose the brand and model that fits your office, compare prices and delivery times, and keep your relationship with your IT partner on your own terms. For businesses that already have an IT supplier for network equipment and workstations, that is often the logical place to order phones as well.
Once the handset arrives at the office, create a VoIP account in your CallFactory dashboard. You get SIP login details that you enter into the handset via its screen menu or web interface, then the device connects to our platform and is ready to call immediately. You can activate a new workstation in minutes without waiting for shipping or pre-configuration from a provider.
This approach works just as well for a single handset at a home office as it does for dozens spread across several locations. You manage all accounts centrally from your dashboard, even when the handsets were purchased from different retailers.
Ubiquiti UniFi Talk Touch — our recommendation
The Ubiquiti UniFi Talk Touch G3 and later are the latest generation of desk phones from this American brand, and a strong choice for many businesses. Ubiquiti makes well-known network equipment like access points and switches and brings that same design philosophy to their VoIP handsets.
A few ways these handsets stand out:
- Easy to use. Operation is via a large touchscreen with clear menus, so staff without technical knowledge can use the handset straight away.
- Polycarbonate case. Instead of standard plastic, Ubiquiti uses polycarbonate, which feels more solid and lasts longer than cheaper materials you see in many other brands.
- Firmware updates from the screen. You run security updates directly from the handset’s screen menu, so the firmware stays current without anyone needing to pick up or open the handset.
That last point makes these handsets noticeably more secure in practice. VoIP handsets that run old firmware for years are a known risk on business networks because security holes that newer versions already fixed stay open. When an update can run straight from the screen menu, the chance that it actually happens is much higher.
Besides Ubiquiti, our system also works very well with Yealink, which has been one of the most popular brands with our customers for years. Which brand you choose mostly depends on what your IT supplier recommends and the look you want for your office.
One endpoint in a hybrid phone system
The desk phone is one of the endpoints in the CallFactory system, alongside a fixed number on mobile, a softphone on your computer and automated endpoints such as a voicebot or a selection menu. You mix these endpoints freely, with one business number ringing multiple handsets at the same time or in sequence.
A typical setup looks like this: during office hours the desk phone and a softphone on the laptop ring at the same time, then outside office hours the call falls back to the mobile number of the staff member on call, and at night a voicebot answers to identify urgent matters and pass them on. You adjust this setup from your dashboard at any moment, even as your team grows or the way you work changes.
That means the desk phone is not a choice you make once and stick with, but a component that can move with how your business operates. Start with one handset on reception, add softphones for the sales team later, connect mobile phones for field staff, and switch on a voicebot once call volume justifies it. Everything runs under the same business number and the same dashboard.
Desk phones in the office, at home or internationally
Whether your team works from one head office, from home addresses or spread across international locations, each desk phone registers with our platform over the internet, so the physical location of the handset makes no difference to how reachable you are under your business number.
Explore other phone system components
Mix and match desk phones, softphones, mobile forwarding, dashboards, and web tools to build the setup that fits your team.
Your business line, on any laptop or desktop
Place and receive business calls directly from your computer, no hardware required. Same number, same identity, wherever your team is working from, with flexible call access across every location and device.
- Keeps a consistent business identity across locations
- Make and take calls from laptop or desktop
- Perfect for remote and hybrid teams

Softphone setup
- Can be combined with desk phones
- Works with your business number
- Runs on Mac and Windows
Control your full phone system in browser
The online control layer for your business telephony. Change destinations, update routing, manage opening hours, and review activity from one clean dashboard, without waiting for external technical support.
- Update destinations and forwarding rules in seconds
- Manage opening hours, holidays and voicemail
- Review call activity from any device
Web interface setup
- Manage routing and destinations
- Configure opening hours and holidays
- Update settings from anywhere
Shared visibility & call handling for teams
A coordinated view of your team's availability and incoming calls. Route conversations to the right person, share workloads, and keep customers from waiting, even when several people share the same number.
- See who is available and who is on a call
- Route incoming calls to the right team member
- Support shared queues and team workflows
Team dashboard setup
- Live availability per team member
- Shared queues and overflow rules
- Smart routing to the right person
Your business number, on your mobile
Stay reachable on your business line wherever you go. Calls behave like fixed business calls, even on the move, so customers always reach the right person while your private number stays protected.
- Receive business calls on your mobile
- Great for field teams and people on the move
- Keeps your private number private

Fixed on mobile setup
- Can be combined with other devices
- Stay reachable away from the desk
- Works with your business number
Powerful features included
Every Callfactory phone system comes loaded with intelligent features that give you greater control, flexibility, and peace of mind — right from day one.
API integrations
Tell us what you need, we build the endpoints. Our private API lets you integrate CallFactory telephony into your own software — no generic library, no guesswork, no wasted development time.
Calendar-based call routing
Automatically route calls based on your schedule. Office hours, rotating shifts, holidays, and on-call rosters — calls always reach the right person at the right time.
Call filter
Block unwanted callers, allow only authorised numbers, or reroute specific callers to different destinations. The call filter keeps your business lines open for the calls that matter.
Call forwarding
Forward incoming calls to any landline, mobile, or team. Set rules based on time and availability — manage everything from your dashboard.
Call insights
Track call performance with clear data, so you see straightaway from your dashboard who called, when, how long and where calls were routed.
Call notes
Capture every insight from every call. Add notes directly in your dashboard to keep follow-ups, customer requests, and action points in one place.
Call queue system
Every business has peak times when all lines are busy at once. The queue holds those callers with music or a message and connects them automatically to the next available team member, so you never …
Call recording
Automatically record incoming business calls, so you can listen through the dashboard, download them and use them for training, quality monitoring and compliance.
Change call destinations
Route calls to any device (mobile, landline, or VoIP), change destinations anytime from your dashboard, add as many extensions as you need, and route calls to colleagues worldwide.
Custom solutions
Our flexible IVR platform allows us to build powerful, custom solutions tailored to your business operations.
Custom telephony
Incident hotlines, automated order lines, SMS confirmations, self-service systems — if you can describe it, we can build it on our IVR platform.
Dedicated IVR servers
Your own IVR server with complete control. Build custom telephony applications, connect AI platforms, and scale from 4 to 200+ channels. The natural upgrade from our private API when you need more.
DenyList routing
Maintain a list of blocked telephone numbers that are automatically prevented from reaching your team. Request a block and it takes effect in seconds—temporarily or permanently.
File-based routing
Upload a CSV, TXT or JSON file to update call routing in bulk, changing hundreds of rules at once for PIN codes, allowlists, denylists, area codes or complete IVR flows.
GitHub routing
Manage call routing from your GitHub repository. Push a routing file, and CallFactory fetches, validates, and applies the changes automatically — with full version history and instant rollback.
International phone numbers
Get local phone numbers in other countries and route calls across borders. CallFactory is a registered telecom operator in 13 countries, delivering reliable international phone numbers without …
IVR toolkit
Build custom call flows with structured actions. Play audio, gather input, stream to AI, dial through, transfer and record—all developer-friendly and AI-ready.
Main phone number
One central national main phone number for all your offices and branches, where a voicebot asks the caller for postcode, product, or branch name and routes the call to the right location based on the …
Peak traffic management
Handle sudden call spikes from campaigns, media exposure, or seasonal peaks. Our cloud-based platform absorbs the volume so no caller hears a busy tone.
Phone menu (IVR)
Help callers reach the right person immediately. With a simple menu, you route every call to the right employee or department.
PIN code routing
Route calls based on a PIN code. Each PIN leads to a different destination — ideal for VIP clients, internal lines, restricted services, and multi-tenant setups.
Smart voicemail system
When no one picks up, callers leave a voicemail that arrives in your inbox as an audio file. Custom greetings, multiple recipients, and no extra software needed.
Star a call
Star a call helps you focus on the conversations that truly matter. With one click, important calls stand out.
Statistics by email
Receive daily, weekly, or monthly call reports directly in your inbox. See call volume, duration, peak times, and missed calls — without logging in to anything.
Text to speech assistant
Type your message, choose a voice and language, and it is ready in seconds. Professional voice messages for greetings, voicemail, queues, and menus—no recording equipment needed.
VIP whitelist
Restrict your business line to approved callers only. Only numbers on your whitelist get through — everyone else is blocked or sent to voicemail.
Voicebot
AI-powered voice assistants built on our IVR platform. Automate incoming calls with natural conversation, data lookups, and smart routing.
Webhook call routing
Route calls dynamically using your own webhook. When a call comes in, CallFactory asks your server where to send it — full control in real time.
Welcome message
Greet every caller with a professional message before the call is connected. Record your own, use a voice actor, or generate one in seconds with text-to-speech.
Whisper tone
A brief audio message tells you which number was dialled before you answer, so you immediately know whether this is a business call on your mobile, a specific webshop, or an international number.
Frequently asked questions about desk phones
Answers to common questions about using desk phones with CallFactory.
You purchase the handset from your own IT supplier or any online retailer. Any brand that supports the SIP protocol works with our system. We recommend Ubiquiti UniFi Talk Touch or Yealink because they perform well in practice and are both widely available.
Yes. Our desk phones work with any phone provider, such as BT or Virgin Media, so you do not need to change anything in your current contract or setup to add a VoIP handset.
Yes. You can connect VoIP handsets from any SIP-compatible brand to our system, even if they were in use with a different provider before. You create a VoIP account in your dashboard and enter the SIP details on the handset.
Once the handset arrives at the office, create a VoIP account in your dashboard, enter the SIP details into the handset, and you are ready to call. For a typical setup that takes a few minutes per handset.
The Ubiquiti UniFi Talk Touch G3 and later are simple to use via a touchscreen, have a polycarbonate case instead of standard plastic, and let you run firmware updates straight from the screen menu. That last feature makes it practical to keep the handset’s security up to date.
Yes. The desk phone is one of the endpoints in our system, alongside softphones, mobile phones and voicebots. You can ring multiple endpoints at the same time or in sequence and adjust the setup from your dashboard at any moment.
