Crystal VoiceData

Business Broadband vs Home Broadband: What's the Difference?

Mon, 19 Oct 2026 18:30:14 GMT

If you run a small business from an office, shop or studio in Cardiff, it's tempting to sign up for a home broadband deal. The adverts look similar, the speeds look similar, and the monthly price often looks lower. So why do business broadband packages exist at all?

The short answer is that the difference isn't usually the speed on the box. It's what happens when something goes wrong, how the connection behaves when everyone is online at once, and whether it can carry your phone calls reliably. This guide explains the differences in plain English so you can decide what your business actually needs.

Can a business use home broadband?

Technically, yes, in many cases. But most residential broadband contracts are written for personal use, and some providers' terms don't allow commercial use at all. More importantly, home packages are built around home priorities: streaming in the evening, the odd video call, and a fix "within a few days" if the line drops.

For a business, a few days without internet can mean no card payments, no cloud software, no email and, since phone systems moved online, no phones either.

The key differences between business and home broadband

1. Fault repair times

This is the biggest difference. Home broadband faults are typically fixed on a standard residential timescale, and engineer visits can take days to book. Business broadband usually comes with faster, priority repair targets and a support team that understands a business is losing money while it's offline.

If your team can't work for a day, the cost of that downtime will almost always be more than the difference in monthly price.

2. Static IP addresses

Business broadband often includes a static IP address, or offers one as an option. Home broadband usually gives you an address that changes from time to time.

A static IP matters if you:

run CCTV or door entry you want to view remotely
use a VPN so staff can reach office systems from home
host a server or give suppliers secure access to your network
need your IP address whitelisted by a software supplier or bank

3. Contention and busy-hour performance

Broadband is shared. Home connections are designed knowing that most people use them most heavily in the evening. Business users need steady performance during the working day, when everyone in the office is on Teams, uploading files and making calls at once. Business packages are set up with this daytime pattern in mind.

4. Upload speeds

Home packages are sold on download speed. Businesses increasingly rely on upload: sending large files, backing up to the cloud, video calls and VoIP calls all use upload bandwidth. Full fibre (FTTP) business broadband gives far better upload speeds than older copper-based connections, and it's worth checking upload figures, not just download, before you sign.

5. Support for business phones

With the UK's old copper phone network being switched off by early 2027, more businesses are moving their phones onto the internet. That makes the broadband connection the foundation of your phone system. A business connection with a router configured properly for voice traffic keeps calls clear when the line is busy. Read our PSTN switch-off guide if you're not sure how the change affects you.

6. Backup options

Many business broadband packages can include a 4G or 5G backup, so if the fixed line fails the router automatically switches to mobile data. Your card machine, cloud tools and business phone systems keep working while the fault is fixed. Backup is rarely offered on residential deals.

7. Contracts and accounts

Business contracts are in your company's name, VAT can be reclaimed, and the bill comes with proper invoices. When staff leave or you move premises, the service stays with the business rather than a person.

Is business broadband always the right choice?

Not always. A sole trader working mostly from home with no staff and no internet-based phones may be fine on a good residential package. Business broadband starts to earn its keep when:

more than a couple of people rely on the connection during the day
you take card payments or depend on cloud software
your phones run over the internet
downtime would cost you customers or sales

And if your business has outgrown even business broadband, for example lots of staff, heavy uploads or a need for guaranteed speeds, a dedicated connection may be the next step. Our guide to leased line vs broadband explains when that makes sense.

What to check before choosing business broadband in Cardiff

Availability varies street by street across Cardiff and South Wales, so start with what can actually reach your premises. Then ask any provider:

Is full fibre (FTTP) available at my address? If not, what's the best alternative?
What are the upload and download speeds , and what speed is guaranteed?
What is the fault repair target , and is support UK-based?
Is a static IP included?
Can I add 4G or 5G backup?
Will the router handle VoIP calls properly?
What are the contract length and annual price rise? Ask for this in writing so there are no surprises.

As a Gamma Accredited Partner and O2 Business Partner, Crystal Voice Data can check every option at your address and set up your business broadband , Wi-Fi and phones so they work together. If your Wi-Fi is the weak link rather than the line itself, our office Wi-Fi guide is a good next read.

Frequently asked questions

Is business broadband faster than home broadband?

Not necessarily. Both often use the same full fibre or fibre to the cabinet technology, so headline speeds can be similar. The difference is in repair times, daytime performance, upload speeds, static IPs and backup options.

Can I use home broadband for my business?

You may be able to, but check the terms: many residential contracts are for personal use only. You'll also usually miss out on faster fault repair, a static IP and backup options.

Do I need business broadband for VoIP phones?

You don't strictly need it, but a reliable business connection with a properly configured router gives much clearer, more dependable calls, especially when several people are on the phone at once.

What is a static IP address and do I need one?

A static IP is a fixed internet address for your connection. You need one for remote CCTV access, VPNs, hosting servers or when a supplier needs to whitelist your connection.

What happens to my broadband when the copper network switches off?

Broadband that relies on an old copper phone line will need to move to a digital service, such as full fibre or a data-only line, before the switch-off. We can check your line and plan the move for you.

Get a free phone line check

Not sure what your current line can do, or whether you're on the right package? Crystal Voice Data offers a free phone line check for businesses across Cardiff and South Wales. We'll tell you what's available at your premises, what you're paying for now, and whether there's a better fit.

Call us on 0333 5678 444 or book your free line check today.

Microsoft Teams Calling for Business: Make and Take Proper Phone Calls in Teams

Mon, 12 Oct 2026 08:31:21 GMT

Already on Microsoft 365? How Teams Phone, Calling Plans, Operator Connect and Direct Routing work—and when a dedicated cloud phone system still makes more sense for Cardiff businesses.

You're already in Microsoft Teams all day—chats, meetings, files. Then a customer rings your 029 number, and someone digs out a mobile or walks to an old desk phone that isn't part of the same conversation.

Microsoft Teams calling (Teams Phone) puts proper inbound and outbound calls inside the Teams app, with a real UK number. For many Cardiff and South Wales businesses on Microsoft 365, that's appealing. The question is whether it's right for your team—or whether a dedicated cloud-based phone system still fits better.

What Microsoft Teams calling actually means

Teams on its own lets people call each other inside Teams. That isn't the same as ringing a customer's mobile or answering your published business number.

For normal telephone calls you need Teams Phone —Microsoft's cloud PBX features—plus a connection to the PSTN (the public phone network). Users need Teams Phone licensing and a separate PSTN option for external calling ( Microsoft Learn: Teams Phone licensing ; PSTN connectivity options ).

Once live, staff can answer the main number or a direct dial from the Teams app; place outbound calls with your business caller ID; transfer, hold and forward; and use auto attendants and call queues. Certified desk phones are optional.

Three ways to connect Teams to the phone network

For most UK firms the practical choice is between three models ( Microsoft Learn ):

Microsoft Calling Plans

Microsoft is your phone operator. You buy Calling Plan licences (or a Teams Phone with Calling Plan bundle), Microsoft provides numbers and minutes, and you manage it in the Microsoft 365 admin centres.

Best when you want the simplest all-Microsoft stack. Calling Plans aren't always the cheapest once you scale, and some firms prefer a UK telecoms specialist for numbers and day-to-day voice support. We don't quote Microsoft list prices here—they change—so check the admin centre or your Microsoft partner.

Operator Connect

You work with a Microsoft-certified telecoms operator . They manage the PSTN side and the session border controllers; you enable them in the Teams admin centre and assign numbers to users. It's designed to be simpler than building Direct Routing yourself ( Plan for Operator Connect ).

Best when you want carrier-grade UK voice with a certified operator and prefer managing users and numbers in Teams.

Gamma is a participating Operator Connect provider (Microsoft marketplace listing and Gamma's Operator Connect programme announcements). As a Gamma Accredited Partner , we can talk through how Operator Connect sits with the rest of your telecoms if it's on your shortlist.

Direct Routing

You (or a partner) connect Teams Phone to a certified Session Border Controller (SBC) and bring your own SIP trunk. It's the most flexible option and often suits complex estates: analogue devices, contact centres, mixed PBXs or custom routing.

Best when you need advanced integration. Watch for more design and ongoing SBC care than Operator Connect—fine with the right partner, overkill for a small office that just wants numbers in Teams. Most small and mid-sized firms pick one primary model and stick to it.

Keeping your 029 number

Usually yes. With Calling Plans, Operator Connect or Direct Routing, existing geographic numbers can typically be ported . Customers keep dialling the same Cardiff number; Google listings and stationery don't need a reprint.

Porting isn't instant—plan it for a quiet day, test both ways first, and have a temporary divert ready. Our landline to VoIP guide covers how it works in practice.

When Teams calling suits a business—vs a dedicated cloud phone system

Teams Phone often fits when you're already deep in Microsoft 365, hybrid working matters, call volumes are moderate, routing is fairly standard, and you're happy managing licences in Teams. It's also a clean digital path off old ISDN or analogue lines ahead of the PSTN switch-off .

A dedicated cloud phone system often fits better when phones are mission-critical (busy reception, multi-site hunt groups, heavy recording), not everyone needs a full Microsoft 365 licence just to answer the phone, staff want simple desk phones more than a full Teams client, or you'd rather have one local partner for phones, broadband and Wi-Fi.

Our Gamma Horizon business phone systems are built for that second group. Horizon is £19.99 per user per month plus VAT , with the app included for handset, laptop or mobile. Many Cardiff firms run Horizon for phones and keep Teams for meetings and chat.

There's no universal winner—it depends on how your team takes calls. Our business phone system cost guide explains what goes into the price, whichever route you choose.

What you need: licences, headsets and broadband

Licences. Each user who needs their own number generally needs a qualifying Microsoft 365 / Teams base licence, Teams Phone (included in some higher plans such as certain E5 bundles; otherwise usually a Teams Phone Standard add-on), and a PSTN route —Calling Plan, Operator Connect or Direct Routing. Shared devices and call queues have their own patterns—check Microsoft's current licensing page before you order.

Headsets. A quiet headset with a noise-cancelling mic makes a bigger difference than most people expect. Certified Teams phones are optional. Brief training still helps for transfers and mobile hunt groups.

Broadband and Wi-Fi. Unstable Wi-Fi or a saturated upload shows up as choppy audio long before it shows in a speed test. For Teams calling—or any cloud phone system—use solid business broadband and office Wi-Fi . A free line check tells you what's available at your address.

The PSTN switch-off angle

The traditional UK phone network is being retired, with the industry aiming to complete the move away from analogue and ISDN by 31 January 2027 . New analogue lines have already stopped being sold. If you're still on copper lines in Cardiff or South Wales, you need a digital plan—Teams Phone with a PSTN route, or a dedicated VoIP system such as Horizon.

Either path gets you off the old network. The switch-off is why many firms are reviewing phones now; it isn't by itself a reason to pick Teams over Horizon. See our PSTN switch-off guide for Cardiff businesses .

How we can help

Crystal Voice Data looks after business telecoms across Cardiff and South Wales. We're a Gamma Accredited Partner and an O2 Business Partner , designing business phone systems , broadband and Wi-Fi to match how you work.

Already on Microsoft 365 and weighing Teams Phone, Operator Connect or Horizon? Book a free phone line check or call 0333 5678 444 . We'll look at how you take calls today, what licences you already own, and how to keep your 029 number.

FAQ

Do we need Microsoft Calling Plans if we use Operator Connect?

No. Calling Plans are Microsoft's own PSTN product. With Operator Connect or Direct Routing the certified operator (or your SIP provider) supplies the dial tone; you still need Teams Phone licensing for the PBX features.

Is Teams Phone the same as a Teams meeting dial-in number?

No. Audio Conferencing dial-in numbers let people join meetings by phone. Teams Phone is everyday business calling—your published numbers, queues and user extensions.

Can a small Cardiff business use Teams calling?

Yes, if you're already on Microsoft 365 and call handling is fairly simple. Smaller teams sometimes find a dedicated cloud phone system quicker day to day, especially if not everyone needs a full Teams licence. We're happy to compare both.

Will it work from home?

Yes—if home broadband is reliable and staff use a proper headset. Design call routing so the main number is still answered professionally outside the office.

What about alarms, lifts and door entry on old phone lines?

Those often need a separate digital plan; they don't move automatically when staff take calls in Teams. Flag every analogue device early.

Ready to talk it through? Contact us for a free phone line check, or ring 0333 5678 444 .

Paul Ward, Crystal Voice Data

Moving Office in Cardiff? Your Phones, Broadband and IT Checklist

Mon, 05 Oct 2026 09:56:54 GMT

Moving premises? Order your connectivity first, keep your 029 number and avoid a week without phones. Our timeline for Cardiff businesses.

You've signed the lease, booked the van and ordered new desks. Then someone asks: "Will the internet be working on Monday?"

It's the question that catches out more office moves than any other. Furniture can arrive in a day. A new broadband line or leased line can't. Get the order of things wrong and you can spend your first week in new premises tethered to mobile phones, with customers ringing a number nobody's answering.

This checklist covers what to sort, and when, so your phones and internet work from the first morning. It's written for businesses moving within Cardiff and South Wales, but most of it applies anywhere in the UK.

Why telecoms needs to be first on the list, not last

Three things make an office move harder for telecoms than it used to be:

Connectivity has lead times. A standard business broadband install can be fairly quick, but a leased line often takes several weeks, and sometimes a few months if new fibre has to be dug in to the building. You can't hurry the network operator by phoning more often.
You can't move an old phone line to a new building. Openreach stopped selling new traditional analogue phone lines across the UK on 5 September 2023 ( Openreach ), and the old network is being switched off by 31 January 2027. If you're still on landlines or ISDN, a move is the natural moment to go digital. Our PSTN switch-off guide explains the background.
Every building is different. What's available at your new address (full fibre, part fibre, a leased line, or not much at all) depends on the street, the building and sometimes the landlord. You need to find out before you commit, not after.

Your office move telecoms timeline

3 to 6 months before the move: check what the new building can get

Ideally, do this before you sign the lease.

Run a connectivity check on the new address. Find out whether full fibre (FTTP) business broadband is available, what speeds are realistic, and whether a leased line can be delivered. We'll do this for you as part of a free line check.
Decide between broadband and a leased line. If your team relies on video calls, a cloud phone system, large file transfers or cloud software all day, a dedicated line may be worth it. Our leased line vs broadband guide walks through the choice.
Order a leased line now if you need one. This is the item with the longest lead time. Ask the provider about the survey, any building works needed, and whether there might be extra construction charges if fibre has to be run into the premises.
Ask the landlord the awkward questions. Is there existing data cabling? Who owns it? Where's the comms room or cabinet? Is there a ducting route into the building for new fibre? Do you need permission for wall-mounted access points or drilling?
Check your current contracts. Note the end dates and notice periods for your broadband, phone lines and phone system. Moving early doesn't always end a contract, so it's worth knowing where you stand.

2 to 3 months before: plan the inside of the building

Get a site survey for data cabling. Count desks, printers, meeting rooms, screens, CCTV and access points, then add spare points for growth. Adding cabling to an empty office is far quicker, cheaper and tidier than working round furniture and people later. See our structured cabling guide for the Cat6 vs Cat6a question, or talk to us about data cabling .
Plan the Wi-Fi properly. Open-plan floors, glass partitions, concrete walls and kitchens all affect coverage. A survey tells you how many access points you need and where they should go. Our office Wi-Fi guide covers the common problems, and our business Wi-Fi page explains how we install it.
Order your business broadband. Even if a leased line is coming, broadband makes a good backup connection, so your phones and cloud tools fail over if the main line ever drops. Book the install for a date comfortably before you move in. More on our business broadband options.
List everything that currently uses a phone line. Intruder and fire alarms, lift emergency phones, door entry systems, franking machines and older card machines often run on traditional lines. Each one needs a digital alternative or a new plan at the new site.

4 to 6 weeks before: sort out your phones

Move to a cloud phone system if you haven't already. With a cloud (VoIP) system, your phones aren't tied to a physical line in a particular building. Plug the handsets in at the new office, or use the app on a laptop or mobile, and they just work. Our Gamma Horizon cloud phone system is £19.99 per user per month plus VAT. Find out more about our business phone systems , or read what a business phone system costs .
Keep your phone number. If you're staying in the Cardiff area, you can normally keep your 029 number. It's ported to the new system and stays yours. Customers, Google listings, vans and printed stationery don't need to change. Our landline to VoIP guide covers how porting works.
Book the port for a quiet day. A number port happens on a set date. Plan it for a day when you're already set up to take calls on the new system, not in the middle of the move.
Set up call routing for moving day. Decide where calls go while desks are being unpacked: to mobiles, to the app, or to a hunt group of whoever is available.
Order handsets and headsets. If you're buying new desk phones, get them delivered and configured before the move, not on the day.

1 to 2 weeks before: test everything

Confirm the broadband or leased line is live at the new premises, and run a speed test from a laptop on site.
Check the cabling and Wi-Fi are installed and tested. Patch points should be labelled so you know which socket goes to which desk.
Test calls in both directions , including your main number, any direct dials and the out-of-hours message.
Update your address where it matters : Google Business Profile, your website, email signatures, suppliers and your bank. Your phone number doesn't need updating if you've kept it.

Moving day and the first week

Have a named contact at your telecoms provider you can ring if something isn't working.
Plug in desk phones at their new desks. On a cloud system they should register automatically.
Walk the office with a phone on a video call to check for Wi-Fi dead spots before staff find them for you.
Cancel what you no longer need : old lines, old broadband and any equipment rental at the previous site, once you're sure the new setup is working.

Common office move mistakes we see

Signing the lease before checking connectivity. A lovely office with poor broadband options is an expensive mistake to undo.
Ordering the leased line too late. If it isn't live on moving day, you need a stopgap, such as a temporary broadband line or a 4G/5G router.
Forgetting the alarm and lift lines. These are easy to overlook until an alarm company or building manager asks how the system will call out.
Cabling after the furniture arrives. It costs more, takes longer and usually looks worse.
Using several suppliers who don't talk to each other. When the broadband company blames the phone company and the phone company blames the cabling installer, you're the one without a working office.

One supplier for the whole move

Crystal Voice Data looks after business telecoms across Cardiff and South Wales: phone systems , broadband , leased lines, Wi-Fi and data cabling . That means one team plans the move, one team orders the connectivity, and one number to call if anything goes wrong. We're a Gamma Accredited Partner and an O2 Business Partner, so you get proven networks and local support.

Planning a move? Book a free phone line check and we'll tell you what your new building can get, what needs ordering first and how to keep your number. Or call us on 0333 5678 444 .

Paul Ward, Crystal Voice Data

PSTN Switch-Off 2027: What Cardiff Businesses Must Do

Sat, 03 Oct 2026 07:04:31 GMT

The PSTN switch-off in January 2027: a guide for Cardiff businesses that use BT's network have to follow the same timescale.

Calls will instead run over internet technology: VoIP (Voice over Internet Protocol), digital voice, or all-IP phone services (https://www.gov.uk/guidance/moving-landlines-to-digital-technologies).

When is the PSTN switch-off?

All users of the Openreach PSTN need to be migrated to new services by 31 January 2027 (https://www.gov.uk/guidance/telecommunications-modernisation-connectivity-timeline). Openreach says the deadline is locked and there's no extension (https://www.openreach.com/news/time-for-a-big-switch-up-as-pstn-switch-off-looms/).

Openreach has also warned that businesses which don't migrate will face higher charges before losing service altogether.

What happens if you don't switch?

Openreach says that after 31 January 2027, a business still using services over the traditional network may be moved onto an emergency voice-only service, or may lose its service altogether (https://www.openreach.com/big-switch-off/digital-phonelines-for-businesses). BT Business adds that services such as ISDN, Featureline and multiline can't be moved automatically and will stop working if they haven't been moved (https://business.bt.com/help/article/phone-line-and-services/move-from-traditional-lines-to-the-cloud/the-pstn-and-isdn-switch-off-what-it-means-for-you/).

In short: waiting means losing control of the timing, your options and possibly your service.

What's affected? (It's more than your phones)

GOV.UK lists devices and systems that can rely on the old network, including analogue phones, fire and other alarms, payment terminals, lifts, intercoms and broadband services. Openreach also mentions CCTV and door entry systems.

Walk round your premises and check for:

- Phone lines and ISDN: main numbers, fax lines and any extra lines.

- Phone systems: older on-site systems connected to ISDN or analogue lines.

- Alarms: intruder alarms, fire alarms and lift emergency lines that dial out.

- Card machines: older payment terminals that use a phone line.

- Door entry and intercoms.

- Franking machines, fax machines and other equipment plugged into a phone socket.

- Broadband: copper-line services including ISDN, ADSL and FTTC may also be affected.

For every item, ask the supplier whether it works on a digital line, needs an adaptor, or needs replacing.

What replaces your landline?

For most businesses, the replacement is a cloud (VoIP) phone system. Calls run over your internet connection, and you can use desk phones, mobile and desktop apps, or both. See what a cloud phone system is and how it works: /what-is-a-cloud-based-phone-system.

A modern system usually does more than the old one: auto-attendant, call recording, voicemail to email, working from home on the business number, and Microsoft Teams integration.

Can you keep your phone number?

Usually, yes. Numbers, including local 029 numbers, are moved across by porting. It takes some lead time, which is another reason not to leave it late.

What about power cuts?

Digital lines need mains power and won't work in a power cut without a battery or other backup. For most businesses, the practical answer is to divert calls to mobiles automatically, and to put the router on a small battery backup if the phones are critical.

Your switch-off checklist

Openreach recommends review, test, switch. In practice:

1. Review: list every number, line and device that uses a phone line. Find your current contracts and end dates.

2. Check your connection: make sure your business broadband (/broadband) or leased line (/leased-lines) can carry calls, and decide whether you need a backup.

3. Test: ask suppliers of alarms, card machines and lifts to confirm they work on a digital line.

4. Choose your phone system: decide on handsets, apps and call flows.

5. Switch: port your numbers, install the new system, train the team, then cancel the old lines.

If you have several sites or a lot of connected equipment, start now. Planning takes longer than the switch itself.

Switching in Cardiff and South Wales

Local knowledge helps. Older buildings in the city centre and Cardiff Bay often have mixed cabling and awkward Wi-Fi, and both affect call quality. A provider who will visit, check the data cabling (/data-cabling) and Wi-Fi (/wifi), and stay for support usually makes for a smoother switch than an online-only setup.

For the practical steps, see our guide on how to switch from landline to VoIP: /how-to-switch-from-landline-to-voip-a-practical-guide-for-businesses.

Frequently asked questions

When is the PSTN switch-off?

Traditional phone lines on the Openreach network need to move to a digital service by 31 January 2027.

Will the deadline be extended?

Openreach has said the deadline is locked and there's no extension.

Does the switch-off affect my broadband?

It can. Broadband that runs over copper lines, including ADSL and FTTC, is affected.

Can I keep my business phone number?

Usually, yes. Your number can be ported to your new digital phone system.

Will my alarm or card machine still work?

Not necessarily. Check every device that uses a phone line with its supplier before you switch.

Is the switch-off happening everywhere at once?

Providers are moving customers in phases, but the final Openreach date is 31 January 2027. Contact your provider to find out your timeline.

Get a free line check

Not sure what you've got or what needs to change? Crystal Voice Data is a Cardiff-based Gamma Accredited Partner and O2 Business Partner. We'll review your lines, numbers and connected equipment, and plan a move to a business phone system (/office-phones) that keeps your 029 number. Book a free line check (/contact-us) or call 0333 5678 444, Monday to Friday, 9am to 5pm.

The UK's old copper telephone network is being switched off. If your business still uses traditional phone lines, or anything that plugs into one, you need to move to a digital service before 31 January 2027. This guide explains what's happening, what's affected, and what to do next, in plain English.

What is the PSTN, and why is it being switched off?

The PSTN (Public Switched Telephone Network) is the copper network that has carried landline calls for decades. ISDN, the digital line service many businesses use for multiple lines, runs over the same old infrastructure. The decision to retire it was made by the telecoms industry because the network is old and increasingly expensive to maintain. Calls will instead run over internet technology: VoIP, digital voice, or all-IP phone services.

When is the PSTN switch-off?

All users of the Openreach PSTN need to be migrated to new services by 31 January 2027. The deadline is locked and there is no extension. Businesses that do not migrate may face higher charges before losing service altogether.

What happens if you do not switch?

A business still using the traditional network may be moved onto an emergency voice-only service or may lose service altogether. Services such as ISDN, Featureline and multiline cannot be moved automatically and will stop working if they have not been moved. Waiting means losing control of the timing, your options and possibly your service.

What's affected? (It's more than your phones)

Check phone lines and ISDN, older phone systems, intruder and fire alarms, lift emergency lines, card machines, door entry and intercoms, fax and franking machines, and broadband that depends on copper lines such as ADSL and FTTC. Ask every supplier whether each device works on a digital line, needs an adaptor, or needs replacing.

What replaces your landline?

For most businesses, the replacement is a cloud (VoIP) phone system. Calls run over your internet connection, and you can use desk phones, mobile and desktop apps, or both. Modern systems add auto-attendant, call recording, voicemail to email, working from home on the business number, and Microsoft Teams integration.

Can you keep your phone number?

Usually, yes. Existing business numbers, including local 029 numbers, are moved across by porting. It takes some lead time, which is another reason not to leave it late.

What about power cuts?

Digital lines need mains power and will not work in a power cut without a battery or other backup. Divert calls to mobiles automatically and put the router on a small battery backup if the phones are critical.

Your switch-off checklist

Review every number, line and device that uses a phone line; find current contracts and end dates.
2. Check that your business broadband (/broadband) or leased line (/leased-lines) can carry calls and decide whether you need a backup.
3. Test alarms, card machines and lifts with their suppliers.
4. Choose handsets, apps and call flows.
5. Port numbers, install the new system, train the team, then cancel old lines.

Switching in Cardiff and South Wales

Older buildings in Cardiff and Cardiff Bay often have mixed cabling and awkward Wi-Fi, which affect call quality. A provider who will visit, check data cabling (/data-cabling) and Wi-Fi (/wifi), and stay for support makes for a smoother switch than an online-only setup. See our guide on how to switch from landline to VoIP (/how-to-switch-from-landline-to-voip-a-practical-guide-for-businesses).

Frequently asked questions

When is the PSTN switch-off? Traditional phone lines need to move to a digital service by 31 January 2027.

Will the deadline be extended? Openreach has said the deadline is locked and there is no extension.

Does the switch-off affect broadband? Copper-line broadband including ADSL and FTTC is affected.

Can I keep my business phone number? Usually, yes. Your number can be ported to your new digital phone system.

Will my alarm or card machine still work? Not necessarily. Check every device that uses a phone line with its supplier.

Get a free line check

Crystal Voice Data is a Cardiff-based Gamma Accredited Partner and O2 Business Partner. We'll review your lines, numbers and connected equipment and plan a move to a business phone system (/office-phones) that keeps your 029 number. Book a free line check (/contact-us) or call 0333 5678 444, Monday to Friday, 9am to 5pm.

Business Phone System Cost: What You Pay For in the UK

Sat, 03 Oct 2026 07:04:22 GMT

for so you can build a sensible budget and compare quotes fairly. Modern cloud VoIP systems are the option most businesses are moving to before the 2027 switch-off.

The six things that make up the cost

1. User licences (the monthly fee)

Most cloud phone systems charge per user or extension. The licence usually covers a business number, desk phones and apps, voicemail to email, call forwarding and an online portal. Advanced features such as call recording, queues, wallboards and contact-centre tools may use a higher tier.

2. Calls

Calls between colleagues are usually free. UK landline and mobile calls may be bundled; international and premium-rate calls are usually extra. Check what is included and how calls outside the bundle are charged.

3. Handsets and headsets

You can buy or rent desk phones, or use mobile and desktop apps. Existing IP phones may be reusable. Check whether handsets are included and which current phones can be reused.

4. Your internet connection

A cloud phone system runs over your internet connection. Small offices may be fine on good business broadband; busy teams may need a leased line or backup connection. A cheap phone system on a poor line is a false economy.

5. Installation, porting and training

Moving to a new system means setting up users and call flows, porting numbers, installing phones and training the team. Ask what installation and number porting include and whether someone comes on site.

6. Support

Check support hours, how you contact support and whether you speak to people who know your setup or a call centre.

Hidden costs to watch for

Check long contracts and auto-renewal, charges for changes, equipment such as alarms and card machines, network work for data cabling or Wi-Fi, and early-termination fees on current lines.

What you might save

A cloud system can remove copper-line and ISDN rental, old phone-system maintenance, inter-site call charges and separate mobile costs. Whether you save overall depends on your current setup, so compare like for like.

How to compare quotes fairly

Compare monthly cost and tier, users on each tier, included calls, handsets, installation and porting, support, contract length, and whether the connection and backup were checked. Compare the total over the contract term, not just the monthly price.

Questions to ask before you sign

Can I keep all my numbers, including 029 numbers? Has the internet connection and equipment been checked? What happens if the internet fails? Who supports me and when are they open? What does it cost to add a user or make changes later?

Frequently asked questions

A cloud system can be cheaper than a landline because line rental and internal calls may reduce, but compare the full setup. You do not always need new phones: apps and existing IP phones may work. Quotes vary because they include different handsets, installation, support and call bundles. Installation and porting vary by provider, so ask what is included.

Get a clear, no-obligation price

Crystal Voice Data is a Cardiff-based Gamma Accredited Partner. Book a free line check at /contact-us and we will review your lines, numbers and costs, then give you a clear price for a business phone system at /office-phones. Call 0333 5678 444, Monday to Friday, 9am to 5pm.

How much does a business phone system cost?

It's the first question most businesses ask, and the honest answer is "it depends". That isn't a dodge: two businesses with ten staff can need very different setups. What we can do is show you exactly what you're paying for, so you can build a sensible budget and compare quotes fairly.

This guide covers modern cloud (VoIP) phone systems. With traditional lines needing to move to digital by 31 January 2027 (Openreach), that's what almost every business will be buying.

The six things that make up the cost

1. User licences (the monthly fee)

Most cloud phone systems charge a monthly fee per user or extension. Our Gamma Horizon cloud phone system, for example, is £19.99 per user per month plus VAT. The licence usually covers the core features: a business number on desk phones and apps, voicemail to email, call forwarding and the online portal. More advanced features can sit on a higher tier, such as call recording, call queues, wallboards or contact centre tools.

What to check: what's included in each tier, and whether you need everyone on the same tier. Often only a few people need the advanced features.

2. Calls

Calls between colleagues on the same system are usually free. Calls to UK landlines and mobiles are often bundled into the monthly price. International and premium-rate calls are usually extra. (More on this in are VoIP calls free?)

What to check: what's in the bundle, what's outside it, and how calls outside it are charged.

3. Handsets and headsets

You can buy desk phones, rent them, or go app-only and use the mobile and desktop apps on devices you already have. Some existing IP phones can be reused. Most offices mix the two: desk phones for reception and busy desks, and apps for everyone else. We supply Yealink, Polycom and Cisco handsets.

What to check: whether the quote includes handsets, whether they're bought or rented, and which of your current phones can be reused.

4. Your internet connection

A cloud phone system runs over your internet connection, so the connection is part of the cost, even if you already pay for it. Many small offices are fine on good business broadband. Busier offices, call teams and businesses that can't afford downtime may need a leased line or a backup connection.

What to check: whether the provider has looked at your current connection. A cheap phone system on a poor line is a false economy.

5. Installation, porting and training

Moving to a new system means setting up users and call flows, porting your numbers, installing desk phones, and showing the team how it works. Some providers charge for this separately and some include it.

What to check: what installation includes, whether number porting is included, and whether someone comes on site.

6. Support

This is the one most often missing from cheap quotes. When calls aren't coming through, who do you ring, and how quickly will they help?

What to check: support hours, how you contact support, and whether you speak to people who know your setup or to a call centre.

Hidden costs to watch for

Long contracts with auto-renewal. Check the term and the notice period.

Charges for changes. Adding users, changing call flows or moving desks.

Equipment you didn't know you had. Alarms, card machines, lifts and door entry systems that use your phone line may need upgrading as part of the switch-off (GOV.UK). Better to find out at the start.

Network work. Desk phones need network points. If your data cabling or Wi-Fi isn't up to it, budget for it.

Old contracts. Early-termination fees on your current lines. Check your end dates.

What you might save

Moving to a cloud system often removes costs as well as adding them:

Line rental on copper lines and ISDN channels you no longer need

Maintenance on an old on-site phone system

Charges for calls between your own sites or staff

Separate mobile costs for people who currently use personal phones for work calls

Whether you save overall depends on your current setup, which is why a like-for-like comparison matters.

How to compare quotes fairly

Put each quote into the same table:

Quote AQuote BMonthly cost per user (and which tier)Number of users on each tierCalls included / not includedHandsets (buy, rent, reuse, app-only)Installation and portingSupport hours and contact methodContract length and notice periodConnection checked? Backup included?

Compare the total over the contract term, not just the monthly headline price.

Questions to ask before you sign

Can I keep all my numbers, including 029 numbers?

Have you checked my internet connection and the equipment on my phone lines?

What happens to calls if my internet fails?

Who supports me, and when are you open?

What does it cost to add a user or change something later?

Frequently asked questions

Is a cloud phone system cheaper than a landline?

Often, because you stop paying line rental and internal calls are usually free. But it depends on your setup, so compare your current bills against a full quote.

Do I have to buy new phones?

No. You can use the mobile and desktop apps, reuse some IP phones, or buy or rent desk phones.

Why do quotes vary so much?

They often include different things: handsets, installation, support and call bundles. Put them into the same table to compare like for like.

Is installation included?

It varies by provider. Always ask what's included, especially number porting and on-site setup.

Get a clear, no-obligation price

Crystal Voice Data is a Cardiff-based Gamma Accredited Partner. Book a free line check and we'll review your current lines, numbers and costs, then give you a clear price for a business phone system that fits your team, with no call centres. Gamma Horizon user licences are £19.99 per user per month plus VAT. Call 0333 5678 444, Monday to Friday, 9am to 5pm.

Still deciding whether to switch? Read how to switch from landline to VoIP or the PSTN switch-off guide.

Office Wi-Fi Problems? How to Fix Business Wi-Fi

Sat, 03 Oct 2026 07:04:09 GMT

Slow, patchy office Wi-Fi is usually fixable. Here is how to tell if it is the Wi-Fi or the broadband, and when to upgrade.

Office Wi-Fi not working? How to fix business Wi-Fi for good

Slow, patchy office Wi-Fi is one of the most common complaints we hear. Video calls freeze in the meeting room, the app drops calls at the back of the office, and someone always ends up working next to the router. The good news is that the causes are usually predictable, and so are the fixes.

First: is it the Wi-Fi or the broadband?

Before blaming the Wi-Fi, check the connection coming into the building. Ofcom makes the point clearly: however good your Wi-Fi is, it will never outperform your broadband service (Ofcom).

A quick test: plug a laptop into the router with a cable and run a speed test, then do the same over Wi-Fi in a problem area. If the wired speed is poor as well, the bottleneck is your business broadband, and no amount of Wi-Fi kit will fix it. If the wired speed is fine and the Wi-Fi isn't, read on.

The six most common causes of poor office Wi-Fi

1. One router trying to cover the whole building

The router your broadband provider sent was designed to sit in a home. In most business premises, one box in a corner can't cover every room, especially across floors.

2. Walls, glass and metal

Wi-Fi signals weaken as they pass through objects. Ofcom notes that brick walls, water, metal and glass all block the signal (Ofcom). Office buildings are full of exactly these: brick and block walls, glass partitions, metal shelving and lift shafts.

3. The router is in the wrong place

Routers often end up wherever the line comes in: on the floor, in a cupboard or behind a cabinet. Ofcom recommends placing a router centrally and off the floor, away from objects like radiators, and away from other electrical equipment that can interfere.

4. Too many devices

Every laptop, phone, tablet, printer and smart device shares the Wi-Fi. Ofcom points out that bandwidth is shared between devices, so the more you connect, the less each one gets. A busy office can easily outgrow consumer-grade equipment.

5. Old equipment

Older routers and devices only support older Wi-Fi standards. Newer routers can often support more connected devices and give better coverage and speeds (Ofcom).

6. Extenders and repeaters

Plug-in boosters can extend coverage, but Ofcom notes that, unlike mesh systems, they can affect data speeds and how responsive the connection feels. In an office they often create as many problems as they solve, particularly for calls.

Quick fixes you can try today

Move the router somewhere central and off the floor, away from metal and radiators.

Restart the router and check for firmware updates.

Plug desk computers in with a network cable where you can. Ofcom notes that cables often give a better connection than Wi-Fi.

Move guests and personal devices onto a separate guest network if you have one.

Check that the slow spots aren't simply the furthest point from the router.

These can help in a small office. In most businesses, though, the real fix is better design.

The proper fix: designed business Wi-Fi

Multiple access points, placed with a plan

Business Wi-Fi uses several access points, usually mounted on ceilings or high on walls, each covering part of the building. Devices move between them as people walk around. The key is where they go, which depends on your layout, walls and how each area is used. A meeting room full of laptops needs more capacity than a corridor.

Cabled back properly

Each access point should be connected to the network with a proper cable, not relying on a wireless hop from the next one. That means good data cabling behind the Wi-Fi. It's one of the main differences between business Wi-Fi and a home mesh kit.

Separate networks for staff and guests

A guest network keeps visitors' devices away from your business systems and stops guest use from slowing your team down.

Business-grade, centrally managed equipment

We install Ubiquiti business Wi-Fi equipment, where all the access points are managed from one place. Adding coverage later is straightforward.

Outdoor areas and separate buildings

Courtyards, yards and car parks can be covered with weather-resistant outdoor access points. Separate buildings on the same site can be linked with a point-to-point wireless link, without digging trenches for cable.

Why Wi-Fi matters for your phones

If your team takes calls on a softphone app or Microsoft Teams, Wi-Fi quality is call quality. Choppy calls on a cloud phone system are very often a Wi-Fi or network problem, not the phone system. It's one reason we plan phones, Wi-Fi and cabling together.

When to call in a professional

Problems persist after the quick fixes

You have more than one floor, or thick internal walls

You need Wi-Fi outdoors or across more than one building

You're moving office or refitting

Calls on apps or Teams keep dropping

Frequently asked questions

Why is my office Wi-Fi slow in some rooms and fine in others?

Usually it's distance from the router, walls or glass in the way, or too few access points. One router rarely covers a whole business premises.

Will a Wi-Fi extender fix it?

Sometimes, in a small space. But Ofcom notes that extenders can affect speeds and responsiveness. In offices, properly cabled access points are usually the better fix.

Is mesh Wi-Fi good enough for a business?

It can suit a very small office. Larger or busier premises benefit from business-grade access points, cabled back and managed centrally.

Do I need faster broadband or better Wi-Fi?

Test with a cable plugged into the router. If the wired speed is slow too, it's the broadband. If it's fast, it's the Wi-Fi.

Can visitors have separate Wi-Fi?

Yes. A guest network keeps visitors off your business network.

Get your Wi-Fi sorted

Crystal Voice Data designs and installs business Wi-Fi in Cardiff and across South Wales: indoor, outdoor and point-to-point, on Ubiquiti hardware, with the cabling to back it up. We're local, and there are no call centres. Call 0333 5678 444 (Monday to Friday, 9am to 5pm) or tell us about your building.

Structured Cabling Guide: Cat6 vs Cat6a for Offices

Sat, 03 Oct 2026 07:03:42 GMT

Cat6 vs Cat6a for offices: what to choose, how to plan the install, and what it means for phones and Wi-Fi.

Structured cabling for offices: Cat6 vs Cat6a and how to plan it

Cabling is the least glamorous part of an office network and the hardest to change later. It sits in ceilings, under floors and inside walls, and carries computers, desk phones, Wi-Fi access points, printers and cameras. Get it right once and you won't think about it for years. Get it wrong and you'll be chasing faults.

This guide explains what structured cabling is, how Cat6 and Cat6a compare, when fibre makes sense, and how to plan a cabling job.

What is structured cabling?

Structured cabling is a planned, standardised way of cabling a building. Every data point is cabled back to a central patch panel in a comms room or cabinet. Short patch leads then connect each point to your network equipment.

The benefits:

• Tidy and easy to manage. Every point is labelled.

• Flexible. Moving a desk phone or adding a printer is a patch-lead change.

• Reliable. Planned, properly terminated runs mean fewer faults.

Copper cabling: Cat5e, Cat6 and Cat6a

Most cabling to desks and devices is copper twisted-pair cable, graded into categories.

Cat5 and Cat5e

Cat5e is fine for everyday office use. For new installations, most businesses now choose Cat6 or Cat6a.

Cat6

Cat6 is specified up to 250 MHz. It handles gigabit networking comfortably and can carry 10 Gbps over shorter runs, up to 55 metres.

Cat6a

Cat6a ("augmented" Cat6) is specified up to 500 MHz and supports 10 Gbps Ethernet over the full 100-metre channel. It is thicker and stiffer than Cat6, so it takes more space and care to install.

Cat6 vs Cat6a at a glance

Specified frequency: Cat6 up to 250 MHz; Cat6a up to 500 MHz.

10 Gbps Ethernet: Cat6 up to 55 m; Cat6a up to 100 m.

Cable size: Cat6 thinner and easier to route; Cat6a thicker and needs more space.

Good for: Cat6 everyday use and shorter runs; Cat6a new installs, Wi-Fi access points, longer runs and future-proofing.

Which should you choose?

Choose Cat6a if:

• You're cabling a new office or doing a full refit

• You're installing modern Wi-Fi access points

• You have long runs back to the comms room

• You want the cabling to last through several generations of equipment

Cat6 can be fine if:

• Runs are short and connect desks, phones and printers

• You're extending an existing Cat6 installation

• Space in ceilings and trunking is tight

Because cabling outlasts equipment, many businesses decide Cat6a is worth the extra on a new install. We'll give you an honest recommendation for your building.

Where fibre fits in

Copper is limited to 100 metres per channel. For longer distances, links between floors or buildings, and between comms rooms, fibre optic cabling is usual. A common design is a fibre backbone between comms rooms, with copper out to desks. Fibre also carries incoming leased-line connections.

How to plan a cabling job

• Count data points for desks, phones, printers, Wi-Fi access points, cameras, meeting rooms and door entry. Add spares.

• Decide where the secure, ventilated comms cabinet goes, with power and space for broadband, switches and patch panels.

• Plan Wi-Fi access point positions at the same time, then cable them in.

• Choose Cat6 or Cat6a, plus fibre where needed. Label everything and plan timing around your business.

Signs your cabling needs attention

• Network faults or connections that drop when cables are touched

• A comms cabinet nobody can make sense of

Unlabelled cables, extension leads and switches under desks

• Not enough data points, or poor call quality on desk phones

Cabling for phones and Wi-Fi

Desk phones for a cloud phone system and Wi-Fi access points both plug into your cabling and often take power from it. If you're changing your phone system before the 2027 switch-off, check the cabling too.

Frequently asked questions

What's the difference between Cat6 and Cat6a?

Cat6a is specified to a higher frequency (500 MHz vs 250 MHz) and supports 10 Gbps over the full 100 metres. Standard Cat6 supports 10 Gbps only up to 55 metres.

Is Cat6a worth it for a small office?

For a new install, often yes, because cabling outlasts the equipment. For short runs, or for extending existing Cat6, Cat6 can be fine.

Can I still use Cat5e?

For everyday use it often works, but for new cabling most businesses choose Cat6 or Cat6a.

When do I need fibre?

For runs longer than copper allows, between floors or buildings, and for links between comms rooms.

How many data points does each desk need?

Usually at least two, plus points for phones, printers, access points and meeting rooms, and some spares.

Get a cabling quote

Crystal Voice Data installs data cabling in Cardiff and across South Wales: Cat 5, Cat 6, Cat 6a and fibre, for offices and comms rooms. We're a local team, and we also do phones and Wi-Fi, so it all works together. Call 0333 5678 444 (Monday to Friday, 9am to 5pm) or book a site survey.

VoIP phone systems for small businesses in Cardiff and South Wales

Mon, 14 Sep 2026 17:13:51 GMT

VoIP phone systems for small businesses in Cardiff and South Wales

If you are based in Cardiff or the surrounding area, the same rules apply — with extra attention to building type, indoor coverage and existing cabling. Crystal Voice Data supplies VoIP phone systems , cloud phone systems , office phones , leased lines , business broadband , Wi-Fi and data cabling , plus installation, training and ongoing support.

A VoIP phone system for small business only works if the network, numbers and call flow are set up properly. Start with a site survey and a clear list of how you take calls today. From there, you can move off the landline before the PSTN switch-off, keep the number your customers already know, and run a phone system that grows with the team.

Get in touch if you want a straightforward comparison of your current lines against a small-business VoIP setup.

How to Switch from Landline to VoIP: A Practical Guide for Businesses

Mon, 14 Sep 2026 16:57:23 GMT

How to Switch from Landline to VoIP: A Practical Guide for Cardiff Businesses

Traditional landlines are running out of road. BT and the other UK networks are switching off the old PSTN and ISDN network, with the national deadline now set for January 2027 . If your office still relies on copper phone lines, you will need a plan — and for most Cardiff and South Wales businesses, that plan is VoIP.

This guide explains what switching from landline to VoIP actually involves, what you need in place, and how to do it without dropping calls or losing your numbers.

What is VoIP?

VoIP (Voice over Internet Protocol) sends phone calls over your internet connection instead of a copper landline. Calls still ring on a desk phone, a mobile app or a headset — the difference is the path they take.

Instead of renting analogue lines from a traditional provider, you use a cloud phone system or hosted PBX . Your numbers stay the same (including a local 029 Cardiff number ), but the system itself lives in the cloud. That is why people also search for cloud phone systems Cardiff, hosted phone systems and business phone systems Cardiff when they start this process.

Why switch from landline to VoIP now?

1. The PSTN switch-off is coming

New analogue lines are already hard to get. Keeping old ISDN or PSTN services until the last minute usually means rushed quotes, limited kit and higher cost.

2. Cost

Most businesses cut call charges and line rental when they move to VoIP. Unlimited UK landline and mobile bundles are common. You stop paying for unused copper lines.

3. Flexibility

Staff can take the same business number on a desk phone, laptop or mobile. Hybrid and multi-site teams stay on one system.

4. Features that landlines never had

Auto-attendant (“press 1 for sales”), call queues, voicemail-to-email, call recording, presence and Microsoft Teams calling are standard on modern VoIP phone systems Cardiff providers install.

5. One network

Voice and data share the same connection. Pair VoIP with a leased line or solid business broadband and you get clearer calls and fewer “the line is down” mornings.

What you need before you switch

A reliable internet connection

VoIP is only as good as the link it rides on. Shared home broadband can work for a tiny team. A busy office, call-heavy team or video-heavy workflow is better on business broadband or a leased line . Quality of Service (QoS) on the router keeps calls from competing with file uploads.

The right phones

You can keep using some IP-ready handsets, buy new desk phones, or go app-only. Many Cardiff offices mix reception desk phones with softphones for people who move around.

Your existing numbers

You do not have to change number. Number porting moves your current landline or 029 numbers onto the new VoIP system. Plan this early — porting has a lead time.

A provider who does the whole job

The switch is not just a software login. Cabling, Wi-Fi, handset rollout, porting and training all matter. That is why local business telecoms Cardiff firms package phones, lines and support together.

Common worries (and the real answers)

“What if the internet goes down?”

Build in failover: a second broadband circuit, 4G/5G backup, or automatic divert to mobiles. A leased line plus backup is the usual setup for firms that cannot miss calls.

“Will call quality be worse?”

On a properly specified connection, VoIP is clearer than old copper. Poor quality almost always means undersized broadband, bad Wi-Fi or no QoS — not VoIP itself.

“Can I keep my 029 number?”

Yes. Port it to the new system. A local Cardiff number still builds trust even if some of the team work remotely.

“What about alarms, franking machines and chip-and-pin?”

Treat each analogue device separately. Do not assume it will work on VoIP without checking.

“Is this only for big companies?”

No. Small Cardiff firms switch because line rental and call rates add up, and because the old network is closing.

Switching in Cardiff and South Wales

Local context matters. Buildings in the city centre, Cardiff Bay and older stock can have patchy indoor signal and mixed cabling. A provider who will survey the site, install data cabling and Wi-Fi, and stay for support is more useful than a remote portal and a box of phones.

Crystal Voice Data helps businesses across Cardiff and South Wales move from landline to VoIP as part of a wider package: VoIP phone systems , cloud phone systems , leased lines , business broadband , Wi-Fi and data cabling , plus installation, training and ongoing support.

Ready to plan the switch?

If you are still on landline or ISDN, the useful question is not whether to move to VoIP — it is when, and how cleanly. Start with a site survey and a list of every number and analogue device you have. From there you can choose a cloud phone system that keeps your 029 numbers, works with the way your team already works, and is ready before the PSTN switch-off.

Get in touch for a straightforward assessment of your current lines and what a VoIP cutover would look like for your office.

Leased Line vs Broadband for Cardiff Businesses: Which Do You Actually Need?

Sun, 06 Sep 2026 12:03:15 GMT

Leased Line vs Broadband for Cardiff Businesses: Which Do You Actually Need?

Most Cardiff offices start on business broadband because it's cheap and easy. Then the video calls drop, the cloud phone system stutters, and someone asks whether a leased line is worth the extra money.

Here's the difference without the sales fog.

Broadband is shared. A leased line is yours.

Business broadband rides the same pipes as everyone else on the street. At 9am and 5pm, speeds dip. That's fine for email and browsing. It's not fine for a VoIP system, cloud backups, or a warehouse scanning stock all day.

A leased line is a dedicated fibre circuit between your office and the exchange. The speed you buy is the speed you get, up and down, all day. Typical Cardiff installs are 100 Mbps, 200 Mbps, or 1 Gbps.

What it costs in 2026

Business broadband: often £30 to £80 a month, plus a cheap router.

A 100 Mbps leased line in South Wales: typically £200 to £400 a month on a three-year term, plus install. Faster circuits cost more. Install can take six to twelve weeks because Openreach or the fibre provider has to build the last stretch.

When broadband is enough

Under ten staff
Mostly email, web, and light cloud tools
You can live with the occasional slow afternoon
You're not running a hosted phone system that needs clean upload

When a leased line pays for itself

Cloud phone system or call centre
Regular large file transfers or backups
Multiple sites that need to stay connected
You can't afford an hour of downtime when a shared line congests

A dropped call on a cheap line costs more than the monthly difference if that call was a customer.

The hybrid a lot of Cardiff firms use

Keep broadband as a backup. Put voice and critical apps on the leased line. If the dedicated circuit ever fails, phones fail over. That's the setup we install most often.

What to ask a provider

Is this a true leased line or "so-called dedicated" broadband?
What's the guaranteed upload speed, not just download?
What's the SLA — four hours, next business day?
Who owns the last-mile fibre, and who do I call at 2am?
Can you bond it with my existing broadband for failover?

Bottom line

If your phones and cloud tools already work, stay on broadband and spend the money elsewhere. If calls drop when the office fills up, a leased line isn't a luxury — it's the pipe your business is already trying to use.

Crystal Voice Data designs voice and data together, so the line and the phone system don't fight each other. Based in Cardiff, we cover South Wales for leased lines, Wi-Fi, VoIP, and cabling.

Want a straight comparison against what you're paying now? Get in touch and we'll price both options.

Why VoIP Phone Systems Cardiff

Sun, 15 Feb 2026 08:57:12 GMT

Businesses Trust for Reliability

In a city that never sleeps, Cardiff businesses need a phone system that’s as rock-solid as a Welsh castle. VoIP phone systems deliver uptime, call clarity, and the kind of reliability you’d expect from a trusty old friend. In Cardiff, VoIP doesn’t just connect calls—it keeps your business unstoppable.

Cloud Phone Systems Cardiff

Sun, 15 Feb 2026 08:54:11 GMT

The Future of Seamless Communication

Think of cloud phone systems as your business’s teleportation device—no more being tied to one desk or one office. In Cardiff, cloud phone systems give you mobility, effortless integration, and a future-proof edge. You’ll never miss a beat—or a call—no matter where you are.

Business Phone Systems Cardiff

Sun, 15 Feb 2026 08:52:13 GMT

Finding the Perfect Fit for Your Team

Not all phone systems are created equal—especially in Cardiff’s competitive business landscape. Whether you’re a bustling startup or a family-run firm, choosing a business phone system is like picking a sidekick—you need reliability, flexibility, and a bit of flair. We break down the options so you can find the perfect fit—no awkward tech mismatches.

VoIP Phone Systems Cardiff: Why Businesses Are Making the Switch

Sun, 15 Feb 2026 08:49:39 GMT

Cardiff businesses are ditching old-school lines for VoIP—we dive into how this tech is turbocharging local companies.

Cardiff businesses are leaving their outdated phone lines in the dust, opting for VoIP systems that transform every call into a business superpower. Imagine crystal-clear audio, slashable costs, and a flexible setup that scales as fast as your ambition. VoIP is no longer a buzzword—it’s Cardiff’s new business backbone.

Are VOIP calls free

Sun, 04 Aug 2024 17:50:53 GMT

Are VOIP calls free

VoIP calls can be free or involve some cost, depending on various factors such as the service provider, the type of calls being made, and the specific service plan. Here’s a detailed breakdown:

Free VoIP Calls:

App-to-App Calls:

Calls made between users of the same VoIP service (e.g., Skype-to-Skype, WhatsApp-to-WhatsApp) are usually free.
These calls are conducted over the internet, so there’s no additional charge beyond your existing internet service.

Internal Business Calls:

Within a business using a cloud-based VoIP system, calls between employees (even in different locations) are typically free.
This is because the calls are routed through the company’s internal network.

Paid VoIP Calls:

Calls to Landlines or Mobile Phones:

VoIP calls to traditional landline or mobile phone numbers usually incur charges.
Rates vary based on the service provider and the destination of the call. International calls tend to be cheaper than traditional phone services but are not free.

Service Subscription Fees:

Many VoIP providers offer subscription plans that include a bundle of minutes for landline and mobile calls, often at a lower cost than traditional phone plans.
Some plans include unlimited calling to specific regions or countries.

Pay-as-You-Go:

Some VoIP services operate on a pay-as-you-go basis, where you pay for the minutes used.

Factors Affecting Cost:

Service Provider:

Different providers have varying pricing structures and plans. For example, services like Google Voice, Skype, and Zoom offer different rates and packages.

Type of Call:

Domestic calls are usually cheaper than international calls.
Calls within the same network are often free, while calls to other networks may incur charges.

Internet Costs:

Although the VoIP service itself might be free or inexpensive, you still need to pay for a reliable internet connection.

Examples of Popular VoIP Services:

Skype:

Free app-to-app calls.
Charges for calls to landlines and mobiles based on region.

WhatsApp:

Free app-to-app calls over the internet.

Google Voice:

Free calls within the U.S. and Canada.
Competitive rates for international calls.

Zoom:

Free VoIP calls for app-to-app communication.
Subscription plans for enhanced features and calls to traditional phones.

Conclusion:

While VoIP calls can be free under certain conditions, such as app-to-app communication or internal business calls, there can be costs involved when calling traditional phone numbers or using specific service plans. Overall, VoIP services generally offer more affordable options compared to traditional phone services, especially for long-distance and international calls.

How does a cloud based phone system work

Sun, 04 Aug 2024 15:37:22 GMT

How does a cloud-based phone system work?

A cloud-based phone system, or VoIP phone system, works by using the internet to transmit voice data rather than traditional phone lines. Here's a step-by-step overview of how it operates:

1. Voice Signal Conversion:

When you speak into a VoIP-enabled device (like a VoIP phone, computer, or mobile device), your voice is converted from an analog signal into digital data.

2. Data Packet Transmission:

The digital voice data is broken down into small data packets.
These packets are sent over the internet to the recipient's phone system.

3. Routing via Cloud Server:

The data packets travel through various routers and servers on the internet.
A cloud-based PBX (Private Branch Exchange) server, hosted by the VoIP service provider, manages the routing of these calls. The PBX server directs the call to the appropriate destination based on the phone number dialed.

4. Reassembling and Conversion:

Once the data packets reach the recipient’s VoIP device, they are reassembled.
The digital data is then converted back into an analog signal that the recipient can hear.

5. Call Management:

Features such as call forwarding, voicemail, call recording, auto-attendant, and others are managed by the cloud PBX.
These features are accessible through a web-based dashboard or an app provided by the VoIP service provider.

Key Components:

VoIP Phones or Softphones:

Hardware devices that look like traditional phones but connect to the internet.
Softphones are software applications that run on computers or mobile devices, allowing them to make VoIP calls.

Internet Connection:

A stable and high-speed internet connection is crucial for good call quality.
Both broadband and fiber-optic connections are commonly used.

Cloud PBX Server:

This server is hosted by the VoIP service provider and handles all call routing, management, and feature settings.
Eliminates the need for physical PBX hardware on-premises.

SIP Trunks:

These are virtual phone lines that use the Session Initiation Protocol (SIP) to connect calls over the internet.
They replace traditional physical phone lines and can handle multiple calls simultaneously.

Advantages of Cloud-Based Phone Systems:

Cost-Effective:

Lower upfront costs and reduced expenses on maintenance and international calls.

Scalability:

Easily add or remove lines and features based on business needs.

Flexibility:

Employees can make and receive calls from any location with internet access.

Advanced Features:

Access to a wide range of features like call analytics, voicemail-to-email, and integration with other business applications.

Reliability:

Service providers offer high availability and redundancy to ensure minimal downtime.

Example Scenario:

Making a Call:

An employee in New York uses a VoIP phone to call a client in London.
The voice signal is converted to digital data and sent as packets over the internet.
The cloud PBX routes the call to the client’s phone system in London.
The client’s VoIP phone reassembles the data packets into an analog signal they can hear.

Receiving a Call:

A customer calls the company’s main number.
The cloud PBX routes the call to the appropriate department or extension based on preset rules.
The call is delivered to the employee’s VoIP phone or softphone.

Overall, cloud-based phone systems streamline communication processes, enhance flexibility, and provide businesses with robust, scalable, and cost-effective telephony solutions.

What is a cloud based phone system

Alex@CrystalVoiceData.com (Alex Gosling) — Sun, 04 Aug 2024 15:34:08 GMT

Cloud-Based Phone System: A Brief Overview

A cloud-based phone system, also known as a Voice over Internet Protocol (VoIP) phone system, leverages the internet to provide telephone services. Instead of using traditional phone lines, this system routes calls through an internet connection. Here's a breakdown of its key components and benefits:

Key Components:

VoIP (Voice over Internet Protocol):

Converts voice signals into digital data packets.
Transmits these packets over the internet.

Hosted PBX (Private Branch Exchange):

Manages call routing, extensions, voicemail, and other phone features.
Hosted in the cloud, eliminating the need for on-premises hardware.

SIP Trunking (Session Initiation Protocol):

Connects a company's on-premises phone system to the public telephone network via the internet.
Enables multiple voice and multimedia communication sessions.

Benefits:

Cost Savings:

Lower initial setup costs since there's no need for extensive hardware.
Reduced call costs, especially for long-distance and international calls.

Scalability:

Easily add or remove phone lines and extensions as needed.
Suitable for businesses of all sizes, from small startups to large enterprises.

Flexibility:

Employees can make and receive calls from anywhere with an internet connection.
Supports remote work and mobile devices.

Advanced Features:

Voicemail-to-email, call forwarding, auto-attendant, and call analytics.
Integration with other business applications like CRM systems.

Reliability and Maintenance:

Service providers handle maintenance, updates, and security.
High availability and redundancy to minimize downtime.

Unified Communications:

Combines voice, video, messaging, and conferencing into a single platform.
Enhances collaboration and communication efficiency.

Use Cases:

Remote Work: Employees can stay connected with office phone systems from home or while traveling.
Customer Service: Advanced call routing and management improve customer experience.
Small to Medium Businesses: Cost-effective solution for professional communication needs.
Enterprise Level: Scalable to accommodate large numbers of users and complex communication requirements.

Overall, a cloud-based phone system offers a modern, flexible, and cost-effective way to manage business communications.

Advantages of a cloud-based phone system

Sun, 04 Aug 2024 15:18:18 GMT

Advantages of a cloud-based phone system

In today's digital age, businesses are increasingly turning to cloud-based solutions to streamline operations and enhance efficiency. The telecommunications industry is no exception. Cloud-based phone systems, also known as Voice over Internet Protocol (VoIP), offer a myriad of benefits that can significantly impact a company's bottom line and overall performance.

Cost-Effective and Scalable

One of the most compelling advantages of a cloud-based phone system is its affordability. Unlike traditional phone systems that require substantial upfront investments in hardware, installation, and maintenance, cloud-based solutions eliminate these costs. Businesses only pay for the services they use on a monthly basis.

Additionally, cloud-based systems are highly scalable. As your business grows or shrinks, you can easily add or remove phone lines and features without the need for new hardware or complex configurations.

Enhanced Mobility and Flexibility

Cloud-based phone systems offer excellent mobility and flexibility. Employees can access their business phone number from any device with an internet connection, whether it's a desktop computer, laptop, tablet, or smartphone. This enables remote work and empowers employees to stay connected while on the go.

Moreover, these systems provide advanced features like call forwarding, voicemail-to-email, and find-me/follow-me options, allowing employees to manage calls seamlessly, regardless of their location.

Improved Productivity and Collaboration

Cloud-based phone systems are packed with features that boost productivity and collaboration. Conference calling, call recording, and integration with other business applications like CRM and email are just a few examples. These capabilities streamline workflows, improve communication, and enhance overall team efficiency.

Furthermore, many cloud-based systems offer call analytics and reporting tools that provide valuable insights into call patterns and customer behavior, enabling businesses to make data-driven decisions to optimize operations.

Disaster Recovery and Business Continuity

Traditional phone systems are vulnerable to physical damage, power outages, and natural disasters. Cloud-based phone systems mitigate these risks by providing built-in redundancy and disaster recovery capabilities. Calls can be automatically rerouted to alternative numbers or devices, ensuring minimal disruption to business operations.

Easy Deployment and Management

Setting up a cloud-based phone system is typically a straightforward process that can be completed in a matter of hours or days. There's no need for on-site installation or complex wiring. Additionally, these systems are easy to manage through a web-based interface, allowing administrators to make changes and updates with minimal effort.

In conclusion, cloud-based phone systems offer a compelling combination of cost-effectiveness, flexibility, productivity enhancements, and reliability. By embracing this technology, businesses can gain a competitive edge, improve customer satisfaction, and drive growth.

Would you like to learn more about specific features or how to choose the right cloud-based phone system for your business?

Is your business phone system outdated?

Mon, 13 May 2024 21:07:20 GMT

Is your business phone system outdated?

Are you worried about learning a new cloud-based system or you just simply don't have the time to switch?
Don't worry it's easier, simpler, and quicker than you might think.
Our experts can help and have you switched over in no time, so that you and your clients can enjoy all the added benefits of connecting with the cloud.

Contact Crystal Voice Data now for a free systems review

0333 5678 444

info@CrystalVoiceData.com

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