Derby • Business Phone Systems & VoIP

Business Phone Systems Derby
Hosted VoIP, Cloud PBX & SIP for Derby & Derbyshire

T2K Voice & Data supplies business phone systems in Derby, from professional and financial firms at Pride Park and in the city centre to aerospace and rail engineering suppliers around Sinfin and Infinity Park, and logistics businesses along Raynesway and the A50. We're a UK-based telecoms provider with 35+ years' experience, serving customers across the country. We set up Gamma Horizon, 3CX, Mitel and three other VoIP platforms remotely, and your 01332 numbers come with you.

Keep Your 01332 Numbers
Remote Setup, Site Visits When Needed
35+ Years UK Experience
🐏
Derby
Derbyshire
274,000
Population (2024)
6
Platforms Supported
35+
Years in Telecoms
Local Dialling Code
01332
Derby · T2K Voice & Data

Derby Business Telephone Systems, Set Up Remotely

As an independent, UK-based provider serving customers across the country, T2K Voice & Data supports plenty of businesses in Derby without needing to be on the doorstep. Platforms are set up centrally, handsets arrive pre-configured and 01332 numbers move across through the network, so most Derby installations happen without a visit. Where one is needed, such as factory DECT, we agree it before you sign.

We supply the full telecoms stack for Derby businesses: cloud phone systems, on-premise PBX, SIP trunks, Microsoft Teams calling, business broadband, leased lines and mobiles, on one contract with one support line.

35+
Years in UK Telecoms
4.9/5
Rated on Google
6
Platforms — Vendor Agnostic
Talk to a Specialist About Your Derby Business →
Derby Business

Derby's Business Landscape & What It Needs from a Phone System

Derby has one of the UK's biggest concentrations of advanced manufacturing jobs, centred on aerospace, rail and automotive engineering and the supply chains around them. Professional services cluster at Pride Park and in the city centre, with logistics along the A50 and the outer ring road.

Engineering suppliers usually run shift patterns and several buildings, so they need paging, rugged DECT handsets and ring groups that reach the shop floor. Many still run older PBX systems on ISDN that need a planned replacement.

Professional firms at Pride Park need call recording and consistent caller ID, while logistics businesses need calls that follow transport staff. Moving off ISDN or analogue lines follows the same steps for all.

Local Numbers

Keep Your Derby 01332 Number — VoIP or Mobile

Every Derby 01332 number can move to a VoIP phone system or divert straight to a mobile, so customers keep calling the number they already know.

01332 XXX XXX
Derby Geographic Number

01332 Numbers Work with VoIP or Mobile Divert

Switching to a hosted platform such as Gamma Horizon or 3CX, or simply diverting calls to a mobile? Either way your 01332 number moves with you, and we manage the port so there's no break in service.

  • Keep your existing Derby 01332 number
  • Port to any VoIP platform (Horizon, 3CX, Mitel, etc.) or divert to mobile
  • No gap in service during the switch
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Systems

Business Phone Systems We Supply in Derby

We work with six business telephone system platforms, from fully hosted VoIP to on-premise PBX, and recommend what suits your sites and shifts for Derby firms rather than pushing one vendor.

HZN
Gamma Horizon
Best for: Derby SMEs (5–500 users)

The UK's most widely used hosted phone system, on Gamma's own UK network. A safe choice for Derby offices that want cloud telephony with nothing to maintain.

  • Hosted cloud — zero on-site hardware
  • Keep your Derby 01332 numbers
  • Microsoft Teams integration available
3CX
3CX
Best for: CRM Integration & Control

A software IP PBX with deep CRM integration, popular with Derby sales and service teams. T2K Voice & Data is a 3CX Titanium Partner.

  • Native CRM integration (50+ platforms)
  • Cloud, on-prem, or hybrid deployment
  • Video conferencing included
MITEL
Mitel MiVoice Business
Best for: Engineering & Multi-Site Groups

An enterprise unified communications platform for larger Derbyshire organisations, including engineering suppliers needing on-premise control and resilience. T2K has decades of Mitel experience.

  • Multi-site unified communications
  • Enterprise contact centre capabilities
  • Resilient architecture
WBX
Gamma Webex
Best for: Hybrid & Project Teams

Cisco Webex calling, meetings and messaging over Gamma's UK carrier network. Suits engineering project teams working across sites.

  • Video-first unified communications
  • Cisco Webex platform quality
  • Gamma UK carrier delivery
PL+
Phoneline+
Best for: Simplest PSTN Replacement

The simplest way to move a Derby shop, workshop or small office off traditional analogue lines. Keep your 01332 number and existing handset, with no new hardware.

  • No new hardware — use existing phones
  • Lowest-cost PSTN replacement
  • Keep your Derby 01332 number
FLOW
Voiceflex Flow
Best for: UCaaS, CRM & Teams integration

A flexible UCaaS platform with calls, messaging and meetings in one app. A good match for Derby firms on Microsoft 365.

  • Native Microsoft Teams integration
  • Advanced routing with ACD and IVR
  • Integrates seamlessly with major CRMs
Not sure which system fits your Derby business? T2K Voice & Data offers free consultations with no sales pressure. We'll review your setup and give you an honest recommendation.
Free tool
Not sure which phone system is right for you?
Answer 7 quick questions about your business and our phone system finder will match you against all six systems T2K Voice & Data provides — returning a ranked recommendation in under two minutes.
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Takes under 2 minutes · Free to use
FAQ

Business Phone Systems & VoIP in Derby — Frequently Asked Questions

Questions we regularly hear from Derby businesses comparing VoIP providers and phone systems.

Can I keep my Derby 01332 phone numbers when switching to VoIP?
Yes. Any 01332 number can be ported to a VoIP phone system with no gap in service. T2K Voice & Data manages the porting for you, whichever platform you choose.
Do you provide on-site support for Derby businesses?
Most Derby phone systems are installed and supported remotely, and most faults are fixed over a remote session. Where a visit is genuinely needed, such as factory DECT or an on-premise PBX, we plan it with you and confirm it before you sign.
How much does a business phone system cost in Derby?
For most Derby SMEs with 5–50 users, hosted platforms such as Gamma Horizon or 3CX cost around £10–£20 per user per month. Engineering groups and larger organisations usually suit Mitel or 3CX on custom pricing. Every quote is itemised, with no hidden fees.
How long does a VoIP migration take for a Derby business?
Timescales depend on size: most single-site Derby businesses are live within a couple of weeks, multi-site rollouts within 4–8 weeks. We plan the cutover for evenings or weekends.
Can you replace an old PBX at a Derby manufacturing site?
Yes. We replace ageing on-premise PBX systems with hosted VoIP, 3CX or Mitel, keeping extensions and call routing so staff barely notice. Paging and rugged DECT handsets carry over to the new platform.
Do Derby businesses need to replace analogue and ISDN phone lines?
Yes. The UK's traditional PSTN and ISDN network is being retired by Openreach, including every exchange in Derby and Derbyshire. Any business still using analogue lines, ISDN2 or ISDN30 will need VoIP, SIP trunks or a digital line in their place. Check where your lines stand with our PSTN switch-off checker.
Coverage Area

Derby Postcodes We Serve

We supply business phone systems and VoIP across every DE postcode district, covering Derby, Burton upon Trent, Swadlincote, Belper, Ilkeston and the Derbyshire Dales. Expand a group below to find your area.

Derby City & Inner Suburbs DE1, DE3, DE21 – DE24 ›
DE1City Centre
DE3Mickleover & Littleover
DE21Chaddesden & Oakwood
DE22Allestree & Darley Abbey
DE23Normanton & Littleover
DE24Pride Park, Alvaston & Sinfin
Outer Derby & East Midlands Airport DE65, DE72 – DE74 ›
DE65Hilton & Etwall
DE72Borrowash & Draycott
DE73Chellaston & Melbourne
DE74Castle Donington & Kegworth
Burton upon Trent & Swadlincote DE11 – DE15 ›
DE11Swadlincote
DE12Measham
DE13Barton-under-Needwood
DE14Burton upon Trent
DE15Stapenhill
Amber Valley & Erewash DE5, DE7, DE55 – DE56, DE75 ›
DE5Ripley
DE7Ilkeston
DE55Alfreton
DE56Belper
DE75Heanor
Matlock, Bakewell & Derbyshire Dales DE4, DE6, DE45 ›
DE4Matlock
DE6Ashbourne
DE45Bakewell

Not seeing your postcode? Get in touch — we serve customers right across the UK.

Nearby Areas

Derby Business Districts & Nearby Cities

We have dedicated pages for three Derby business districts, and supply phone systems across the East Midlands. Distances are straight-line from Derby city centre.

Ready to Upgrade Your Derby Business Phone System?

Talk to T2K Voice & Data about business phone systems and VoIP for your Derby business. Keep your 01332 numbers, cut over out of hours, and get honest advice from a UK team with 35+ years in telecoms.

📞 Call us on 0808 202 3200 — Mon–Fri, 9am–5pm