Future‑Ready Voice Services for Your Business

Switch to reliable, flexible digital voice services that keep your business connected, wherever your people work. From simple single‑line solutions to advanced SIP trunking and PBX systems, Chess helps you prepare for the Great British Switch Off and move confidently to an all‑IP future.

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Don’t Let Poor Voice Connectivity Hold Your Business Back

When your phone system fails, so does your customer experience. Missed calls, dropped lines and outages can lead to lost sales, damaged reputation and reduced team productivity.

Common business challenges:

  • Missed customer calls lead to lost opportunities
  • Legacy phone lines becoming expensive to maintain
  • Systems not ready for the 2027 PSTN Switch Off
  • Restricted working from home or remote locations
  • Difficult to scale or add users
  • Unpredictable call costs and outdated hardware

Talk to Us About Fixing Your Voice Challenges

67% of small businesses say missed customer calls have a direct financial impact, highlighting the importance of reliable voice services.

Ofcom Small Business Connectivity Report

Voice Solutions Built for Every Business

Choose from our range of digital voice services designed to reduce costs, improve reliability and help you work better together. Whether you need a simple digital phone line, a hosted alternative to ISDN, or a feature‑rich PBX system, we provide solutions that grow with you. All supported by Chess experts to keep your organisation connected and ready for the future.

SIP Trunking

Scalable, cost‑effective voice calling over your internet connection.

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On‑Premise PBX

A feature‑rich phone system hosted in your building for full control and flexibility.

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Cloud Voice Express

A simple digital phone service for single‑line users, freelancers and small sites.

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Call Divert Services

Instant call forwarding to keep you reachable wherever you are.

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SIP Trunks – A Flexible, Low‑Cost Alternative to ISDN

SIP trunking uses your internet connection to make and receive calls, helping you cut line rental costs and prepare for the PSTN Switch Off. It gives you flexibility to work from anywhere, allows easy number porting and integrates with your existing PBX system.

Best for:

  • Businesses with an existing PBX
  • Organisations preparing for ISDN switch‑off
  • Multi‑site businesses needing scalable voice capacity
  • Teams working from multiple locations

Benefits:

  • Lower call costs and line rentals
  • Quick call divert options for business continuity
  • No extra hardware required
  • Keep your existing number ranges
  • Supports remote and hybrid working
  • Grows easily with your organisation

Find Out How SIP can Reduce Your Costs

On‑Premise PBX – Total Control of Your Phone System

An on‑premise PBX gives you a secure, feature‑rich system located within your building. Ideal if you want predictable investment, no reliance on cloud connectivity and complete control over devices and integrations.

Best for:

  • Medium and large organisations
  • Businesses with specialist telephony requirements
  • Environments needing robust local connectivity
  • Organisations protecting previous hardware investment

Benefits:

  • Feature‑rich and customisable
  • Easy to integrate with door entry, paging and hotel systems
  • Supports expansion to multiple sites
  • Flexible financing and leasing options
  • Maintains investment in existing handsets

Explore On‑Premise PBX Options

Cloud Voice Express – Simple Digital Phone Service for Small Businesses

A straightforward single‑line digital phone service for freelancers, sole traders and small sites. Make and receive calls on mobile or desk phones through an easy app and portal. Ideal for migrating away from PSTN lines.

Best for:

  • Sole traders
  • Freelancers
  • Home workers
  • Single‑site small businesses

Benefits:

  • Digital and future‑proof
  • Mobile and desk phone calling
  • Simple to manage via app or online portal
  • Keep your existing number
  • Works even if the main site goes down
  • Voicemail included

Upgrade Your Single Phone Line Today

Call Divert – Never Miss a Customer Call Again

Ensure your customers can always reach you by diverting calls to mobiles, other sites or overflow teams. Ideal for holiday cover, hybrid workers or unexpected outages.

Best for:

  • Businesses needing quick failover
  • Field-based teams
  • Organisations offering out‑of‑hours support
  • Small businesses without a receptionist

Benefits:

  • Instant routing changes
  • Keep customers connected during outages
  • Supports mobile and remote staff
  • Easy to manage online

Set Up Call Diverting Today

Compare Our Voice Solutions

See which option best fits your organisation and future plans.

Feature/ Product SIP Trunking On-Premise PBX Cloud Voice Express Call Divert
Future-Proof for PSTN Switch Off ✓ ✓ (with SIP) ✓ ✓
Best for Existing PBX users Medium/ large offices Sole traders/small sites All businesses
Hardware required No Yes Optional No
Scalability High Medium-High Low-Medium High
Work-from-anywhere ✓ ✓ (with apps) ✓ ✓
Cost efficiency High Medium High High

Need help choosing the right service?

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Making IT Work For You

Chess is one of the UK’s leading independent and trusted technology service providers, employing more than 240 skilled people across the UK, supporting over 18,000 organisations.

We believe IT should work for you, reduce costs, deliver efficiency, keep you secure, enhance your work-life balance, improving performance. At Chess, we’re passionate about our unique culture and our continuous investment in our people to be industry experts.

We’re extremely proud that our people voted us No.1 in ‘The Sunday Times 100 Best Companies to Work for’ list 2018, and we continue to celebrate more than 17 years in the top 100.

Frequently asked questions

SIP trunking uses the internet to make and receive calls, replacing traditional phone lines. It is ideal for businesses preparing for the PSTN Switch Off.

An on‑premise PBX is a phone system installed in your building. It provides full control, a wide range of features and easy integration with local hardware.

Cloud Voice Express is a simple, single‑line digital phone service for small businesses, freelancers and sole traders. It lets you make and take calls on mobiles or desk phones.

No additional hardware is required if you already have a compatible PBX. This makes SIP a cost‑effective replacement for ISDN.

SoGEA is broadband without a phone line. It is ideal for digital voice services and helps businesses prepare for the 2027 PSTN Switch Off.

Yes. All our services support number porting, so you can keep your geographical or non‑geographical numbers.

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Please fill in the form and one of our experts will get in touch to explore how we can help your business work smarter and achieve more.