What our customers say

Business Phone Systems

As a leading supplier of Business Phone Systems in the UK we know that in today’s competitive environment, the ability to effectively connect with customers through the latest SIP and VoIP technology is critical.

Modern Office Phone Systems need to offer effective methods of collaborating with colleagues and clients to deliver exceptional levels of customer service, improve business efficiency and increase profit.

With solutions for small office phone systems through to multi-site enterprise business telephone systems, we have the best phone system to fit every organisation.  Choose from the leading suppliers on the market with the latest Mitel Phone System or Panasonic Phone System installed and maintained by our own in house engineers.

Business Phone Systems - Mitel


Cloud Phone Systems

What do you get with a Cloud Phone System from Cavendish?

    • A choice from the top three Cloud Phone Systems on the market.
    • A communication system that the modern employee expects.
    • Enhanced productivity and Innovation.
    • Collaboration enabling information sharing.
    • Connection across multiple devices providing presence and availability.
    • Great customer service and support.

Check out our Cloud Phone Systems pages and find out why you should consider moving to the cloud.

Business Phone Systems & Broadband from Cavendish

Business Broadband Services

Business Broadband

Cavendish specialises in providing fast and reliable Business Broadband from ADSL2 to Fibre to the Cabinet (FTTC) or Fibre to the Premises (FTTP).

In addition, with the need for higher speeds and a dedicated internet connection we are seeing more customers installing Private Fibre Ethernet Circuits.

All of our Business Broadband including Fibre Broadband come with unlimited data usage and can be tailored to suit specific needs to optimise voice, video and data requirements including SIP Trunking.  All our business phone systems are now deployed with voice traffic being routed across data networks so the quality of the internet access and expertise to deploy integrated services is paramount.

Business Mobiles

Mobile fleet management with personalised service and support.

Multiple networks on one bill, flexible sim only contracts.

World-class service and support for your business mobiles.

Business Mobiles

Business Office WiFi

Business WiFi

Our Business WiFi solution can be deployed in every organisation small or large.  With everyone needing internet access on all their devices throughout the office, high quality and reliable WiFi is a crucial business requirement.

Cavendish provides a fully managed solution paid on a monthly subscription, per access point, with no upfront costs.  Our service is wired in using structured cabling to ensure quality and provides a fully meshed solution which enables fast roaming without re authentication.  That means you can move around your office using voice or video applications without losing connection.

Business Phone Lines

Save money and enjoy superior support for your existing Business Phone Lines. Our experienced team will ensure a smooth and seamless transition to our billing platform, planned and project managed through our established migration process.

Cloud Phone Systems

Structured Cabling

Structured Cabling

Cavendish is a leading provider of structured cabling in the South East and has an excellent reputation for quality provision second to none.  Cavendish works very closely with the local public sector organisations providing  cabling to many Schools in Sussex and the South East, Local Government, Sussex Police and The National Health Service.

If you are moving to new premises or updating your existing business phone systems it is important to ensure you have the necessary standard of cabling and a highly qualified team to deploy it.

IT Support

Cavendish offers competitive IT support services, including server management, monitoring and general day to day support.

We believe Cavendish can offer a comprehensive, proactive approach to your IT support while working together to offer advice and training for you and your staff on how to make the most of your systems.

We will manage the migration including all necessary consultancy FOC to bring you on-board with Cavendish IT Services, including addressing any minor issues we find along the way.

IT for businesses

Some of the industry sectors we support

Take a look at our tips and advice below or simply give us a call on 0800 206 2107

phone system for hotels


Phone system for hospitals


phone system for lawyers


phone systems for schools


Business Phone Systems - Moving office

Moving your Phone System

Adjust to the changing needs of your organisation.

Moving Offices
Adding Offices

Business Phone Systems - Updating Technology

Renew your Phone System

Enhance productivity and future proof your communications.

System Replacement
Adding Applications
Reducing Costs

Business Phone Systems - Excellent Customer Service

Support your Phone System

Enjoy superior support and a single point of contact.

Better Service
Switching Suppliers
Single Supplier

Why choose Cavendish Communications?

Cavendish Communications provides the full range of telecoms solutions to meet the needs of any modern business from cabling to business phone systems & business broadband.

Since 1990, we have built a strong reputation for superior customer service and are very proud to support over 2500 organisations in both the public and private sector.

Business Phone Systems from Cavendish based in Sussex