Compare VoIP providers and get the best deal
Compare VoIP providers and get the best deal
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Top 10 VoIP Phone Systems

The internet has revolutionised the telecoms industry, with the increase of mobile devices and cloud-based phone systems transforming the way businesses communicate.  Cloud-based VoIP solutions have quickly become a cost-effective option for all businesses looking to improve business communications. Whether you are a small start-up, an established business, or a large-scale corporation, we can help you compare the best business VoIP services. To help you find the best business telephone system, we take a look at the top 10 VoIP phone systems available today.

What is VoIP?

VoIP, which stands for Voice over Internet Protocol, is a hosted cloud-based telephone system.  It is an alternative service to a public switched telephone network (PSTN) and allows you to make calls via your internet connection to anywhere in the world. There are many terms used to describe VoIP, so you may also have heard the service referred to as voice over IP, voice over network (VoN), voice over broadband (VoB), internet telephony, IP telephony or internet calling. The best VoIP telephone systems will create a seamless communications system for businesses of all sizes, enabling businesses to reduce the cost of phone calls,  improve productivity and future proof communications.


VoIP systems are extremely flexible and quick to setup, it is even possible to integrate the service with your existing IP phones, laptops, computers and smart phones. A specialised VoIP phone looks exactly the same as standard desktop business phones, however the connection relies on your internet connection rather than a traditional phone line. There are many VoIP telephone brands and headsets available, which are often included within providers contracts.


With so many potential VoIP providers here in the UK, choosing the best VoIP system can seem like a daunting task. This is where we come in. We have taken a close look at the market and created our list of the top 10 VoIP phone systems. We take a look at everything you need to know about the top rated VoIP providers, whether you are looking for excellent analytic tools, low cost hardware, or great features for remote workers, we have you covered.

BT logo

1. BT

No1 on our list of the top 10 VoIP phone systems is BT. BT is a leading VoIP provider here in the UK, although it also provides its services to more than 180 countries around the world. As a household name, BT VoIP phone solutions are popular with every business type.

The cloud-based VoIP phone system offers agility, flexibility, and excellent call-management functionality. There are three cloud-telephone systems available, BT Cloud Phone, BT Cloud Voice and BT One Phone. These scalable solutions are ideal for businesses which need to expand their telephone systems.

The various plans offer versatile solutions which are capable of supporting anything from 1 to over 500 users. The features include:

  1. Video conferencing
  2. Virtual geographic numbers
  3. Automatic updates
  4. Call forwarding
  5. Voicemail
  6. Call monitoring
  7. CRM recognition
  8. Management portal
  9. Internal messenger system.
Gamma logo

2. Gamma

No2 on our list of the top 10 VoIP phone systems is Gamma. Gamma is a leading telecoms provider here in the UK, with a focus on combining cutting-edge telephony with mobile-first communication. This VoIP provider offers a reliable solution, with great customer service and competitive pricing. As a standalone network carrier, Gamma offers small, medium-sized, and large businesses cutting edge telephony systems.

The Gamma VoIP service uses physical IP business telephones combined with a cloud-hosted service, known as Horizon Cloud PBX. This is a complete business phone system, which provides extensive mobile and fixed telephony support, with an easy-to-use online portal.

There are a variety of business-focused features available with an emphasis on improving productivity, call-quality, scalability, and control, including:

  1. Collaborative calls
  2. Internal and external call transfer
  3. Call waiting
  4. Auto-attendant
  5. Call menu options
  6. Call recording
  7. Voicemail forwarding
Cisco logo

3. Cisco

No3 on our list of the top 10 VoIP phone systems is Cisco. Cisco is a provider with decades of experience and a reputation for delivering some of the most popular VoIP phone systems. They offer a range of business ready VoIP solutions, which can be easily configured for businesses with multiple locations and thousands of employees. However, the systems are designed to support businesses of every size thanks to the range of potential systems available.

In general, all Cisco phone systems offer an almost endless list of useful features, including:

  1. Call recording
  2. Video conferencing
  3. IVR
  4. Digital whiteboards
  5. HD video collaboration
  6. Call waiting
  7. Call control platform

However, the feature which really stats out is the Intelligent Proximity for Mobile Voice service. This is a cutting-edge feature which activates when in close proximity to mobile devices, making it ideal for remote workers, which require flexibility between devices.

Mitel logo

4. Mitel

No4 on our list of the top 10 VoIP phone systems is Mitel. The Mitel cloud-based VoIP systems are designed to improve business information flow via excellent collaboration and conferencing tools. This provider is currently the fastest growing global cloud communications provider, with more than 70 million customers worldwide.

MiCloud is the providers primary cloud-based VoIP product, with a basic MiCloud Connect package and a more customisable MiCloud Flex option available. The MiCloud Flex system is ideal for larger enterprises, with features including:

  1. Advanced collaboration tools
  2. Single number reach
  3. Track sales via contact centre tools
  4. Access service level analytics
  5. Audio and video conferencing
  6. Instant messaging
  7. Ability to carry a local number to any location
  8. Auto attendant
LG Logo

5. LG

No5 on our list of the top 10 VoIP phone systems is LG. The LG iPECS cloud-based system allows users to collaborate and communicate via mobile and desktop phones, which is ideal for businesses with workers outside of the office. LG’s cloud handsets are known for being cost-effective, feature-rich, and capable of supporting the needs of businesses of all sizes.

The LG IP telephone system can support anything from 2 users to 2400 users across multiple sites, without compromising on call quality. All LG VoIP systems offer features such as:

  1. Mobile device integration
  2. Conference bridging
  3. Voicemail to email support
  4. Call reporting
  5. Call recording
  6. Text messaging support

If you have read enough and are sure that a VoIP system is the best option for your business, simply complete our quick online form and we will find you bespoke VoIP quotes in just 60 seconds.

RingCentral logo

6. Ring Central

RingCentral is one of the global leaders in cloud communications, with more than 350,000 business customers worldwide. There are a variety of affordable VoIP packages available, which will suit businesses with even the smallest budget.

However, it is the innovative platform which integrates with a variety of leading business apps, such as Salesforce, Microsoft, and Google, that attracts most businesses. The VoIP system known as RingCentral Office, allow users to connect anytime from anywhere via mobile and desktop apps.

Their cloud-based system offers useful features such as:

  1. Team messaging
  2. Video conferencing
  3. Auto-receptionist
  4. Analytics
  5. IVR
  6. Connection via mobile and desktop applications
  7. Online faxing
  8. App integration
  9. 24/7 customer support
  10. Local number support
  11. Voicemail to test
  12. Call recording
8 x 8 logo

7. 8x8

The 8×8 VoIP solution is popular with businesses of all sizes, with a range of packages available tailored to small, medium, and large sized businesses. Over the years the company has won many high-profile awards, including the Gartner award for Unified Communications as a Service.

The patented solution is designed to offer users with seamless call management supported by real-time analytics for constant service improvement. If you are looking for an easy-to use cloud-based VoIP system, 8×8 offers a scalable and efficient solution.

This global cloud-based communications provider offers a VoIP system known as Virtual Office, which offers a variety features including:

  1. Customer service tools
  2. Video conferencing functionality
  3. HD voice quality
  4. Auto attendant
  5. Voicemail
  6. Call queues
  7. Analytics
  8. Auto attendant
  9. Call recording
  10. Mobile and desktop app support
  11. Analytics tools
Vonage Business logo

8. Vonage

Vonage have more than 2 million customers around the world thanks to their flexible VoIP solutions, with no contractual obligations. The core VoIP phone packages are available at three levels, designed to meet the needs of small businesses, offices with less than 30 employees and larger businesses.

Vonage UK headquarters are located in London, where the business tech support team offers 24/7 support. In terms of the VoIP phone system, there are more than 40 call features available, making it one of the most comprehensive services available. However, the most popular features are:

  1. Call handling features
  2. Unlimited call recording storage
  3. Incoming call distribution
  4. Extensions for multiple devices
  5. Conference calling
  6. UK area codes or existing number porting
  7. Flexible, remote worker tools
Focus Group

9. Focus Group

Focus Group is an award-winning company which specialise in VoIP business telephone systems. Since the company launched in the UK in 2005 it has grown rapidly, with a variety of web-based products available including cloud-based VoIP solutions and IP PBX business telephones.

The unified communications solution offered is known as Horizon, and it is suitable for businesses of all sizes. Their simple to use web portal is ideal for businesses with multiple sites and off-site employees, which need to ensure business continuity and efficiency.

Key features available via Horizon include:

  1. Call recording
  2. Administrator interface
  3. Auto attendant
  4. Call parking
  5. Group calling
  6. Call recording
  7. Call forwarding with diversion inhibitor
  8. Automatic call back
  9. Voicemail
  10. One number for all locations
Freshcaller logo

10. Freshcaller

If you are looking for a VoIP phone solution which supports multiple connections, such as those found in busy call centres, Freshcaller is a great option and their service is a popular choice for customer support-based offices, thanks to the full featured bespoke cloud VoIP capabilities.

Their VoIP service is created specifically with call centres in mind, with features designed to support sales, marketing, and customer service requirements. Also, the Freshcaller VoIP Dashboard offers clear, practical, and useful feature management with a range of package tiers available to suit every budget. Businesses can access features such as:

  1. Custom reporting
  2. Conference calling
  3. Analytics
  4. Call routing
  5. Service level monitoring
  6. Voicemail
  7. IVR
  8. Call recording

Compare VoIP providers UK wide today!

Every business is different, which means your VoIP requirements are likely to be different to neighbouring businesses. Comparing VoIP solutions will help your business reduce costs, improve efficiency, and achieve your business goals. We have partnered with the best UK VoIP providers, so your business can access the best VoIP phones and services at the best possible price.

Instead of spending hours comparing multiple deals we can help you find the best solution for your specific requirements. Simply complete our quick online form and we will compare the market to find you the best VoIP provider quotes. Our service is completely free of charge with absolutely no-obligations.

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