Best VoIP Phone Systems

Best VoIP phone systems

By Aimee Bradshaw | Writer and researcher | Published: 5 November 2019

Find out who supplies the best VoIP phone system for your business

Choosing the best VoIP phone system for your business requires more than just a simple browse of the internet. With hardware and software differing from supplier to supplier, conducting proper research is essential.

If you don’t, you may find that the product you’re on the verge of buying may not be the right fit for your business after all.

All of the suppliers that we’ve placed in our list of the best VoIP phone systems are great for those looking to prioritize a specific need. It could be that you require a package tailored to small businesses, or maybe you’d prefer a supplier that’s experienced in handling the installation of large enterprise VoIP phone systems.

In the next section, we’ve provided you with our pick of the top five VoIP phone solutions. Alternatively, skip to our brief guide to buying the best VoIP phone system if you would like more information.

The Best VoIP Phone Systems

Overall, the best VoIP phone systems are supplied by 8×8, GoTo, FreePBX, Vonage, and RingCentral.

Here’s what they do best:

SupplierBest For
8×8Small businesses
GoToSoftphone technology
FreePBXCustomized VoIP software
VonageEnterprise businesses
RingCentralCall center software


Best VoIP phone system for small businesses

8×8’s recently released X Series VoIP packages have been specifically designed with small businesses in mind. The 8×8 Express package starts at just $12 per user per month, and includes features like unlimited calling within the US and Canada, an auto-attendant, and G Suite and Office 365 integration. Best of all, this software package is compatible with a range of plug-in-and-play deskphones, including the Yealink SIP-T40G VoIP phone, which starts at just $73.

2. GoTo

Best VoIP phone system with a softphone app

GoTo’s sophisticated app turns a mobile phone, tablet, or PC into a VoIP phone system. Pricing depends on the size of your team: for example, businesses with 50+ users can expect to pay just $19.95 per user, per month, while those with only one to four users will pay $29.95 per user, per month. While a touch more expensive than 8×8, you do gain unlimited access to all of GoTo’s features, including extension dialling, call hold and unhold, call history, location-based call rules, and chat/SMS. And perhaps the biggest reason to invest? You can make international calls to 52 countries for free.

3. FreePBX

Best customizable VoIP phone system

FreePBX is an example of open source VoIP software. This means developers can go in and customize bits of code to tailor the VoIP software to your exact needs. Providing your CRM software has an open API (think of this as an open-ended puzzle piece), you can connect it to your FreeBPX system. FreePBX supplies its software for free, but you’ll need to choose from one of its hosting partners when it comes to making calls and storing data. Hosting starts at $19.99/month for 1-10 users, going up to $129/month for 200+ users.

4. Vonage

Best VoIP phone system for enterprise businesses

Vonage offers a whole host of VoIP technology for enterprise businesses, including SD-WAN, which prioritizes call and video data over internet data to ensure your calls are always high quality. In addition to that, Vonage guarantees an average uptime of 99.99%, integration into cloud-based systems such as CRM, and multi-channel conversation. And with industry-tailored solutions, it’s no wonder Vonage doesn’t provide fixed pricing information on its website.

5. RingCentral

Best VoIP phone system for contact centers

RingCentral’s contact center software features all the tools you need to run effective customer communications. Omni-channel customer routing means agents can use phone, email, and SMS to speak to customers. RingCentral also provides you with agent management tools to promote peak performance, and the ability to generate in-depth reports and customer surveys. There are three packages to choose from, but you’ll need to contact RingCentral directly for a price.

Expert Verdict

It’s great to know that no matter the size or the needs of your business, there is a suitable VoIP phone system out there – it’s just finding it that’s the hard part. While our list of the best VoIP phone systems covers a range of requirements, it’s by no means exhaustive, and you may find that the best way to discover the right phone system for your business is to talk directly with a sales representative.

Our comparison tool provides you with a quick and easy way to get in touch with VoIP phone system suppliers. All you need to do is tell us your business needs, and our system will match you with the best VoIP phone providers that meet your requirements. Representatives from each company will then get in touch with you to discuss their phone system in more detail, and provide you with a customized quote.

Answer a few questions to be matched with top VoIP suppliers, who'll provide quotes tailored to you Get free quotes

A Guide to Buying the Best VoIP Phone System

Deciding on the best VoIP phone system for your business is no easy task. Take a look at the following statements for advice on how to find a VoIP phone system that matches your business’ needs…

“I am a small business”

Firstly, think about how many features you need. There are plenty of VoIP suppliers that will offer you a package that promises the earth – but half the features you end up paying for will probably go unused. Look for a VoIP supplier that offers packages that are tailored to small businesses. One of the main stars is 8×8, whose X Series is one of the best VoIP phone systems for those who need a no-frills package.

“I don’t want to spend a fortune”

A VoIP phone system doesn’t have to be expensive. You could even use your mobile phone, tablet, or computer as a phone handset, removing the need for any type of hardware investment. How does this work? Many VoIP providers offer a softphone app, which turns your preferred device into a fully functioning VoIP system. GoTo offers one of the most feature-rich softphone apps out there.

“I want to design my own VoIP phone system”

Whether it’s customer relationship management software, booking software, or even field service software, open source VoIP systems allow you to integrate a number of programs so your business platforms are completely unified. You’ll have the ability to customize the code, so your software platform meets your exact requirements. And although you’ll need to pay a tech team to put in the hours, software packages like FreePBX don’t cost a dime to buy.

“I want a VoIP phone system that can handle large-scale operations”

Lots of VoIP providers offer specialist enterprise packages that include all the advanced tools that you need to create a sophisticated unified communications system. Some providers, such as Vonage, include advanced technology like SD-WAN, which prioritises bandwidth to important calls and videos, meaning you’ll never have to worry about battling your way through a bad quality conversation.

“I’m looking for a VoIP package for my sales department”

When it comes to creating an effective contact center, your software makes all the difference. Call center VoIP software from the likes of RingCentral allows you to communicate with your customers in whichever way they prefer. It also integrates with CRM systems, giving you the freedom to access and store data in the most convenient way for your business.

Aimee profile image
Aimee Bradshaw Writer and researcher

Aimee is Expert Market’s resident telephone systems and point of sale go-to. If she’s not writing about business products, you’ll find her daydreaming about dog walking on Dorset beaches.