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10 Best Business VoIP Providers 2019

May 9, 2019

11:15 am

VoIP stands for Voice Over Internet Protocol, and eschews the traditional landline and network in favor of utilizing the internet and ‘cloud' for making and receiving phone and video calls. There are many benefits to VoIP, which is why most businesses have already made the switch, saving money and time by introducing VoIP communication.

With VoIP, the setup and running costs can be one of the key benefits over traditional phone line systems. When comparing VoIP costs, however, it's important to understand the likely pricing of the setup needed for your business, however. The best VoIP providers will tailor costs to your needs and scale.

To get an idea of likely VoIP costs for your business, we recommend trying our Simple VoIP Cost Comparison Tool. It only takes a moment to fill out, and can serve you with tailored, comparable price quotes from some of the best providers in the industry.

Keen to know who the big VoIP brands are? Below, we list the top ten VoIP providers for business.

Best VoIP Providers

Every business is different- but to save you time, the table below shows the top 5 VoIP providers that suit most businesses.
Keep scrolling for a more in depth comparison covering 10 of the best VoIP providers for business: We've reviewed all the most popular VoIP companies, pinpointing the top pros and cons based on our extensive Tech.Co research covering features, pricing, reputation and more.

We think RingCentral is the best VoIP company for most users, thanks to its ease of setup and scaling, advanced functions, flexible integrations, and fair price. The best VoIP companies should always operate seamlessly, be easy to learn and use, and quickly connect any caller.

VoIP ProviderPrice FromOur RatingCore BenefitCompare
RingCentral Logo$19.995 starsVery easy to set up and scale as necessaryget-quote-button-green
nextiva business phone provider logo small$19.955 stars Unlimited Calls in U.S. & Canadacompare-now-button-white
8x8-Logo$255 starsOption of unlimited or global extensionsget-quote-button-green
Vonage Business Logo$19.995 stars 2.4 million worldwide customerscompare-now-button-white
Mitel LogoOn Request5 starsPhones and hosting service integratedget-quote-button-green

Top 10 VoIP Providers

We've researched the best VoIP providers, taking into account the range of options and features, scalability and pricing to bring you the top ten VoIP providers for business, whether you're a small start up or a huge corporation.

    1. RingCentral
    2. Nextiva
    3. 8×8
    4. Vonage Business Solutions
    5. Mitel
    6. Jive
    7. 3CX
    8. Avaya
    9. VirtualPBX
    10. Net2Phone

Compare VoIP Costs with Tailored Quotes for Your Business

ringcentral logo small Ring Central

Editor Rating: 5 stars

Price (per user/per month): $19.99 – $49.99

Deployment Options: Hosted (Cloud)

RingCentral Office offers several cloud-based plans, depending on your business’ demands.

RingCentral is used by over 300,000 businesses, and offers its own set of competitive plans. Indeed, its middle-tier premium package comes with 2,500 toll-free minutes per month and allows up to 25 people to participate in HD video conferencing.

Their Standard plan covers up to 19 users for $24.99 per user/per month, includes 1,000 toll-free minutes, a mobile app, a call management interface, and many more features.


  • Over 300,000 Customers
  • Includes Voice, Fax, SMS & HD Meetings
  • Very easy to set up and scale as necessary

Key Features

  • Auto Attendant, Group Calling, Call Queue functions
  • Free setup, money-back guarantee
  • Integrate with popular software and CRM platforms, including Outlook, Box and Sales Force


One of the most popular VoIP providers for small and medium-sized businesses, with well-designed software interfaces for every type of connected device, and advanced functionality without the hefty pricetag.


Editor Rating: 5 stars

Price (per user/per month): $19.95 – $29.95

Deployment Options: Hosted (Cloud)

Nextiva offers three price plans, these are the – Office Pro, Office Pro Plus and Office Enterprise and all have been designed to meet your business needs.

The Office Pro Plus plan at $22.95 per line per month includes voicemail to text or email, unlimited calling and advanced call management.

Like other VoIP providers, Nextiva is a cloud-based service whose clients span small to large businesses.

Its 3 major plans for businesses range between $20 – $30 per month, and include cloud-hosting, voicemail-to-email services, and free local calls.


  • 100,000 customers
  • Unlimited calling in US and Canada
  • Simple set up

Key Features

  • Mobile app
  • HD voice
  • Auto attendant
  • Call recording


Nextiva claims to be focused on aiding the communications process of small to medium sized businesses. This is done by offering affordable solutions that include advanced features helping the company to win more than 30 independent telephone and technology awards over the years.


Editor Rating: 5 stars

Price (per user/per month): $25 – $55

Deployment Options: Hosted (Cloud)

8×8 offer two price plans for business solutions – Virtual Office and Virtual Office Pro. These packages different in the types of features offered and overall size of your phone systems.

Virtual Office includes a custom mobile app, unlimited calling, and business app integration and is suitable for most small to medium sized businesses.


  • 40,000 customers
  • Options of metered, unlimited or global extensions
  • Integration features

Key Features

  • Presence
  • Web conferencing
  • Call recording
  • Internet fax
  • Instant messaging
  • Online call management


8×8 offers two feature rich business solutions that can enhance collaboration, conference and improve mobility all at affordable prices.

Vonage Business Solutions

Editor Rating: 5 stars

Price (per user/per month): $19.99 – $39.99

Deployment Options: Hosted (Cloud)

Vonage Business Solutions offer three price plans – Starter, Essentials and Premium to meet your business needs.

Vonage has become a major player in the VoIP industry. For $39.99 per month, professionals can enjoy an unlimited number of inbound and outbound calls.

This is particularly ideal if your employees make many calls within the U.S. and Canada. Additionally, calls made within the Vonage network are totally free.

The Essentials plan allows  lines for 1 – 5 users incorporates over 40 features, including  toll and local free number, conference bridge,  voicemail transcription and call recording.


  • 2.4 million worldwide customers
  • Unlimited calls in the U.S. and Canada

Key Features

  • Customizable conference groups
  • Voicemail transcription
  • Call recording


This service provides advanced technology and a large range of standard features that make it ideal for growing businesses with diverse communication needs.


Editor Rating: 5 stars

Price (per user/per month): Not available

Deployment Options: Hosted (Cloud)

Mitel’s MiCloud Business offering is a hosted VoIP solution including phones as well as cloud hosting service. This service is offered at five levels – Professional, Business Extension Only, Business Extension Only + Voicemail, Business Lite and Business Advanced.


  • Phones and hosting service integrated
  • Unlimited calls in US and Canada

Key Features

  • Voicemail to email forwarding
  • Call recording
  • Call transfers


Mitel MiCloud Business is an all-inclusive package that bundles hardware, software, infrastructure, phones and support into an affordable solution from a leading VoIP player.

jive logo small Jive

Editor Rating: 5 stars

Price (per user/per month): $19.95 – $29.95

Deployment Options: Hosted (Cloud)

Jive offers enterprise standard VoIP at a tiered pricing plan based on the number of users you need. The monthly charges range from $29.95 for 1-4 users to $19.95 for 50 – 100 users. Features as standard on all tiers include fax to email transcription, find me/follow me functionality, 3-way conferencing and auto attendant.


  • Enterprise-grade system
  • Established private and public sector clients
  • Delivered on a proprietary, purpose-built cloud

Key Features

  • Integrate with Salesforce, Oracle and Chrome
  • Advanced analytics
  • Call recording
  • Conference bridge function


Jive offers enterprise-grade systems. It is a fully-featured system across all price points, offering the same extensive solution to small businesses that corporates use.


Editor Rating: 5 stars

Price (per user/per month): Not available

Deployment Options: Hosted (Cloud) or on site

3CX makes your business communications easy. As a software-based IP PBX service designed specifically for running Windows, it can connect your main business lines to smartphones and computers. Plus, with a simple license code, you’ll be able to get started without a lot of complicated setup.

The cost of 3CX is an annual license price based on how many simultaneous calls the system needs to support at one time. Whether you need to support four lines or more than a thousand, 3CX has a wide range of price options that will fit your needs.


  • Excellent for small businesses
  • Easy to add more phone lines ad-hoc

Key Features

  • Video conferencing
  • Soft phones
  • Android and iOS Apps
  • On premise or cloud based
  • Self installation & management


If your company runs on Windows and you need a phone system solution that’s going to make mobile a priority, 3CX is kind of a no-brainer- for a small business.


Editor Rating: 5 stars

Price (per user/per month): $19.00

Deployment Options: Hosted (Cloud)

Avaya Live Connect is a fully-featured communications solution designed for small and medium businesses from a major supplier of enterprise VoIP products and services.


  • Customized collaboration tools
  • Option to include Avaya VoIP phones

Key Features

  • Personalized auto attendant
  • Ring group functions
  • Mobility
  • Meet-me conferencing
  • Voicemail to email


Avaya is a well-known supplier to the VoIP market and offers a small to medium business solution that shares performance and functionality with its proven enterprise services.


Editor Rating: 4.5 stars

Price (per user/per month): $11.99 – $31.00

Deployment Options: Hosted (Cloud)

VirtualPBX is a feature-rich, cloud-based VoIP provider for business, that routes business calls over the internet. You’ll have access to everything from call recording to voice messaging, enabling your business to run at maximum efficiency.

VirtualPBX is also one of the more affordable business VoIP providers out there, with three unique plans to fit your particular business needs. Plus, because pricing is not based per person, the more users you have on the system, the more affordable the plan.


  • Competitive pricing
  • Plug and play devices
  • Solid suite of features

Key Features

  • Call recording
  • Mobile app
  • Slack, Trello and Salesforce integration
  • Integrated conferencing
  • System back-up system


If you’re a small to medium sized business looking to improve the outdated communication practices of your business, getting VirtualPBX is a good choice. It’s customizable, it’s affordable, and it comes with plenty of features.


Editor Rating: 4 stars

Price (per user/per month): $19.99 to $34.99

Deployment Options: Hosted (Cloud)

Net2Phone is a specialist in cloud-based telephone systems, and can provide a VoIP solution for your business that incorporates voice and video calls, with reporting tools. It bolstered its offering in 2017 when it purchased Fonality and folded it into its offering.

It offers integration with essential software packages including Microsoft Office, Google, Salesforce and more.


  • Scalable from 25 users to over 101
  • Superb reporting package

Key Features

  • Integrates with Microsoft Office, Google and others
  • File sharing
  • Voicemail to text
  • Call recording


Net2Phone offers a full cloud-based telephone business solution for your company, with a good range of options depending on budget and size of business. The reporting tools on offer, especially the HUD system, give business owners an excellent overview of their operation, and the pricing for the service, starting at $19.99 for the Essentials package, is competitive with other service providers.

Get Phone System Quotes Tailored To Your Business – Start Here

What Benefits Are You Looking For?

Cost Savings

Easy to Scale

Custom Features

How to Choose the Best VoIP Provider

Choosing the best VoIP provider for your business obviously depends on a number of factors. These can range from the size of your business, how many users you initially need, through to your growth strategy and where you see your business in three to five years’ time- and, of course, cost.

Because of the number considerations that need to be made when searching for a VoIP provider, choosing the right solutions package for your business needs can be complicated. What is the perfect choice for one business is not necessarily the right provider for you so it is important to keep this in mind if you’re looking for tailored solutions that can really benefit your organization.

To help find the best VoIP provider for your business we have put together the following checklist and factors that you need to prioritize in order to help you find the right provider –

Features and Overall Costs

For a number of businesses, cost is a contributing factor when looking for a suitable telephone system. When comparing VoIP with traditional phone systems there are significant cost savings to be made.

It is important however to look carefully at what features are included in the price that you pay because some providers may charge additional fees for functionality that some other providers include as standard. Business owners should also carry out a review of their business to determine what features and functions the business needs as a minimum to operate effectively without paying for other features you do not need or use, this is why custom solutions are often beneficial.

Remember, VoIP costs aren't one-size-fits all. To understand what a VoIP system could cost for your business, simply take a moment to fill in our VoIP Cost Comparison Tool. With a few quick details, you can get comparable, tailored quotes for your business from top VoIP providers.

Quality Standards

This is an obvious one but it is important that you choose a VoIP provider that deliver high quality calls around the clock. There is nothing worse than poor phone signal, particularly when you are speaking with an important client.


Although maintenance is greatly reduced with VoIP it is still important to consider providers with a high level of support who can assist you when problems do arise.


This point relates to individual packages offered by providers. It is important that the provider you choose offers solutions that will allow your business to grow and expand. Some providers will also often custom tailored packages designed specifically to enable your business to get the most from your VoIP service.

Third Party Integrations

Perhaps you want to integrate your VoIP with your existing systems and processes. If this is something that you require, make sure that the product you need offers this function.

Overlooking this step means you could spend a considerable amount of time migrating your business data or creating databases from scratch which is both time and resource intensive. Whether you need integration with Dropbox, a CRM solution or Salesforce, make sure that the solution you wish to use fits in with your existing processes.

These factors cover the absolute basics you should be looking to identify about any VoIP provider you’re considering.  There are of course many other considerations that need to made and we look to cover all of these aspects in our in-depth reviews below.

Benefits of VoIP Providers for Business

As already outlined above, there are a number of key advantages for businesses looking to install a VoIP phone system. The 3 main benefits are:

Find Me/Follow Me

An established feature of VoIP phone systems, this  benefit allows users to do away with separate numbers for office, home office and other additional extensions. Instead when someone is trying to reach you the call is passed from one system to another automatically reaching you wherever you are and ensuring no important calls are missed.

Advanced Messaging Options

As the forms and type of communications we use in both our personal and business lives continue to expand and grow VoIP allows you to keep up with this trend in many ways. Voicemail transcripts mean you can now receive messages left on your answer phone in the form of messages to read on the move while VoIP can also modernize the way we send faxes as well by doing so virtually.

Multiple and Local Numbers

Many VoIP providers will offer multiple numbers depending on the needs of your business. If you operate a contact center this will be necessity and allow your organization to grow quickly.

How Does VoIP Work?

VoIP is a system for making phone calls over the Internet instead of the traditional telephone network (known as the PSTN, or publicly switched telephone network).  VoIP has the potential to dramatically improve your business’ telecommunications plan. If you’re new to VoIP, the concept is relatively simple.

The technology takes analogue audio signals (which are what allow phone conversations to take place) and converts them into digital data. From here, they’re sent out over the internet, effectively creating an online phone call with the following illustration laying out how a phone network looks with VoIP incorporated.

Why is this a big deal? VoIP business customers enjoy a robust suite of benefits, but its biggest advantage over traditional phone plans is savings. It is a low cost yet feature packed solution which offers businesses greater flexibility and control. Cloud based phone systems allow your business to make, receive and manage calls not just from your desk phones, but also through your laptop, mobile and other devices.

Traditional business and residential phone systems have been transformed in recent years and that is impart down to the impact that VoIP has had. Although mobile phones now play a huge role in our everyday personal lives, their reliability and tendency for distraction and the occasional dropped call mean businesses still rely on dedicated phone systems, and more often than not they are now VoIP services.

As nearly all if not all modern businesses now rely heavily on internet connection for everyday tasks, VoIP takes advantage of this to deliver low cost phone services that now provide the same levels of reliability as traditional phone systems.

The added advantage of low cost quality makes VoIP an excellent choice for small businesses while the straightforward setup and installation attached to the service means installation and ongoing and maintenance fees can be bypassed.

Learn more about what VoIP is and how it works

Five Ways VoIP Will Save You Money

1. Lower monthly rates and fees

Customers typically report savings of 60-90% on their monthly telephony costs after switching to a business VoIP service.

Because VoIP uses your Internet connection for sending and receiving call data, it essentially bypasses the need for traditional (and relatively expensive) dedicated phone lines altogether. This is the main key to VoIP’s saving potential for businesses.

To unpack this a little further, consider that the traditional analogue phone system could only send one signal – one call – per line at a time. So for large or very busy businesses that fielded a lot of external calls, they would need a huge number of external lines available to make and receive these calls. Because of the way the telephony industry billing system had developed over the last century, they would have to pay for each of those external lines individually – and often at a premium ‘business’ rate.

2. All-inclusive call plans with greatly reduced long-distance charges

Graphic of money being put into piggy bankCharges for calls made over traditional phone systems are based in part on the physical distance between the caller and receiver, with international calls incurring the highest costs. With VoIP,  business calls over any distance, including international calls, are either free or significantly cheaper than over the PSTN. When your business PBX (private branch exchange: the hub through which your internal business calls are routed) is hosted in the cloud rather than being a physical unit installed at your headquarters, you can call anyone, anywhere for the same cost as calling a phone down the hall. Effectively, all calls become local calls.

Costs come in two parts: total length of the call in minutes, and the calling service category i.e. whether the call is local, intralata (LATA is the Local Access and Transport Area), intrastate, interstate or international. The government will also levy fees and surcharges on each telephone line according to the distance category of a call. Except for local calling (which may be unlimited anyway with your service plan), using VoIP can reduce or completely eliminate the charges of long-distance and international calls.

3. Reduced complexity of on-premise equipment leads to reduced maintenance, repair and replacement costs

With VoIP telephone systems becoming just another channel of data in a business’s computer network, overall equipment and technical maintenance costs are greatly reduced as you’re literally dealing with one system instead of two.

VoIP systems can be further streamlined by selecting what’s known as a hosted service, where the service provider manages the hardware and software requirements of your phone system on their own server in the cloud. With a hosted service you get all the same advantages as a basic VoIP system but with even less installation and maintenance involved at your end.

4. Access to ‘premium’ features as standard

VoIP phones and and services often include the kinds of advanced features and functionality that was not even possible with conventional phone services, such as voicemail transcriptions, auto-attendants, video and unified communications capabilities. See further down for a more detailed look at the key features of VoIP phones and systems [link].

5. Convenience, Flexibility & Scalability

With VoIP services, systems packages are built around your specific requirements. Because much of the system design revolves around software rather than fixed hardware equipment, it can be easily and inexpensively expanded as your business grows.

Compare tailored VoIP costs now, using our free tool.

What Equipment Is Needed in Order to Use VoIP?

Now that you have looked at factors that need to considered when choosing a VoIP provider as well as the benefits on offer the next step is to explore what structures and equipment are needed to effectively implement VoIP.

Which specific equipment you invest in for your VoIP phone system will depend largely on the unique requirements of your business: for example, how many employees, managers and customers the system will need to serve, and how flexible you want the system to be for future expansion and diversification.


The first stage is to make sure that you have the network capability to support VoIP. This is important because it relies on the internet to route calls. Internet connections must be fast, reliable and provide sufficient bandwidth to operate properly. While this is not usually a problem for a larger business, smaller companies sometimes struggle because they may have to upgrade their internet connections to ensure that the solution operates as it should.


One of the main benefits of VoIP providers for business is that businesses no longer have to maintain PBX boxes. However, this does not mean that VoIP doesn’t require any equipment. Even if a business opts for a hosted VoIP, the organization will need to purchase IP handsets or an adapter if they don’t already have them so existing telephones can be used with VoIP.

IP phones are desktop phone units designed specifically to work with modern digital VoIP systems. Basic operations are conducted in exactly the same way as traditional analogue phones, but  these models are also equipped with a host of additional features that take advantage of VoIPs digital networking flexibility and features.

Basic IP phones look essentially like traditional analogue phones, with a keypad and a few other buttons for transferring calls, holding, conference calling and other basic VoIP functions.

More advanced IP phone models can look quite different, often featuring a large LCD screen to display dial buttons, call and contact information and video conferencing capability. As these higher-end IP phones are two to three times more expensive than the basic models, small businesses will quite often order several basic IP phones and one phone with the more advanced features to be used by the person who will act as the administrator for receiving, transferring and setting up conference calls.

Do I have to buy the equipment?

Some VoIP providers for business will provide you with hardware like hardphones and ATAs that have been tested and recommended for operation with their software and IP-PBX cloud systems. Some providers offer this equipment on a rental basis for the length of your service contract; others will sell you the necessary hardware equipment outright. Of course if you already have or choose to purchase your own VoIP hardware you can ask the service provider to take this into account when they begin specifying the other elements of your VoIP service solution.


The simplest form of VoIP operation doesn’t require a separate phone unit at all – your computer becomes a virtual phone, operated using an on-screen software interface and a headset with headphones and a microphone. There are designs of headsets suitable for any usage situation, including wired or wireless versions, larger padded headsets for noisier environments where sound-isolation/noice-cancellation is a consideration, or smaller light-weight designs for extended or more discreet use.

One of the great advantages of VoIP is that it uses the same IP networks used by many kinds of digital devices such as laptops, tablets and desktop PCs. Therefore, to connect one of these devices to your VoIP network, all you’ll need to do is install the appropriate softphone app that is bundled with your VoIP service package and either connect a headset or use the mobile devices built-in earpiece and microphone.

Employees smartphones can be easily integrated into a business’s VoIP phone system, a practice known as BYOD (Bring Your Own Device), allowing calls to office numbers to be routed to any device regardless of your actual location.


In order to operate successfully a VoIP relies on both internet and electricity. Without these the phone system will not function. Some businesses assume that VoIP systems will continue to work even when there is a power or connection outage, the same as regular telephones but they don’t. Therefore, you will need to factor in the necessary power and internet backup systems if either one or both goes down.

In terms of the internet, some businesses have a backup which automatically switches to another line if the internet connection is lost. When it comes to powering the phones, this is slightly more complex. Sometimes it may be as simple as connecting the VoIP to the backup generator.

It may seem quite complex to set up multiple backup systems but they are necessary if you want to continue working with VoIP during a power or internet outage.

10 Questions To Ask Prospective VoIP Providers

1. What are the actual startup costs?

Many providers will waive or include setup, activation and porting fees as part of their complete solution, but not all of them. Different providers will also offer varying levels of support for things like installation and in-person or video training, all of which will come at a corresponding variety of price points.

You will need to know how many people are using how many phones over how many lines and extensions to get accurate costings here – you’ll then be able to determine whether to lease or buy the necessary handsets, and whether to do so directly from your provider or a third-party retailer (and if you buy your handsets and other equipment from a retailer, make sure you’ll have someone in your business who can get them set up correctly with the system).

2. What are the cancellation costs?

If you decide some way down the road that the provider you opted for isn’t the right fit, for whatever reason, it can really help to have gathered the necessary information beforehand about the cancellation or transferal procedures of the provider in question.

Try to find out things like how much it would cost to return equipment after the typical 30-day free trial or money back guarantee (note, they are not necessarily the same thing), and whether or not you get to keep the ported numbers the provider set up for you.

3. What are the minimum ongoing costs?

Every phone system, even the least expensive and free services such as Skype have certain unavoidable costs associated – you still have to own a computer or other device to run a free service on, for example, and you still have to pay for the electricity to power this device. The least expensive VoIP service still have taxes applied and fees for emergency E911 functionality.

Many of these ‘invisible’ costs will not be immediately apparent before you have been using the service for a while, even though they are not ‘hidden’ either. Reading reviews from existing customers of your prospective providers can give you some useful insight into the real-world costs others have experienced and prepare you for a realistic minimum cost appraisal.

4. Can I integrate my old phones or do I have to replace them?

You may have the option to connect old phones to your new system with ATAs (Analogue Telephone Adapters). It could be better to invest upfront in some new IP phones that can be used to make the most of the VoIP features you’ll have access to as part of your service. Alternatively, your service provider might lease you the appropriate handsets until you’re ready to buy your own at a later point.

5. Is the mobile app compatible with my smartphone?

Do check that your providers mobile VoIP app supports your mobile platform: in majority of cases, at least one of the two most popular platforms – Apple’s iPhone OS and Google’s Android OS – will be supported. There is also the Blackberry OS, and newer platforms such as Windows Mobile 8. In some scenarios, it might be better to change your company phone(s) to match your favoured provider rather than the other way around.

Graphic of person looking at reports6. Is the service ‘Bring Your Own Device’ compatible?

The concept of Bring Your Own Device or BYOD is one of flexibility for employees, allowing them to use their personal mobile devices – laptops, tablets, phones – to easily connect to the office phone system regardless of where they are. This is another good reason to know what devices and platforms your provider’s mobile app will run on. Find out if the phone system will be operable over Wi-Fi and 4G mobile networks, and check how you might connect to the office in particular scenarios like from a hotel room or your local coffee shop.

7. Do I keep my existing numbers or get new ones?

Depending on your provider, much of the number allocation will be up to you. This kind of flexibility is one of the great strengths of VoIP systems.

As long as you are staying in the same geographical location or area, your VoIP provider is obliged to let you keep your local phone number – assuming you want it. It’s possible with VoIP to set up numbers from outside your geographic area code for your business to use. In the future, you can usually take these ‘virtual number’s with you should you switch providers later. You can also use toll-free or 800 numbers with VoIP, but whether you can take these with you when switching will be specific to your particular providers policies and fee system.

8. What kind of tech support is provided?

Each provider will offer different levels and types of tech support, each with corresponding price levels. Find out whether you will be getting 24/7 access to remote support, or whether it’s more of an emails and forum posting kind of level – and if you have specific support requirements that aren’t included as standard, how much will these additions cost?

9. What are the costs of porting old numbers, and how quickly will these numbers be ported?

Porting your old numbers to the new system can potentially be done in a single business day, but that doesn’t mean this is always the case. Plan for it taking longer, during which time two phones have the same number: find out if you can arrange to use the old number while you wait.

10. How reliable is the service, and what are the redundancies?

Again, this is where existing VoIP user reviews can giver you some valuable insight into the realities of a particular provider’s service. You can also look back at the providers Twitter feed to get an idea of how often technical difficulties have been reported and resolved.

Redundancy capability is when a computer server or related system is backed up by a standby or ‘redundant’ system, which the system can switch to without service interruption should the primary server suffer a failure or abnormal termination. Redundancy is one reason why VoIP services stay active even when the legacy analogue phone network is down.

If these VoIP companies sound as good to you as they did to us, you have one final step left: Get quotes from the best of the best, and see how their prices compare to the rest of the industry. You can check out Tech.Co's quick and easy quotes form below to do just that.

See how the best VoIP providers stack up against their competitors.

About our links is reader-supported. By clicking to compare, you’ll receive quotes from various suppliers, tailored to the needs of your business. If you enter into a contract with a provider, we may receive a payment for the introduction. This helps to provide free advice and reviews. It carries no additional cost to you, and doesn’t affect our editorial independence.

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Jack is the Content Manager for He has been writing about a broad variety of technology subjects for over a decade, both in print and online, including laptops and tablets, gaming, and tech scams. As well as years of experience reviewing the latest tech devices, Jack has also conducted investigative research into a number of tech-related issues, including privacy and fraud.