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Best Small Business Phone System 2019: Which Provider Is Most Reliable?

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Last updated on September 5th, 2019 at 12:44 am

Best Small Business Phone SystemCommunication is a crucial part of any business that wants to meet its goals and succeed. Through communication, a business learns new ways of doing things.

The best small business phone system will manage your incoming calls, make quick outbound calls, and route calls effectively.

Also, a good phone system will help you improve your overall communication process with the client.

A solid business phone system is vital to interacting with employees, customers, and business partners.  Proper communication is effectively to run your business effectively.

Communication in any business determines how a well your provide customer service to your clients.

Various communication systems bring different features to the table. For this, businesses should choose a phone system that favors their type of business.

For example, if you have a deli, your phone system needs will differ from the needs of a call center.

The Best Small Business Phone System in 2019

The Best Small Business Phone System in 2019Our best small business phone services provider this year is Nextiva. Nextiva is a Voice over Internet Protocol that offers reliability, easy and comprehensive setup, and knowledgeable and responsive customer support.

Their service is effective for improving business communication and productivity, as their phone systems have ‘endless’ features.

For a period of time we were using Nextiva in our Wise Small Business office, and it did not disappoint.

Our First Choice: Nextiva, The Best Small Business Phone System

The Best Small Business Phone System in 2019We recommend Nextiva’s phone system to any small business because of its reliability. It provides high-quality calls and connectivity.

Mainly for its large size and multiple data centers. This way, when one data center fails, the rest are available and so it does not disrupt communication activities.

Nextiva has also maintained a high level of stability in the fast-changing communications industry. This increases customer reliability, which is very important for a phone system provider. Nextiva simply provides top-notch customer service.

They are the only provider that gives small business clients a dedicated US-based account representative to talk them through the challenging setup process.

Besides that, they also provide you with a professionally recorded phone greeting. Compared to other providers, they are very responsive if any issues arise.

That’s where Nextiva beats RingCentral’s support, which only provides US-based customer service to larger companies that pay for 20 or more lines. This makes them a less attractive option for small clients.

Although is cheaper compared to the other two VoIP phone systems, it is more prone to consistency issues because of its small network.

Depending on your connect plan, the local and toll-free number is included at no extra charge.

Nextiva also provides an instant automated personalized greeting that allows the caller to choose the department or person they are trying to reach.

They also offer professional voicemail services that help your caller connect with you even when you are not around.

Depending on your availability, you can choose a number for your business to connect plan. Nextiva offers unlimited extension which allows you to add numbers.

which give your business a multi-city appearance. You can combine both local and toll-free numbers.


Nextiva has few official integrations. They allow the user to install Firefox, Outlook and the Internet Explorer that allows you to adjust the call forwarding setting.

This is only available for Enterprise Edition users. A second integration is with ZenDesk that allows you to make and receive calls within a program.

Client Service

Nextiva undertakes all its US-based customer support through chat, email, and phone. However, their hours of support are limited. Hours range from 5am-6pm on weekdays, to 9am-1pm on Saturday.

From online reviews and personal experience, Nextiva had the most responsive and knowledgeable staff.


In reviewing our criteria from earlier, Nextiva has an average customer rating of 79% which translates to 3.94 out of 5 stars.

They have a server uptime of 99.999% but a representative stated that they guarantee 99.9%. This means that compensation can be sought if the service is down longer than the specified time.

For example, in this case, it is only four minutes per month.

Nextiva definitely ranks as the best small business phone system on our list.


Nextiva falls between RingCentral’s and with a package ranging from $234 per month for five users or $219 per month if paid annually for their “Office Pro Plus” (their most common plan).

For an additional $7 per user every month, you can upgrade to “Office Enterprise” which comes with a premium features such as a call recording and monitoring, Nextiva mobile App, and the conference bridge. Transcripts are payable at $2.95 per line.

2nd Choice: RingCentral’s, The Great High-End Phone System

RingCentral’s phone services are “luxury” Voice over Internet Protocol. They offer a quality interface for setting up an auto-attendant.

Creating room for the customization of call forwarding settings, and the ability of users to check their voicemails.

So far, RingCentral has the best mobile app to make calls over the Internet or mobile network using business phone numbers.

Switching between the two is also possible with disrupting or stopping the conversation.

RingCentral offers Customer Relationship Management which allows calls to be made through Zen Desk, Zoho, Salesforce, and among others.

This serves as an advantage since integrating Nextiva and with CRMs will be at an additional charge for setup.

The downside of this attractive package is their high pricing and the fact that they give priority to large businesses.

Only businesses with 20 or more user accounts are eligible for dedicated support. If you do meet the 20+ user requirement, an account representative will help you transfer your existing phone numbers or order new lines.

This includes local, toll-free, and vanity numbers.

Phones ordered through RingCentral arrive in just a few days, fully configured and ready to use. An online wizard guides you after your first login and goes through the user setup and your phone system’s settings.

All these features, from management to set up and more, are available on RingCentral’s mobile app.

RingCentral’s phone system can be managed through the cloud from your desktop computer or smart device, across all office locations.

You have complete control using a user-friendly and familiar web interface with drop-down menus, boxes, and fill-in fields.


RingCentral’s integrates with several official integrations which may be Office 365, Box, Google, Outlook, Salesforce, Zoho, ZenDesk, and

The Google/Outlook integrations make it possible to make and receive calls or texts from your Inbox. In the same way,, ZenDesk, and Salesforce let you make or receive calls straight from the program.

Customer Service

RingCentral offers 24-hour customer service with a combination of US and Non-US based support. As mentioned before, companies with 20+ users get an assigned rep.

It thrilled users with RingCentral’s’s customer support (even though I waited on hold for a little while to reach them).


RingCentral’s has a fairly outstanding customer rating which stands at 81%, equaling to 4.1 out of 5 stars. Like Nextiva, RingCentral guarantees a server uptime of 99.9%, according to a company representative.

With RingCentral’s phone system, it is easy to add and change users, assign phones, or manage extensions and groups, anytime and anywhere.

Their system also saves time as users can manage most of their own settings from their own computer and phones.


RingCentral’s has the most expensive business phone service which stands at $299 per month for five users or $232 per month if paid annually.

Though it offers unlimited outbound calling, RingCentral’s is the only phone system that charges incoming toll-free calls. It also offers a mid-tier “premium” account where each user gets 2500 toll-free minutes valid for 41 hours.

After which a standard charge of 3.9 cents per minute is charged. RingCentral’s has a less expensive pay per minute plan.

Third Pick:, Most Cost-Effective Option

The Best Small Business Phone System in 2019One of the best things about is that it has a lower price for its packages.

They also offer a pay per minute plan which helps save a great amount of money if your employees only spend a few hours in the month every month. also offers free international calling for one of their plans, to landlines in countries like Israel, Germany, United Kingdom, Italy, Netherlands, Canada, France, and Puerto Rico.

Rates to other countries are still low compared to Nextiva and RingCentral’s rates.

To avoid the international fee, allows for the purchase of an international number for the cost of $5 a month.

However, they don’t provide a setup specialist which may prove as somewhat ineffective customer support. Lastly, their small network makes them prone to have reliability issues. offers an address book that allows synchronizing contacts. This way, you can easily call or send messages directly with your account.

You can also import your existing contacts from other services like Yahoo, Gmail, or Outlook. lets you assign custom call handling rules for your contacts and send them to personalized messages or voicemails.

This phone system also allows you to use your old analog phones by connecting them with using their Analog Telephone Adapter (ATA).

On top of all that, there’s a feature that helps you block all unwanted calls by either blocking them during calls or adding them to your blocked calls list (through the online portal).

If you want to block calls from or to pay phones or international calls, it can be done with the system.

Unwanted numbers are added to you spam callers list directly from your call logs. Unblocking can easily be done in the same way.

Integrations’s service does not support any additional integrations apart from tenfold. may not be the best small business phone system, but they are definitely a good choice for VoIP and International calls.

Client Service has a 24hr US chat, email, and phone support. They are quick to respond to calls and emails. This can save you a lot of time.

However, despite the quick response to calls, you might have to talk to several support members to get an answer to your question.

This is a setback. This is mainly from client feedback through reviews and from speaking with through the chat.


This small business phone provider has the lowest customer rating which stands at just 69%, equaling 3.44 out of 5 stars. It has a server uptime of 99.99%. does not offer a guarantee on uptime.

Price is by far the cheapest of all the VoIP packages. It’s pricing ranges from $159 per month for five users to $145 per month if paid annually.

They also offer the pay per minute option which allows you to you pay as low as $84 per month with five employees who talk for an average of five hours in a month.

However, though it is the most cost-effective, only provides a unique 10 digit number for $5 per user per month.

With, you will pay for advanced features (for example, call recording costs $5 per month for 300 minutes).

Caller analytics also incur an extra cost of $2 per month, while the transcription fee is $1.50 per extension.

A full package would come to around $207 per month for five users which ends up being a bit cheaper than Nextiva.

However, one should consider the importance of call reliability and customer service, which is where Nextiva shines (which truly makes it the best small business phone system).

In case you are considering this provider, here’s a little recap about

  • Nextiva and RingCentral’s give each user a unique ten digit number for free. does not, they charge $5 per month per user.
  • Each company can use local phone numbers. They also have access to the 800 number. They can also have a combination of the two that is the local number and the 800 number. RingCentral’s and offer international phone numbers for certain specified countries.
  • Nextiva allows for a company’s personalized script to be recorded professionally for the phone greeting at no extra cost. Auto attendants can direct callers to the right departments. An option of the dial by name directory.
  • Nextiva and RingCentral’s have many options for call routing. This way, rules of handling calls can be set easily. For example, sales calls can ring on multiple lines or roll from one line to another when not picked up.
  • Through the mobile app, employees can receive calls on their personal phones using their business phone numbers.
  • Sending and receiving electronic fax is possible.

Important Things To Consider Before Choosing A Small Business Phone Service

1. System Reliability

Small Business Phone System ReliabilityTo arrive at the conclusion of the reliability of each of the phone service systems, we had to put three factors to the test: average customer rating, the number of the data center, and server uptime.

The average customer rating is the average of the many customer reviews we collected from five trusted sources.

We paid attention to quality and reliability comments and on how satisfied the clients were with support and billing.

Server uptime measures how often data centers are online. What makes a big difference here is the number of decimal places.

For example, 99.999% equates to downtime or rather a time that the centers were not online of twenty-six seconds. 99.99% would equate to four minutes and nineteen seconds of total downtime.

When uptime is guaranteed it simply means that the company will be compensated if downtime exceeds the agreed period.

The final factor we put in place was the number of data centers. The more there are, the more reliable your service will be, as one center can guarantee uptime when another fails.

2. CRMs Integrations

Each one of these VoIP services can integrate with popular Customer Relationship Management (CRMs) through Tenfold.

Some of these CRMs include Outlook, Gmail, Zoho, Salesforce, Insightly, SugarCRM, and more. Insightly is our favorite CRM because it is cheap and easy to use.

The integration allows you to log or feed calls into your CRM. That includes: who made the call, the duration, related contacts, user notes, and more.

An incoming call triggers a scan through the CRM to show useful information.

Tenfold supports the three recommended VoIP providers. A charge of $29 per month is incurred because of integration with a third party service.

Nextiva and RingCentral’s also support integrations of their own called “official integrations”. The benefit of using these official integrations is that no charge is incurred.

3. Customer Service

After our review, Nextiva emerged as the winner in customer support. I noticed that they were very quick to respond to questions and their support staff was very knowledgeable. was the second with equally fast and responsive customer support. RingCentral’s ranked third due to its slow response time for phone support (I was on hold for a few minutes before hanging up).

Main Types of Phone Systems: Landline vs. VoIP

Landline and VoIP are the phone systems available on the market today. They both offer basic features like extensions and handsets for all employees. They also provide functionalities like auto-attendant (to connect and agree to calls), voicemails, transfers, and on-hold.

However, VoIP has the upper hand as it only requires an Internet connection to allow communication, while the landline phone system depends on the traditional phone wiring.

Some of the advantages of VoIP include:

  • Simple user interface
  • Phone portability
  • Increased employee efficiency and productivity
  • It is cheap. It incurs no installation or maintenance cost
  • Tools a landline system can not support that (like voicemails being delivered to a person’s email inbox). Or, making and receiving calls from your cell to the business number
  • Easy to scale. Unlike using a landline system, with VoIP you only need to add another user online and plan for a desk set later
  • Seamless communications are at per with the ever-changing current trends
  • Flexible because of their extensive connections; allowing calls to be connected to smartphones when you’re away from your office

Before concluding that Nextiva is the best small business phone system, I weighed the features and functionalities of the top three VoIP phone systems.

That are Nextiva, RingCentral’s, and which we have found to be suitable for small businesses.

All three have their upsides and downsides and therefore there is no one provider that will be perfect for your business.

When it comes to pricing, feature, customer service, and integrations, you must do your research. It comes down to weighing the pros and cons of each provider.

Our Final Thought: Nextiva is The Clear Winner

After analyzing and reviewing what each of the top 3 VoIP providers offered, we concluded that Nextiva is the best small business phone system.

Although it is not the cheapest, the cost is not always the number one factor when it comes to reliability and your business’ success.

Completely reliable customer support is what any small business needs to thrive. For the reliability alone, Nextiva is definitely worth the money.

After hours of research, they are definitely our top pick, whether you are just starting out in business, or want to switch to a new provider.

Finally, we found Nextiva to be flexible with businesses that are looking to grow. Any provider that lets you scale up or down as you grow has earned our vote.

The WiseSmallBusiness Team is full of industry experts and successful business owners  willing to contribute important business articles.


  1. Alex Carson Reply

    Thank You for Sharing this VOIP Business List. It’s a well known company which provides best in class voip solution all over the globe.

  2. It has become the norm in the consumer space to be able access the information you need, when you need it, regardless of time or place. For some time, therefore, business users have demanded the same functionality for enterprise apps. And BI has been quick to come to the party.

  3. Still, some businesses are so out of money that they are okay with less-quality but cheaper VoIP service

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