Best business phone systems 2024

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We test and review software products using an independent, multipoint methodology. If you purchase something through our links, we may earn a commission. Read about our editorial process.

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CallRail - review, pricing, alternatives, features, details

CallRail

3 Reviews
Official website
callrail.com
Quick choice
Editor's Choice
Helpwise (Phone system) - review, pricing, alternatives

Helpwise (Phone system)

2 Reviews
Official website
helpwise.io/phone-system
Quick choice
Most affordable
Cinnox - review, pricing, alternatives, features, details

Cinnox

2 Reviews
Official website
cinnox.com
Quick choice
Most advanced
Brevo (Phone system) - review, pricing, alternatives

Brevo (Phone system)

4 Reviews
Official website
brevo.com/phone-system
Quick choice
Best for beginners
Zadarma - review, pricing, alternatives, features, details

Zadarma

1 Reviews
Official website
zadarma.com
Quick choice
Best price/quality
Ruby - review, pricing, alternatives, features, details

Ruby

2 Reviews
Official website
ruby.com
Unitel Voice - review, pricing, alternatives, features, details

Unitel Voice

2 Reviews
Official website
unitelvoice.com
Openphone - review, pricing, alternatives, features, details

Openphone

Leave review
Official website
openphone.com
Sonetel - review, pricing, alternatives, features, details

Sonetel

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Official website
sonetel.com
Zoho - review, pricing, alternatives, features, details

Zoho

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Official website
zoho.com
Kavkom - review, pricing, alternatives, features, details

Kavkom

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Official website
kavkom.com
Novocall - review, pricing, alternatives, features, details

Novocall

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Official website
novocall.co
Krispcall - review, pricing, alternatives, features, details

Krispcall

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Official website
krispcall.com
Nextiva - review, pricing, alternatives, features, details

Nextiva

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Official website
nextiva.com

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Recent reviews

Matt Robinson

Matt Robinson on Brevo (Phone system)

Brevo stands out as the top business phone system in 2024 Offering seamless connectivity and advanced features it enhances communication efficiency fo...
Michelle Kim

Michelle Kim on Brevo (Phone system)

Brevo stands out as the best business phone system for 2024. With its seamless integration, reliable performance, and user-friendly interface, it enha...
Flora Roland

Flora Roland on CallRail

CallRail stands out as one of the best business phone systems in 2024 Its user-friendly interface and robust features streamline communication and enh...
Jason Wayne

Jason Wayne on Zadarma

Oleg helped me set up a call flow with the call queue setting today, and he did a fantastic job! In explaining the information to me, he was very pati...
Lina McPherl

Lina McPherl on Unitel Voice

I love that dialing a prospect/customer from the Freshdesk contact center (previously known as FreshCaller) is super easy. Their support team replies ...
Lina McPherl

Lina McPherl on Brevo (Phone system)

Excellent idea, but the implementation is horrible and the irresponsibility of the staff. It's not the first year the client, if earlier at least some...

When choosing a business telephony service, it is important to carefully evaluate security aspects. First, make sure that the company uses modern data encryption methods to protect confidential information flows. 

You should also check for protection against cyberattacks and backup communication channels to ensure the reliability and uninterrupted operation of your phone system.

When choosing a telephony service that fits your budget, it is important to first consider the total cost of equipment and connectivity, as well as monthly service fees. 

It is recommended to compare different plans and make sure that the chosen plan includes all the necessary features that your business needs. 

Also consider possible additional support and maintenance costs to ensure the planned stability and efficiency of your phone infrastructure.


When assessing the quality and availability of technical support from a business phone service company, it is important to pay attention to the number of hours of support and the response time. 

It is recommended that you read user reviews about the speed and quality of service, as well as conduct a test call to assess the competence and professionalism of the company's technical support. 

It is also important to make sure that the support offers not only reactive solutions, but also actively works to prevent possible problems and increase customer satisfaction.


How to choose the best business phone systems 2024

First, you need to determine how many employees in your company will actively use telephony. This includes both stationary employees in the office and those who work remotely or travel frequently.

Determine the needs for telephony features:

  • Types of numbers: Consider the need for direct numbers for each employee or department. This will ensure that customers and partners have convenient access to the necessary employees without intermediaries.

  • Conference calls: If your company is often involved in large meetings or team interactions, it is important to be able to organize conference calls with many participants at the same time.

  • Virtual numbers: If your business has customers or partners in different geographical areas, using virtual numbers can provide easy access to you for customers from different parts of the world.

  • Autoresponders and other additional features: Consider whether you need to use answering machines to manage your inbound calls efficiently, as well as other features that may be useful to your business, such as call recording, group messaging, etc.

Evaluating these aspects will help you better understand what telephony features your business needs to ensure efficient and uninterrupted communication processes.

Technical requirements

Learn more about the technical requirements when choosing a telephony service for your business:

Assessment of the need for integration with existing systems (for example, CRM or Helpdesk):

1. CRM (Customer Relationship Management)

Check if there is a need for integration with your CRM system. This will allow you to automate the processes of interaction with customers, store information about calls and other important data.

Determine which CRM systems are supported by the telephony service and what integration features are available (e.g., contact synchronization, task creation, etc.).

2. Helpdesk systems

If your business actively uses a system for handling customer requests (e.g., Zendesk, Freshdesk, etc.), make sure that the telephony service supports integration with this system.

Evaluate the ability to automate the creation of requests from calls, track the status of requests, and the ease of working with customer data.

Determine whether special devices or the ability to use mobile applications are required:

3. Dedicated devices

Consider the need for IP phones or other specialized office devices that can provide higher audio quality and additional features (such as speakerphone or omnichannel support).

Check the compatibility of these devices with the selected telephony system.

4. Mobile applications

For companies with a large number of remote or mobile workers, it is important to be able to use mobile applications to make phone calls, view call statistics, and manage features.

Check whether potential telephony service providers have mobile apps and their functionality.

Evaluating these technical aspects will help ensure that you choose a telephony service that best meets your business needs by providing the necessary integrations and functionality.

Budget and expenses

Let's look at the possible costs of equipment, connection, and monthly service costs:

Equipment

Assess the need for specialized IP phones or other office equipment. The cost of such equipment can have a significant impact on the overall budget.

Consider whether you can use existing equipment or need to purchase new equipment.

Connectivity

Determine the costs of connecting to a telephony service. This may include the cost of setting up the system, installing IP phones, or other equipment.

Monthly service costs

Review the plans and rates of companies that offer business telephony services. They may vary depending on the scope of services, number of lines, location, integration capabilities, and other factors.

Carefully evaluate what is included in the basic plan and what are additional options that can affect the overall cost.

Search for companies that offer plans that fit your budget

  • Compare tariffs: Gather information about the tariff plans of different telephony providers and make a comparative analysis of the cost of monthly payments and features included in them.

  • Special conditions for business: Some companies may offer special deals for business customers, which may include discounts or additional services for a reduced price.

  • Reviews and ratings: Check the reviews and ratings of companies to make sure they are reliable and provide quality service.

  • Additional costs: Consider possible additional costs, such as fees for number portability, additional features, or support services.

Evaluating these aspects will allow you to make an informed choice of a telephony service that fits your budget and business needs, ensuring that you get the best value for your money.

Security and reliability

Learn more about security and reliability when choosing a telephony service for your business:

  1. Data encryption: Make sure the phone service uses encryption to protect sensitive information transmitted over the network. This is important for protecting customers' personal data and internal corporate information.

  2. Protection against cyberattacks: Learn about measures taken to protect against cyberattacks and system hacking. This can include network firewalls, intrusion detection systems, and other security measures.

  3. Authentication systems: Check to see if different methods of user authentication, such as two-factor authentication (2FA), are available to provide protection against unauthorized access.

  4. Access management: Assess what capabilities are available to manage access to the telephony system, including user and administrator access rights.

Protection against viruses and malware: Verify that measures are in place to protect against viruses, malware, and other potentially dangerous elements that could threaten the resilience of the telephony system.

Assessment of system reliability and availability of redundant communication channels

  • Availability of backup communication channels: Ensure that the telephony service has redundant network paths to ensure continuity of operations in the event of a primary link failure. This can include redundant routes and redundant equipment.

  • SLA (Service Level Agreement): Evaluate the SLA offered by the telephony service provider. This will allow you to understand the guarantees regarding the availability and reliability of the service.

  • Data backups: Find out if they regularly create and store backup copies of your data for recovery in case of data loss.

  • Monitoring and support: It is important that the telephony service has 24/7 system monitoring and prompt support to resolve issues as soon as possible.

Paying attention to these aspects will allow you to choose a telephony service that will provide a high level of security and reliability for your business, reducing the risks of data outflow and business interruptions.

Customer support

A study of the quality and availability of customer support:

  • Support availability:

Make sure that the phone service offers 24/7 access to technical support or during business hours that work for you.

Determine which channels you can use to contact support (phone, email, live chat, etc.) and what the average response time is.

  • Quality of service:

Research reviews and impressions of other users about the quality of service. This can give you an idea of how efficiently issues are resolved and the quality of technical support in general.

  • Problem resolution process:

Find out how the phone service responds to problems. Do they have a procedure for resolving a failure? How quickly do they respond to critical situations?

Check user reviews and the ability to get help in case of problems:

  • Review user reviews:

Check out reviews on the company's website, social media, or specialized platforms (such as Trustpilot or G2 Crowd). This will allow you to get an objective assessment of other users' experience with support.

  • Testing support:

Before signing a contract or choosing a plan, contact the support team and ask questions about their services, installation procedures, and problems that may arise. Evaluate how professionally and promptly they provide answers and solve problems.

  • Availability of documentation and resources:

Check for documentation that can help you troubleshoot issues or customize the system yourself. Does the company have a knowledge base or user manuals?

Evaluating these aspects will allow you to choose a telephony service that not only meets the technical requirements of your business, but also provides reliable and high-quality customer support, which is critical for the smooth operation of your business.

Assessing the reputation and reviews of a company

Learn more about assessing reputation and reviews of companies offering telephony services for business:

1. Search for company reviews and ratings:

Visit review platforms such as Trustpilot, G2 Crowd, Capterra, and others. These resources usually collect objective feedback from users about different business phone companies.

Check out the quality of service, response time, call quality, system stability, and overall user experience.

2. Social networks and forums:

Look for reviews on social media, specialized groups and forums where the business community discusses their experience with different telephony services.

Pay attention to comments about the relevance of features, customer service, and response to problems.

3. Analyze the stability and development of the company in the market:

Research how many years the company has been operating in the business telephony market. A long-term presence in the market can indicate stability and reliability.

4. Financial stability:

Look for information about the company's financial health. Is it financially stable? Has it experienced significant financial difficulties or ownership changes?

5. Development strategies:

Find out about the company's development strategies. Is there a plan to expand services and improve infrastructure? This can affect the future stability and innovation of services.

6. Partnerships and awards:

Check if the company has partnerships with well-known technology brands or awards for service quality. This may indicate recognition of its branch and high status in the market.

Evaluating the company's reputation and stability will help you make an informed choice of a telephony service that will be a reliable partner for your business with long-term and stable cooperation.

Bottom line 

When choosing a business telephony service, it is important to carefully evaluate several key aspects.

First, you need to clearly understand your business needs. This includes determining the number of employees who will be using the telephony system, as well as the need for features such as direct numbers, conference calls, and answering machines.

The second important task is to assess the technical requirements. You need to find out how much integration with existing systems, such as CRM or Helpdesk, is needed, and whether specialized devices or the ability to use mobile applications are required.

The third step is to estimate the budget and costs. It's worth considering not only the cost of equipment and connectivity, but also the monthly cost of services. It's important to find companies that offer plans that fit your budget.

Security and reliability are also critical aspects. You should research in detail the security measures used by the company you choose, such as data encryption and protection against cyberattacks. It is also important to make sure that there are backup communication channels to ensure business continuity.

Finally, it is necessary to assess the company's reputation in the market. Searching for user reviews and analyzing their experiences can help you understand how reliable and stable the company is, its experience and development strategies.

Taking these aspects into account will allow you to make an objective choice of a telephony service that meets the needs and requirements of your business.