Comparisons7 min read

10 Best PBX Phone Systems for Small Businesses

10 Best PBX Phone Systems for Small Businesses in 2025

A business phone system plays a big role in how small businesses operate. A traditional wired phone system is difficult to manage and lacks the features that modern business communication requires.

That’s where PBX phone systems come in. They’re reliable, cost-effective, and designed to keep your small business running smoothly.

In this guide, we’ll explore the 10 best PBX phone systems for small businesses, including their pros, cons, and pricing. Stay tuned!


What Is a PBX Phone System?

A PBX, or Private Branch Exchange, is a private telephone network that uses PSTN (Public Switched Telephone Network) to route calls.

Traditionally, PBX systems were hardware-based, requiring on-site equipment to switch and route calls. Over time, these systems have evolved to cloud PBX, offering to manage the calls over the Internet. As such, it reduces the need for extensive hardware while offering added flexibility.

Best 10 PBX Phone Systems for Small Businesses

1. 3CX

3CX is an ideal PBX phone system for small businesses with its robust set of telephony features tailored for entrepreneurs. It offers multiple plans, including a Small Business Edition, named 3CX SMB.

3cx home page hero section

In this plan, 3CX offers advanced call management tools like call queues, multi-level IVR, deskphone support, and voicemail-to-text, ensuring seamless communication whether your team is in the office or working remotely. It is also affordable, with plans starting at just $16.50 per month.

Pros

Cons

  • Intuitive, user-friendly interface

  • Feature-rich, flexible software PBX

  • High-quality reporting tools

  • Clear audio & sound quality

  • Reported Codec issues causing downtime.

  • Frequent automatic logouts


Pricing

  • 3CX Small Business Plan: $195 billed annually
  • 3CX Professional Edition: $195 billed annually
  • 3CX Enterprise Edition: $245 billed annually

2. CISCO

Cisco offers IP PBX solutions tailored for small businesses through its Unified Communications Manager Express (CME) service. It combines traditional call management with advanced VoIP capabilities on a single IP network, eliminating the need for separate hardware for voice and data transfers.

cisco homepage hero section

Beyond basic call routing, Cisco CME enhances communication with additional unified communications features such as video conferencing, messaging, and audio calls.

Pros

Cons

  • Integrates with phone for on-the-go access

  • Enhances effective collaboration and communication

  • Cost-effective, easy to deploy with fun features (gifs & filters)

  • Low user adoption; Looks outdated and unattractive

  • Limited functionality (chat and voice only, no video)

  • Difficult call transfers and poor visibility of coworkers on calls

3. Ooma Office

Ooma Office is a hosted PBX solution designed specifically for start-ups, offering essential telephony features such as IVR, virtual fax, and CRM integration. Additionally, it offers unlimited calling in the US, Canada, Mexico, and Puerto Rico.

ooma homepage hero section

Moreover, you can set up Ooma’s hosted PBX for small businesses in under 15 minutes without specialized technical skills.

Pros

Cons

  • Reliable Customer Support.

  • Crystal clear call quality.

  • Competitive pricing. 

  • Occasional problems with messages and call forwarding.

  • Limited Software integration.

Pricing (Per User / Per Month)

  • Essentials Plan: $19.95
  • Pros Plan: $24.95
  • Pro Plus Plan: $29.95

4. Dialpad

Dialpad offers a cloud-hosted small business PBX solution that integrates voice, messaging, and video calling into one unified platform. Using VoIP and UCaaS technologies, Dialpad streamlines business communications by eliminating the need for separate voice and data networks and on-premises hardware.

dialpad homepage hero section

 Moreover, it offers advanced features like real-time transcription, call analytics, and smart routing to improve collaboration and boost productivity.

Pros

Cons

  • Excellent front-line, first-contact experience.

  • Quality customer support.

  • Automatic call transcription.

  • Difficulty with third-party integration.

  • Occasional missed call notifications error.

Pricing:

  • Standard: $15 /user/month
  • Pro: $25 /user/month
  • Enterprise: Custom 

5. Acefone

Acefone’s PBX system is ideal for small companies looking for cost-effective, scalable communication without upfront hardware costs. Its starter plan starts at as low as $13.77 per month. Moreover, its AI-driven IVR and Automated Call Distribution (ACD) streamline call flows, reducing the need for extra staff while ensuring callers reach the right agents on time.

acefone homepage hero section

Pros

Cons

  • User-friendly interface.

  • Excellent customer service.

  • Great accessibility and ease of use.

  • Easy set-up.

  • Limited advanced features compared to competitors.

  • Occasional problems with receiving incoming calls.

Pricing:

  • Starter: $13.77 Per Month
  • Professional: $18.37 Per Month
  • Ultra: $26.41 Per Month

6. RingCentral

RingCentral is a perfect PBX phone system for small businesses that need a reliable, all-in-one communications solution.

ringcentral homepage hero section

RingCentral offers a small business plan at an affordable rate of $20 per user per month (paid annually). The plan includes advanced features like unlimited domestic calling, shared voicemail, IVR menus, real-time call quality analytics, and developer tools for custom workflows.

Pros

Cons

  • Provides video chat capability.

  • Competitively priced with industry-leading ease of use.

  • Offers responsive and helpful customer support.

  • User-friendly interface with dedicated account management.

  • Inconvenient Support Experiences.

  • Limited, delayed, and sometimes incorrect reporting.

Pricing:

  • Core Plan: $20 /user/month
  • Advance Plan: $25 /user/month
  • Ultra Plan: $35 /user/month

7. MiVoice Business

MiVoice’s Hosted PBX phone system is ideal for small enterprises as it uses a pay-as-you-go model that cuts upfront costs and reduces international calling fees. Powered by MiCloud Connect and hosted on Google Cloud, its key features include auto-attendants, call routing, video conferencing, and CRM integrations.

Pros

Cons

  • Offers a full suite of solutions tailored to different business needs.

  • Easy to use and visually appealing interface

  • Some users struggle to add contacts, leading to accidental calls.

  • The system can randomly stop working without a clear explanation

Pricing:

  • Essentials: $20.99 /user/month
  • Premier: $26.59 /user/month
  • Elite: $38.49 /user/month

8. PBXact

PBXact is built on the popular open-source FreePBX platform. It operates on a monthly per-extension licensing model, meaning small firms can avoid upfront costs and expensive add-on fees.

Additionally, it includes all the essential telephony features, with software updates built right in. Plus, it's easy to set up. You can complete the configuration in as little as 20–30 minutes once you apply your license key.

Pros

Cons

  • Easy to use and deploy.

  • Based on Asterisk, deployable on-premises or in the cloud. 

  • Affordable with many business-friendly features.

  • Uniform pricing may not suit every business need.

  • A ‘one-size-fits-all’ feature set can be a drawback.

Pricing:

  • Trunk+User: $24.95
  • User Only: $8.95
  • Inbound Numbers DID: $1.00

9. 8*8

8x8 PBX telephone system for small businesses and start-ups provides robust collaboration tools with the option to add features like virtual receptionists, auto attendants, and contact center capabilities when needed. Its basic plan for small businesses starts at just $15 per month, which also includes unlimited calls in the US and Canada.

8x8 homepage hero section

Pros

Cons

  • Enables easy call transfers through queues.

  • Easy to set up.

  • User-friendly messaging app.

  • Customer service is poor with scripted offshore call centers.

  • The contract is perpetual, with automatic yearly renewals and no easy exit.

Pricing:

  • X2 Edition: $25 /user/month
  • X5 Edition: $35 /user/month
  • X8 Edition: $55 /user/month

10. FreshCaller

FreshCaller is a popular cloud-based PBX for small businesses, offering local and toll-free numbers in over 40 countries. It offers features like an IVR system and business hour-based routing to aid small businesses in managing call queues effectively.

freshcaller homepage hero section

Moreover, its $0 license fee and pay-as-you-go model allow startups to launch their call centers quickly and cost-effectively without needing expensive hardware investments.

Pros

Cons

  • Easy to set up and implement.

  • Excellent support team.

  • Efficient call tracking.

  • Lacks some key enterprise features and reporting.

  • Does not allow to sync of external contacts

Pricing (/agent/month):

  • Growth: $15
  • Pro: $39
  • Enterprise: $69

What are the Benefits of a PBX Phone System for Small Businesses?

Modern PBX phone systems help small enterprises by reducing call costs, eliminating the need for physical setup, and offering reliable connections and advanced features to manage phone calls efficiently.

  • Save on Call Costs: Using an IP PBX phone system helps you lower your business communication expenses. It uses VoIP (Voice over Internet Protocol) technology to allow calls via the Internet for affordable calls. The calling cost is often cheaper than the traditional phone system for both local and international calls.
  • Eliminates Phone Wiring: Traditional phone systems require extensive wiring, which clutters your workspace and adds to installation costs. In contrast, a PBX system eliminates this mess. It connects through the internet or your existing network, making it easier to set up and manage.
  • Smooth Calling Experiences: Nobody likes dropped calls or choppy audio. With a cloud PBX system, you get reliable and clear connections every time. The system manages call traffic efficiently, ensuring smooth communication even during peak hours.
  • Structured Call Organization: PBX systems offer tools to keep your calls organized and professional. You can set up extensions, create call queues, or direct calls based on specific criteria. With structured call organization, your team can handle calls efficiently and offer the best customer service.

Conclusion

Traditional phone systems burden small businesses with high costs and a lack of advanced telephony features. A modern small business PBX system replaces clunky hardware with cloud-based efficiency, reducing expenses.

For an even more advanced option, a VoIP phone system can be an ideal choice. Calilio, for instance, offers PBX-like features such as call routing, auto-attendants, and seamless connectivity, with added VoIP features. Upgrade today!

Frequently Asked Questions

What type of PBX is used in most companies today?

Many companies today use cloud-based PBX systems due to their flexibility, scalability, and cost-effectiveness. These systems eliminate the need for on-site hardware and provide advanced features like mobile integration, video conferencing, and analytics.

Is PBX better than VoIP?

VoIP is more flexible and comes with advanced features, while PBX offers more control. The choice between VoIP vs. PBX depends on your business’s needs, budget, and infrastructure.


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