Best Business Phone Systems Software for Small Businesses (Free & Paid)

Running a small business comes with unique challenges, including tight budgets and limited resources. That’s why choosing the right business phone systems software can significantly improve your workflow and help you compete more effectively. Here, we feature the top business phone systems software solutions designed for small businesses—offering affordable pricing, user-friendly interfaces, and scalable features that grow alongside your company.

Last Updated: October 01, 2025

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208 Software

Popular Picks in Business Phone Systems Software

OpenPhone

OpenPhone

$15 Per user

UniTel Voice

UniTel Voice

$9.99 Per month

Nextiva

Nextiva

$15 Per month

8x8 Contact Center

8x8 Contact Center

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List of Top Best Business Phone Systems Software for Small Businesses

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CircleLoop is a cutting-edge business phone systems software designed to enhance communication and collaboration within organizations of all sizes. Offering a comprehensive suite of VoIP solutions, CircleLoop enables businesses to manage calls, messages, and virtual meetings with exceptional clarity and reliability. Key features include call routing, auto-attendants, voicemail-to-email, and detail... Read more about CircleLoop

Free Trial

Available

Pricing Type

$5 Per user

Location

United Kingdom

Teams Phone is a cloud-based business phone system designed to provide seamless communication within organizations. Integrated with Microsoft Teams, this software allows businesses to manage all their voice communication needs from one platform. Teams Phone supports VoIP (Voice over Internet Protocol) calls, offering a cost-effective solution for businesses to make and receive phone calls via the ... Read more about Teams Phone

Free Trial

NA

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Location

United States

Operator Connect is a business phone system that integrates seamlessly with Microsoft Teams, offering businesses a simple and secure way to manage their voice communication needs. This software is designed to provide a unified communications solution that connects teams and external callers via a single platform. With Operator Connect, businesses can use Microsoft Teams to make and receive calls, ... Read more about Operator Connect

Free Trial

NA

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Location

United States

Ringostat is a powerful call tracking software designed to help businesses monitor and analyze their phone call interactions with customers. The platform provides tools for tracking calls from various marketing channels, including online ads, websites, and social media, giving businesses insights into which channels are driving the most engagement. Ringostat integrates with CRM systems, allowing b... Read more about Ringostat

Free Trial

Available

Pricing Type

$33 Per month

Location

Ukraine

Natterbox is a cutting-edge call center software designed to enhance communication and streamline operations for businesses of all sizes. This innovative platform integrates seamlessly with existing CRM systems, providing agents with a unified view of customer interactions and enabling personalized service. With features like intelligent call routing, automated responses, and real-time reporting, ... Read more about Natterbox

Free Trial

Available

Pricing Type

$52 Per user

Location

United States

Callture is a cutting-edge Telephony Software designed to revolutionize business communication by integrating advanced voice and data solutions into a unified platform. This comprehensive software offers a wide range of features, including VoIP calling, call routing, automated attendants, and real-time analytics, ensuring that businesses can manage their telephony needs efficiently and effectively... Read more about Callture

Free Trial

Available

Pricing Type

Contact Vendor

Location

Canada

Cloud Phone System and SMS Solution

JustCall is a cloud-based phone system designed for business communication. It offers features like local phone numbers from over 58 countries, facilitating international calls. The platform enables both outbound and inbound calling, with call recording for quality monitoring. JustCall integrates smoothly with popular CRM and Helpdesk tools, enhancing customer relationship management. It includes ... Read more about JustCall

Free Trial

14 Days

Pricing Type

$29 Per month

Location

United States

ZIWO is a comprehensive call center software offering businesses a cloudbased solution to manage and enhance customer interactions. Known for its simplicity and ease of use, ZIWO supports inbound and outbound calling, realtime monitoring, and detailed analytics to boost productivity and improve customer service quality. The platform integrates with various CRMs, enabling agents to access customer ... Read more about ZIWO

Free Trial

Available

Pricing Type

$40 Per month

Location

United States

The FP&A Software Solution For Excel Users

Datarails stands out as advanced planning, budgeting, and forecasting software, designed to elevate organizational financial management. It serves as a comprehensive tool, allowing businesses to efficiently plan, track, and project their budgets. With Datarails, users benefit from intuitive interfaces, simplifying the budgeting process. The software facilitates collaboration among team members, en... Read more about Datarails

Free Trial

NA

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Location

United States

The AI-driven communication platform for staffing and sales.

Ringover is a cloud-based phone system designed for businesses seeking effective communication solutions. It offers features like call forwarding, ensuring calls are never missed. Ringover provides a unique feature of integrating with CRM systems, streamlining customer data management. The software includes voice and video conferencing, facilitating team collaboration. Users can benefit from call ... Read more about Ringover

Free Trial

7 Days

Pricing Type

$21 Per month

Location

United States

LeadDesk is a powerful telemarketing software designed to enhance the efficiency and effectiveness of sales teams. This software provides a comprehensive platform for managing outbound calls, tracking leads, and analyzing performance metrics. With its user-friendly interface, LeadDesk allows sales representatives to easily manage call lists, schedule follow-ups, and record interactions with potent... Read more about LeadDesk

Free Trial

Available

Pricing Type

$99 Per feautre

Location

Finland

CloudCall is an advanced help desk software designed to enhance customer service through integrated communication tools. This platform provides comprehensive solutions for managing customer inquiries, tracking support tickets, and improving team collaboration seamlessly. With its user-friendly interface, help desk agents can easily manage calls, emails, and chat interactions from a single dashboar... Read more about CloudCall

Free Trial

Available

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Location

United Kingdom

Fonvirtual Call Center is a robust software solution designed to streamline customer service operations for businesses of all sizes. Offering comprehensive tools for managing both inbound and outbound calls, it enables organizations to enhance customer interactions efficiently. Features like automatic call distribution, call monitoring, and performance analytics empower managers to optimize agent ... Read more about Fonvirtual Call Center

Free Trial

NA

Pricing Type

Contact Vendor

Location

Spain

Tierzero Voice App is a business phone systems software designed to provide organizations with reliable, high-quality voice communication solutions. With features like call routing, voicemail, conferencing, and virtual numbers, Tierzero Voice App enables businesses to manage calls efficiently across multiple locations. The platform supports mobile and desktop applications, allowing employees to st... Read more about Tierzero Voice App

Free Trial

NA

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Location

United States

MOT/PBX is an advanced business phone systems software designed to manage and streamline communication within organizations of all sizes. The system provides businesses with a virtual private branch exchange (PBX) solution that integrates voice calling, messaging, and video conferencing into a unified platform. MOT/PBX allows for efficient call management, including call forwarding, voicemail-to-e... Read more about MOT/PBX

Free Trial

NA

Pricing Type

Contact Vendor

Location

Japan

All-In-One Cloud Communications for Global Businesses

AVOXI is a cloud-based communication solution tailored for businesses, offering global voice and contact center services. It enables international calling with a vast selection of local and toll-free numbers from over 170 countries, enhancing global reach. The software includes a virtual call center, equipped with call queuing, routing, and recording features, improving customer support efficiency... Read more about AVOXI

Free Trial

Available

Pricing Type

$9.99 Per month

Location

United States

myIstra SwitchBoard is a versatile business phone systems software designed to optimize communication within organizations. It provides a comprehensive platform for managing voice calls, video conferencing, and messaging, enabling seamless connectivity among team members and clients. With its intuitive interface, myIstra SwitchBoard simplifies the setup and management of phone lines, extensions, a... Read more about myIstra SwitchBoard

Free Trial

NA

Pricing Type

Contact Vendor

Location

Spain

Tossable Digits is an innovative business phone systems software designed to enhance communication and collaboration within organizations. It offers a comprehensive platform for managing phone calls, messaging, and virtual meetings with ease and efficiency. Tossable Digits’ user-friendly interface allows businesses to set up and manage multiple phone lines, call routing, and voicemail without th... Read more about Tossable Digits

Free Trial

NA

Pricing Type

$7 Per month

Location

United States

Telzio is a robust Telephony Software designed to enhance communication and collaboration for businesses of all sizes. This cloud-based platform provides a suite of features, including call routing, voicemail, conferencing, and analytics, all accessible from any device with an internet connection. Telzio’s user-friendly interface allows businesses to customize their phone system effortlessly, en... Read more about Telzio

Free Trial

Available

Pricing Type

$50 Per month

Location

United States

Diabolocom is an advanced call center software designed to enhance customer service and streamline communication processes for businesses of all sizes. It offers a comprehensive platform for managing inbound and outbound calls, supporting multiple communication channels such as voice, email, chat, and social media. With Diabolocom, call centers can efficiently handle high call volumes, route calls... Read more about Diabolocom

Free Trial

NA

Pricing Type

$30 Per month

Location

France

RingBoost is a state-of-the-art telephony software designed to enhance and streamline communication for businesses of all sizes. It offers a comprehensive platform for managing voice calls, messaging, and virtual meetings with ease and precision. RingBoost features intuitive call routing, automated voicemail transcription, and advanced call analytics, enabling organizations to optimize their commu... Read more about RingBoost

Free Trial

NA

Pricing Type

$12.99 Per feautre

Location

United States

VoIP.ms is a versatile VoIP (Voice over Internet Protocol) software that provides businesses with an affordable, flexible solution for managing voice communications. This software enables users to make and receive calls over the internet rather than traditional phone lines, reducing communication costs while maintaining high-quality service. VoIP.ms offers a wide range of features, including call ... Read more about VoIP.ms

Free Trial

NA

Pricing Type

$0.85 Per month

Location

Canada

Enreach Contact is an advanced business phone systems software designed to help organizations streamline their communication processes. This platform provides comprehensive tools for managing phone calls, video conferencing, and team collaboration, ensuring that businesses can enhance their communication strategies. Enreach Contact features an intuitive interface that simplifies communication mana... Read more about Enreach Contact

Free Trial

NA

Pricing Type

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Location

Spain

Kixie PowerCall is an advanced auto dialer software designed to enhance sales productivity and improve customer communication. This platform provides comprehensive tools for managing calls, tracking leads, and automating outreach seamlessly. With its user-friendly interface, sales teams can easily make calls, log interactions, and monitor performance in real-time. Kixie PowerCall features robust a... Read more about Kixie PowerCall

Free Trial

Available

Pricing Type

Contact Vendor

Location

United States

Toky is an advanced IVR (Interactive Voice Response) software designed to enhance customer service and communication for businesses. This platform provides robust tools for creating customizable voice menus, allowing customers to navigate services efficiently. With its user-friendly interface, organizations can easily set up call flows, manage responses, and monitor interactions. Toky’s analytic... Read more about Toky

Free Trial

Available

Pricing Type

$25 Per user

Location

United States

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