Best PBX Software for Small Business

Find and compare the best PBX software for Small Business in 2025

Use the comparison tool below to compare the top PBX software for Small Business on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    3CX Reviews
    Top Pick

    3CX

    Free for up to 10 users
    1,109 Ratings
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    3CX is an open-standards, software-based IP PBX that provides complete Unified Communications right out of the box. 3CX is suitable for all industries and sizes. It can provide everything you need, from mobility and status to advanced call center features and more, at a fraction the cost. 3CX is ideal for remote companies and includes mobile apps, video conference, and website live chat. The installation, management, and maintenance of the PBX are so simple that you can easily manage it yourself, on your own appliance, server, or on a cloud-based platform. You can also choose to have it hosted on 3CX for an easy solution.
  • 2
    Signalmash Reviews

    Signalmash

    Signalmash

    $0
    1 Rating
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    Why struggle with large providers like Twilio, where response times to support requests can feel endless? At Signalmash, we’re more than just another CPaaS provider. Our commitment is to deliver top-tier CPaaS support. With us, your developers gain access to shared Slack channels with our team for quick assistance, and you’re always welcome to reach out directly to our CEO. Our real-time, high-quality support means faster development and empowers you to offer outstanding service to your customers. Our SMS services include: - SMS API - SMS CPaaS - SMS UCaaS - SMS no-code sending platform - 10DLC campaign support - Short code SMS - Toll-free SMS Voice services available: - Contact center telecoms - Voice termination - Voice origination - Local numbers - Short code numbers - Toll-free numbers - SIP Trunking Our No-code telecoms solutions: - UCaaS for SMS - CCaaS for call management - AI-driven solutions Signalmash – get unmatched support every step of the way. Schedule a call with us today for expert guidance!
  • 3
    Thirdlane Reviews
    Top Pick
    A versatile platform and applications tailored for MSPs and UCaaS Providers. Elevate your business with contemporary communication and phone systems, enhancing customer experience without significant upfront expenses. Chosen by a multitude of global customers, UCaaS providers, and resellers, Thirdlane is the preferred solution for those seeking a competitive advantage. Whether for businesses of any scale, government agencies, or call centers, Thirdlane's reliable and user-friendly multichannel communication solutions boost productivity, customer engagement, sales, and cost efficiency. Discover how Thirdlane can bolster your organization; request a quote today. In addition to the telephony features of the Thirdlane Multi Tenant PBX or Thirdlane Business Phone System, customers gain entry to the Thirdlane Connect application (desktop&mobile), covering chat, voice and video calls, conferencing, screen sharing, along with integration capabilities with CRM and diverse applications.
  • 4
    PBXware Reviews
    Top Pick
    PBXware is the first and most established IP PBX Professional Open Standards Turnkey Telephony Platform. PBXware has been providing flexible, reliable and scalable Next Generation Communication Systems (NGCS) and VoIP solutions to small and medium-sized businesses (SMBs), enterprises and Internet Telephony Service Providers, (ITSPs), call centers and governments around the world since 2004. This is done by combining the best of the latest technologies. Bicom Systems softswitch is available in the Business, Call Center, and Multi-Tenant Editions. Each edition supports specific features that maximize performance, reliability, expandability, and expandability.
  • 5
    VitalPBX Reviews
    VitalPBX is a unified communications PBX platform based on Asterisk (Centos 7). VitalPBX is a robust, scalable platform that will allow you to manage your PBX in a simple and intuitive manner. VitalPBX has a simple user interface and tooltips throughout the system. Telephony systems should be aware of security risks and take steps to avoid them. VitalPBX offers a variety of levels of protection against cyber threats in VoIP.
  • 6
    astTECS Reviews
    *astTECS IPPBX system is the ideal solution for any business, large or small. *astTECS PBX has all the top-end features at an affordable price and is TEC certified by DoT (Govt of India). *astTECS IPPBX solution allows your business to be flexible, innovative, competitive, and future-ready while reducing telecom expenses. *astTECS Call Center Dialer is an omnichannel contact centre solution that offers advanced features and a real-time dashboard for agent monitoring. Advanced analytics and AI-based call center dialer will improve agent productivity and customer engagement. *astTECS provides a complete call recording solution for your company. *astTECS voice recorder is easy to use and offers advanced features. Integration with any PBX is seamless. Supports ISDN/PRI, IP, analog lines and mobile to record all incoming and outgoing calls.
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    FreePBX Reviews

    FreePBX

    Sangoma Technologies

    1 Rating
    The term "Free" in FreePBX signifies Freedom, highlighting that FreePBX, the leading open-source IP PBX solution globally, empowers users to create a customized phone system that meets their specific requirements. Explore the potential of open-source communication and examine the extensive range of features that FreePBX provides to help you construct your ideal phone system. By integrating commercial modules from Sangoma and various other add-ons, you can elevate your FreePBX installation into a powerful Unified Communications platform. Don't forget to check the Knowledge Base on the FreePBX Wiki for additional resources! Alternatively, you can reach out to FreePBX professionals for assistance with installation, updates, troubleshooting, and more. Available for free download and use, FreePBX's strength is supported by a worldwide community of developers dedicated to maintaining its high compatibility and customizable nature, ensuring it delivers all the essential functions needed to create a scalable business phone system that accommodates any budget. This collaborative effort fosters innovation and continuous improvement, making FreePBX a reliable choice for communication needs.
  • 8
    Asterisk Reviews

    Asterisk

    Sangoma Technologies

    Free
    Asterisk is a versatile open-source framework designed for creating various communication applications. It transforms a standard computer into a robust communications server. Asterisk serves as the backbone for IP PBX systems, VoIP gateways, conference servers, and numerous other tailored solutions. Its users range from small enterprises to large corporations, call centers, telecom carriers, and government bodies across the globe. Available at no cost, Asterisk thrives under the sponsorship of Sangoma. Currently, over a million Asterisk-based communication systems operate in more than 170 nations. Remarkably, nearly all companies listed in the Fortune 1000 utilize Asterisk in some capacity. Most frequently implemented by system integrators and developers, Asterisk can serve as the foundation for a comprehensive business phone system or can be employed to augment an existing setup or connect disparate systems. Whether you're interested in crafting a personalized system with Asterisk or purchasing an efficient, affordable turnkey solution, explore the options available to determine the best fit for your needs. With its flexibility and wide-ranging applications, Asterisk continues to evolve, ensuring it meets the demands of modern communication.
  • 9
    HoduPBX Reviews
    HoduPBX is the best solution for business communication. HoduPBX's unique user interface and optimal user experience allow businesses to communicate efficiently with their end users. This software provides unparalleled connectivity in an office environment and remote locations, making communication seamless. HoduPBX empowers agents' work management with multitasking capabilities and efficiency. Our IP PBX software is a great choice for business communications. It supports 1000+ concurrent calls and has 10,000 extensions. HoduPBX IP PBX Software offers various sophisticated features such as Add-on Modules, Reseller Module, SIP Trunking, Queue Pro, Voice Transcription, and Webphone. It also offers white label features across IOS, Android, Chrome Extension, Windows, Mac, Linux, and ZohoPhonebridge Plugin.
  • 10
    MikoPBX Reviews

    MikoPBX

    MikoPBX

    $100 per request
    MikoPBX offers a comprehensive phone solution characterized by high performance, exceptional stability, and extensive features. It can be deployed on-premises through hardware installation or hosted on various cloud platforms like Google Cloud, Amazon Web Services, and Microsoft Azure. Notably, MikoPBX is a free telephone system that provides all essential business functionalities at no cost. Users will appreciate the intuitive web interface, which includes features such as call recording, conference calling, voicemail, call transfers, call pickup, call queues, an interactive voice response (IVR) menu, as well as customizable inbound and outbound call rules. Additionally, the system includes options for managing holiday schedules and night-time call settings. MikoPBX supports the integration of plugins and modules developed globally, allowing for enhanced functionality tailored to specific needs. Importantly, MikoPBX does not impose user licensing fees, making it an economical choice for businesses looking to expand without incurring extra costs for new staff or call recording capabilities. This flexibility in scaling ensures that businesses can grow seamlessly while maintaining a robust communication infrastructure.
  • 11
    OpenSIPS Reviews
    OpenSIPS is an open-source SIP proxy/server designed for handling voice, video, instant messaging, presence, and various other SIP extensions. This versatile signaling SIP server caters to carriers, telecom operators, and ITSPs, providing solutions for diverse applications such as Class 4 and Class 5 residential platforms, trunking and wholesale services, enterprise and virtual PBX systems, session border controllers, application servers, load balancers, IMS platforms, call centers, and much more. Its high throughput capability supports tens of thousands of calls per second and millions of simultaneous connections, making it a preferred choice for various SIP scenarios and services. OpenSIPS excels due to its flexible routing and integration options, which allow for custom routing logic through routing scripts and numerous interfacing APIs. With over 120 modules available, it facilitates effective application development for SIP handling, backend operations, and routing logic. Additionally, the 3.2 release of OpenSIPS underwent a thorough security audit, enhancing its safety and reliability for users across the board. This robust framework not only meets current demands but also continuously evolves to address future challenges in the telecommunications landscape.
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    CompletePBX 5 IP PBX Reviews
    Virtual IP PBX (Private Branch Exchange), or Phone System Appliance – CompletePBX is the heart and soul of Xorcom's hardware and software telephone systems. It's built on top of Asterisk and Linux platforms and is designed for stability and high performance. CompletePBX was built from the ground up to offer ease-of-use, advanced features, and security at all levels. Get a fully functional, free CompletePBX 5 virtual machine evaluation now! CompletePBX certification training is available online for free. It will guide you through the basics of the system. You can save a lot of time and effort if you do it yourself. We can help you get there quicker.
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    FusionPBX Reviews

    FusionPBX

    FusionPBX

    $100 per month
    FusionPBX serves as a versatile solution for both single and domain-based multi-tenant PBX setups, functioning as a carrier-grade switch, call center system, fax server, VoIP server, voicemail server, conference server, and voice application server, among other roles. Meanwhile, FreeSWITCH™ stands out as a highly adaptable and scalable communication platform that operates across multiple threads and platforms. It boasts an impressive array of features, including unlimited extensions, voicemail-to-email, music on hold, call parking, call center capabilities, call queues, and phone provisioning, catering to businesses of all sizes. By delivering corporate-level phone system functionalities, it meets the diverse needs of small, medium, and large enterprises alike. Significant efforts have been invested in enhancing security, resolving issues, and refining the codebase. Furthermore, ongoing advancements are being made in preparation for an upcoming release, with notable progress achieved; the master branch has outpaced the current version in several respects. As the team works meticulously to finalize the essential updates, anticipation builds for the enhancements that will accompany this release. The commitment to continuous improvement ensures that the platform will remain competitive and relevant in the rapidly evolving telecommunication landscape.
  • 14
    OpenPBX Reviews
    This PBX software platform is designed for easy installation and configuration, and it is fully compatible with our telephony hardware. It caters to small and medium businesses (SMBs) that desire a high-quality phone system typically associated with larger corporations, but without the hefty cost! OpenPBX leverages the user-friendly nature and efficiency of desktop PCs, seamlessly integrating them with traditional telephone handsets to provide advanced features and complete control over your communication system. Whether you need to connect to primary rate (E1/T1) trunk lines or standard POTS lines, Voicetronix offers the appropriate line interface hardware. Customers can take advantage of the OpenPBX Do-it-Yourself (DIY) option, allowing them to construct their own phone system using affordable PC servers running Linux and standard analog telephones. By configuring and maintaining their own phone system, users can eliminate the dependence on a technician for setup and support. Additionally, with a web browser, users can effortlessly navigate the system to select and listen to their voicemail messages, making communication management more convenient and efficient than ever before.
  • 15
    Vodia PBX Phone System Reviews
    Vodia is a software-based PBX that runs on Windows and Linux. It offers all the advanced features you would expect from a full-featured PBX, including call queues, auto attendants and call forwarding. Vodia is also the pioneer in Multi-Tenancy. You can host Vodia on a dedicated VM( Virtual Machine) in the cloud, premises, and maintain multiple FQDNs for each customer. Sign up for a hosted demo license code for 60 days.
  • 16
    Taridium ipbx Reviews

    Taridium ipbx

    Taridium

    $199 one-time payment
    The Taridium IPBX is an advanced software-based VoIP PBX solution that effectively takes the place of conventional hardware PBX systems. It operates seamlessly on standard server infrastructure or via cloud services without necessitating additional licensing costs. Users benefit from an End User Panel that empowers them to manage various aspects of their extensions, including call operations through an operator console, accessing voicemail, setting up call forwarding, and initiating impromptu telephone conferences among other features. You can customize your extension to forward calls only during specific hours by integrating your iCalendar feed or by selecting from a list of preferred caller IDs. Each user is provided with a meet-me style conference room, eliminating scheduling conflicts and enabling live management of conference calls, including options to mute or remove participants as needed. Inviting users is straightforward, requiring just a click to have the system initiate a call to them, thus avoiding the hassle of complicated login procedures. This system redefines user experience by offering intuitive controls and flexibility that enhance communication efficiency.
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    Dial-Office IP PBX Reviews

    Dial-Office IP PBX

    Dialexia Communications

    Dial-Office is an adaptable and comprehensive IP PBX software crafted specifically for small and medium-sized businesses as well as start-ups eager to leverage the advantages of VoIP technology. Utilizing the SIP standard framework, this IP PBX software offers a variety of sophisticated phone functionalities that were once limited to expensive, traditional circuit-switched enterprise telephone systems. The Dial-Office IP PBX software ensures dependable and affordable unified communications for small to mid-sized enterprises over a well-established Local Area Network. This award-winning VoIP solution guarantees users exceptional voice clarity and a range of business management tools aimed at boosting productivity, reducing communication expenses, and improving customer service. In addition to these benefits, the platform boasts features that cater to the specific needs of modern businesses, making it a versatile choice for enhancing communication efficiency.
  • 18
    Yeastar K2 IP PBX Reviews
    Yeastar K2 IPPBX is available as both hardware and software. It supports 2000 users, 500 concurrent conversations, and 400 VoIP trunks across multiple locations. This gives medium and large enterprises full flexibility and capability. Yeastar K2IP PBX is designed to meet the communication needs of today and tomorrow. It offers enterprise-level features and exceptional reliability. It also allows remote working with next-level Linkus UC Softphone.
  • 19
    FreeSWITCH Reviews
    Everything essential for engaging with the FreeSWITCH platform is provided here. FreeSWITCH serves as a Software Defined Telecom Stack, facilitating the shift from traditional telecom switches to a flexible software solution that can operate on any standard hardware, whether it’s a Raspberry PI or a powerful multi-core server, thus unleashing the telecommunications capabilities of various devices. When paired with our cloud platform, SignalWire, FreeSWITCH can connect seamlessly to external networks and adapt to any scale of operation. To simplify your initiation, a pre-configured virtual machine come complete with comprehensive written and video tutorials, allowing you to get started quickly—just install VirtualBox and you will be set up in no time. For those with advanced programming skills, there are detailed instructions available to compile FreeSWITCH from source or explore other manual installation methods. Additionally, if you have a Debian instance available, you can find thorough guidance on how to install our packages from the provided link, ensuring versatility in your approach to utilizing FreeSWITCH. This platform truly empowers both beginners and seasoned developers alike, making telecommunications more accessible than ever.
  • 20
    Yeastar P-Series PBX System Reviews
    Yeastar P-Series PBX Systems is more than a PBX. It is a converged system designed for SMEs with higher expectations in business communications. The P-Series is a "PBX-Plus-More” solution that unifies voice, video, applications and collaboration. This allows SMEs to achieve more productivity, fill the UC gap and complete more complex tasks.
  • 21
    sipXcom Reviews
    Founded in January 2015, sipXcom emerged from a fork of the sipXecs project, initiated by the eZuce, Inc. development team. The sipXecs and SIPfoundry communities were struggling to expand their developer base due to a limiting contributor agreement, prompting the creation of sipXcom, which features an open contribution model. The source code for sipXcom is licensed under the copyleft-friendly AGLP v3 (Affero General Public License), ensuring greater flexibility for developers. Currently under development, SWARM is the codename for the upcoming iteration of the sipXcom and sipXecs projects, with a production launch expected in early 2017. This new platform will adopt a microservices-based architecture, enhancing scalability, reliability, and configurability beyond what sipX currently offers. SWARM is engineered to be compatible with any computing environment, including dedicated, virtual, or cloud servers, and also allows for hybrid setups that merge on-premise and cloud solutions. With these advancements, sipXcom aims to significantly improve user experience and functionality in the ever-evolving communication landscape.
  • 22
    Kamailio Reviews
    Kamailio® is an open-source SIP server, which evolved from the earlier OpenSER and SER, and is distributed under GPLv2+, capable of managing thousands of call setups each second. This robust platform can be utilized for constructing extensive systems for VoIP, real-time communication, presence, WebRTC, instant messaging, and various other applications. Additionally, Kamailio is well-suited for scaling SIP-to-PSTN gateways, PBX systems, or media servers such as Asterisk™, FreeSWITCH™, or SEMS with ease. Its extensive feature set includes support for asynchronous TCP, UDP, and SCTP, secure communication through TLS for voice, video, and text, as well as WebSocket compatibility for WebRTC. The server supports both IPv4 and IPv6, offers simple instant messaging and presence capabilities with an integrated XCAP server and MSRP relay, and enables asynchronous operations. Furthermore, it includes IMS extensions for VoLTE, ENUM functionality, DID and least cost routing, load balancing, and routing failover. Kamailio also provides comprehensive accounting, authentication, and authorization features, while supporting a variety of backend systems, including MySQL, Postgres, Oracle, Radius, LDAP, Redis, Cassandra, MongoDB, and Memcached. All these capabilities make Kamailio a versatile choice for modern communication infrastructures.
  • 23
    sipXecs Reviews
    Enterprise interaction can be understood as the integration of collaboration and communication efforts. We facilitate secure enterprise interaction through your own private or hybrid cloud environment. The Universal Cloud Communications Stack (UCCS) introduces an innovative approach to utilize big data architectures, allowing for real-time communications and collaboration, which enhances the scalability of transaction-oriented services on a worldwide basis. Key immediate advantages include rapid deployment and automated management that utilize standard infrastructure frameworks. Furthermore, by utilizing virtualized, secure, and scalable containers, we provide hosted and managed communication and collaboration services with great ease, paving the way for new business models for Managed Service Providers (MSPs) and enabling enterprises to achieve significant cost reductions. In fact, communication systems offer the most substantial opportunity for cost savings across all areas of IT. The synergy of contemporary software architecture and data-driven distributed infrastructure presents a powerful opportunity to revolutionize the industry while meeting evolving business needs.
  • 24
    Avaya IP Office Reviews
    Our award-winning Avaya IP Office, accessible worldwide, provides a comprehensive unified communications platform that is both implemented and managed on-site. To enhance the interactions and experiences of both your customers and employees, delve into the extensive capabilities available with IP Office. You can analyze customer calls effectively by utilizing features such as call recording, tracking, and reporting. With the Avaya Call Reporting functionality integrated into IP Office, you can capture and document incoming calls seamlessly. Furthermore, you have the option to incorporate real-time call center agent seats and dashboards to optimize call management processes. When you pair Avaya IP Office with a subscription to Avaya Spaces, you unlock a versatile application that encompasses voice, video, messaging, conferencing, and calendar functionalities, all of which are accessible from any device and location. This integration not only streamlines communication but also enhances overall productivity across your organization.
  • 25
    Pulsar360 Reviews
    Customers can now seamlessly operate from any location thanks to a comprehensive mobility solution that includes essential features for critical operations. Our services allow you to reduce costs through integrated redundancy and the rapid setup of SIP trunks, DIDs, and toll-free numbers. Pulsar360 Corporation’s Voice over IP (VoIP) offerings ensure superior voice communication that can be utilized over cost-effective broadband connections, whether from other providers or through our own managed carrier services. By consolidating their communication needs into a single network connection for both phone and high-speed internet services, clients not only save money but also enhance their productivity. Having dedicated over a decade to refining our VoIP platform, we have developed one of the most advanced and highly automated systems available in North America. This significant progress enables us to provide immediate setup of SIP trunks, hosted and hybrid VoIP PBXs, local and international DIDs, toll-free numbers, and sophisticated management features. With such innovations, businesses can experience a transformation in how they communicate and operate on a daily basis.
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