List of the Top 25 Business Phone Systems for Windows in 2025

3CX is a versatile, software-driven IP PBX built on open standards that delivers comprehensive Unified Communications straight out of the box. It caters to businesses of all sizes and across various sectors, offering a full suite of features that range from mobility and presence indicators to sophisticated call center functionalities, all at a significantly reduced cost. This platform is particularly well-suited for remote work environments, featuring mobile applications, video conferencing capabilities, and live chat integration for websites. Installation, management, and maintenance of the PBX are straightforward, allowing users to easily handle it themselves on their own hardware, a dedicated server, or via a cloud environment. Alternatively, users can opt for 3CX's hosting services to simplify their setup even further. With its user-friendly design and extensive feature set, 3CX empowers companies to enhance their communication strategies effectively.

RingCentral RingEX is a robust cloud-based telephony solution designed to enhance your company's communication efficiency. With enterprise-level communication functionalities like voice, fax, and text, along with the flexibility of BYOD (bring your own device), it enables you to operate from virtually anywhere. The platform's essential features encompass automatic call recording, conferencing capabilities, and unlimited local and long-distance calls. Additionally, RingCentral RingEX offers personalization options, allowing you to tailor call management settings such as call forwarding, message alerts, and notifications for missed calls to fit your specific requirements. This adaptability makes it a versatile choice for a wide range of business environments.

Unlock the potential of effortless communication with ULTATEL, the renowned business phone solution that takes your enterprise to new heights. Our fully adaptable and expandable unified communications platform allows you to seamlessly blend voice, SMS, chat, video, and an array of more than 40 advanced features to enhance productivity like never before. Enjoy complete clarity with ULTATEL’s transparent pricing structure, which eliminates hidden fees and sets a new benchmark in the industry. As a recognized leader in the Gartner Category and a top performer on G2, ULTATEL equips your team with state-of-the-art technology, ensuring they remain connected to customers anytime and anywhere. Should you need help, our Award-Winning Customer Support team boasts an impressive 94% first-contact resolution rate, with dedicated professionals available around the clock, every day of the year. With ULTATEL, your business will thrive, staying adaptable, responsive, and perpetually connected without limits.

Communication channels like voice, text, video, fax, and conferencing are essential in today's business landscape. Phone.com provides a contemporary, adaptable solution that caters to the needs of mobile entrepreneurs and expanding companies alike. With its comprehensive suite of advanced business phone functionalities, Phone.com empowers your evolving business to engage with customers in a professional and efficient manner. Enhanced call handling capabilities help to elevate your brand's reputation, while mobility features ensure that you maintain connectivity with clients, coworkers, and partners at any time and from any location. This versatility is crucial for thriving in a fast-paced business environment.

iPlum offers a mobile-centric solution tailored for business professionals, providing a dedicated line equipped with calling, texting, and comprehensive phone system features accessible on your smartphone, whether for individuals or enterprises. This service functions seamlessly with your current mobile carrier, requiring no changes, and is designed for ease of use while incorporating robust enterprise-level security measures. Healthcare professionals benefit from the platform's HIPAA compliance, while those in the financial and legal sectors can ensure adherence to mobile communication regulations. Businesses are equipped with a variety of advanced functionalities including auto-attendant services, call extensions, call recording capabilities, transcriptions, and automated text replies, ensuring prompt communication during business hours. Additionally, a centralized portal streamlines team organization and allows for management of iPlum users through different profiles and permission levels via a corporate account. With iPlum, businesses can enhance customer relations by automatically sending personalized business messages, demonstrating a commitment to customer care and effective communication. This innovative platform not only streamlines communication but also elevates the professionalism of your business interactions.

At VirtualPBX, we provide a wide range of communication solutions specifically designed to meet the needs of businesses like yours. Our adaptable business phone plans are not only flexible but also scalable, allowing you to personalize features such as call routing, voicemail, and conferencing to suit your organization's specific requirements. With our contact center solutions, we enable you to significantly improve your customer service and support capabilities through tools like interactive voice response (IVR), call queuing, and real-time monitoring for better decision-making. Furthermore, our business texting service facilitates easy communication with customers and colleagues through SMS, ensuring no message goes unnoticed. If you're contemplating a shift from outdated analog phone systems, our Airdial Pots replacement solutions provide a smooth transition to contemporary, cloud-based options. Overall, VirtualPBX is committed to equipping businesses with essential tools that simplify communication, elevate customer service standards, and boost overall efficiency. We invite you to experience our offerings firsthand by requesting a free demo today, so you can see how we can transform your communication strategies.

Intulse is a provider of business VoIP solutions that offers hosted and cloud-based UCaaS services tailored for companies in the United States. Our managed VoIP phone systems prioritize mobility, speed, flexibility, and additional features to meet diverse business needs. Founded in 2015, Intulse aims to aid businesses trapped in outdated communication frameworks that are inefficient yet costly. The Intulse UCaaS (Unified Communication as a Service) platform enhances productivity through the Intulse App, which includes a VoIP softphone, SMS capabilities, messaging features, CRM integrations (such as Salesforce and HubSpot), softphones, time-based routing, virtual receptionists, personalized greetings (including AI-generated options), unlimited extensions, and much more. By choosing Intulse as their cloud VoIP provider, customers gain access to a highly customizable and feature-rich system that aligns with their operational strategies. Our communications specialists collaborate closely with clients to identify and implement the most suitable features, ensuring they maximize the benefits of their system and service. Additionally, Intulse prides itself on providing 24/7 support that is entirely US-based, setting a standard in the industry with our commitment to answering the phone whenever you reach out for assistance. This level of dedication ensures that businesses can rely on us for prompt and effective support at any time.

Are you in the market for a modern phone system? CloudTalk.io presents an advanced cloud-based phone solution tailored for small and medium enterprises, startups, and online retailers. It is also compatible with both sales and customer service call centers, enhancing their operational efficiency. With over 25 integrations available for popular CRM, helpdesk, and e-commerce platforms such as Shopify, Salesforce, and Pipedrive, you can easily connect your existing tools. Additionally, our dedicated 5-star customer success team is committed to ensuring a smooth transition, whether you’re migrating from another system or establishing a new cloud call center from the ground up. Our rapid growth is evident, as we have formed successful collaborations with more than 1,000 companies globally, including renowned names like DHL, Yves Rocher, and Karcher. Plus, you can try CloudTalk risk-free with a 14-day trial that doesn't require any credit card information, allowing you to explore its features without commitment. Experience the benefits of an innovative communication system today!

Revolutionize your contact center operations with CallTools, a cutting-edge cloud-based solution that seamlessly integrates both inbound and outbound dialing to maximize productivity. Boost agent efficiency while building stronger connections with customers through powerful features such as predictive dialing, call recording, and coordinated multi-channel campaigns via email and SMS. Obtain a comprehensive view of team performance with in-depth analytics and real-time reporting capabilities. With adaptable integrations, efficient queue management, and personalized IVR settings, CallTools streamlines processes and enhances call results. Improve your connection rates by utilizing sophisticated data targeting and dynamic caller ID technologies. Designed for simplicity, CallTools equips teams to tackle even the most challenging tasks effortlessly, ensuring a smoother workflow across the board. This innovative platform not only enhances operational efficiency but also fosters a more responsive and customer-centric approach in your contact center.

Ooma Office is a budget-friendly and user-friendly business VoIP solution that has received numerous accolades, making it suitable for companies of all sizes and easy to implement. With Ooma, businesses can access sophisticated voice and collaboration tools that can be customized to fit any workforce size, irrespective of the number of employees. This service provides unlimited lines for businesses and features a straightforward setup process that does not require contracts or long-term commitments, allowing flexibility for users. As small businesses expand, Ooma facilitates the effortless scaling of their phone systems to accommodate growth. Customers are presented with a range of hardware choices, including traditional analog phones, IP phones, or virtual services available through Mobile and Desktop applications. In addition, Ooma offers a comprehensive suite of business phone functionalities designed to deliver a smooth communication experience, including advanced tools such as virtual receptionists, ring groups, call parking, multi-site access, and more, all of which help small businesses project a larger presence. Furthermore, Ooma’s dedication to customer satisfaction ensures that users receive ongoing support and resources for optimizing their communication strategies.

A virtual phone system tailored for enterprises is available, allowing you to handle all business communications using your desktop or smartphone. With plans beginning at just $19 monthly, you can seamlessly make and receive calls from any device. This innovative system enables you to conduct your business calls from a smartphone or desktop effortlessly. Talkroute provides the benefits of a high-end telephone setup without the hassle of buying or maintaining extra hardware. Download our applications now to enhance your calling capabilities on both your smartphone and computer, ensuring you stay connected and professional. Embrace the convenience of modern communication with our easy-to-use platform.

You can obtain an effective business phone system without breaking the bank. At Insider Telecom, we simplify access to advanced tools for small businesses across the United States. We provide the necessary equipment for as long as you require, allowing you to take advantage of essential features such as caller ID, conference calling, call forwarding, and intercom services. Importantly, you won't have to make any upfront investments to acquire a comprehensive business phone system. This is what sets Insider Telecom apart from the competition. Our dedicated support team recognizes that not everyone is familiar with telecommunications jargon, so they are equipped to listen to your unique needs and assist you in selecting the ideal phone system for your requirements. We strive to ensure that you feel assured in your choice of platform and confident in the service you receive. Ultimately, we believe that every business deserves access to top-notch communication tools.

A Hosted Business Phone System PBX can elevate any organization’s image and operational capabilities to that of a Fortune 500 company. With an auto-attendant in place, incoming calls can be efficiently managed, allowing customers to reach the right person by dialing names, selecting extensions, or choosing departments. Additionally, if you're frequently on the go, your calls can be seamlessly forwarded to your mobile device. T-Max provides complete geo-redundancy, with servers strategically located in premier data centers throughout the United States. We utilize multiple carriers to guarantee optimal connectivity to the PSTN, ensuring that your communication remains uninterrupted. T-Max also offers a selection of high-quality desk phones from renowned manufacturers like Yealink and Polycom, with various models available to perfectly fit your workspace. Our offerings extend to a wide range of devices including reception consoles, agent phones, wireless options, and conference room phones. Discover the best value in Hosted Business Phone Systems available today. Call us at 1-888-245-34883 for more information about our services, which include departments, extensions, digital receptionists, voice prompts, voicemail, fax service, and much more. Our comprehensive solutions are designed to meet the unique needs of your business, ensuring that you stay connected and efficient.

For over two decades, our cutting-edge technology has been at the forefront of providing telecom services. We specialize in a variety of areas including Hosted IP-PBX, SIP Trunks, Call Center Software, Wholesale, and Data Services, ensuring that our offerings align with the FCC standards for STIR/SHAKEN network compliance with outstanding service, competitive rates, and top-tier products. The XCast Unified Communications system is designed to be both scalable and international, featuring unlimited, complimentary extension-to-extension connectivity across the globe, all managed effortlessly through a web-based Administrator Control Panel (ACP) that simplifies the oversight of your features. We are excited to present our promotional pricing options, which include the Hosted PBX Basic package at just $9.95 per month and the Sip Trunking Basic plan at only $4.95 per month, making it easier than ever to enhance your communication capabilities.

A dynamic platform and specialized applications designed specifically for MSPs and UCaaS Providers. Transform your business with modern communication and telephony systems that improve customer interactions while minimizing upfront investments. Widely adopted by numerous international clients, UCaaS providers, and resellers, Thirdlane stands out as the go-to solution for those aiming to gain a competitive edge. Whether serving enterprises of various sizes, governmental organizations, or call centers, Thirdlane's dependable and intuitive multichannel communication solutions enhance productivity, foster customer engagement, drive sales, and improve cost-effectiveness. Explore how Thirdlane can strengthen your organization by requesting a quote today. Additionally, alongside the telephony features offered by the Thirdlane Multi Tenant PBX or Thirdlane Business Phone System, customers also enjoy access to the Thirdlane Connect application (available on both desktop and mobile), which encompasses chat, voice and video calls, conferencing, screen sharing, and seamless integration with CRM systems and various applications, providing a comprehensive communication experience. This robust array of features is designed to meet the evolving needs of today's businesses.

The cloud phone solution is specifically built for the Zoom platform, offering a modern user interface paired with enterprise-grade features that enhance voice communication. The Zoom administrator portal facilitates user management and provisioning, along with monitoring call quality and usage metrics. With a globally distributed cloud infrastructure, Zoom ensures secure HD Voice with exceptional reliability suitable for enterprises. Users can seamlessly make and receive calls, share content, and engage in video meetings, while also having the ability to send chat messages through Zoom's desktop or mobile applications. Additionally, phone calls can be effortlessly upgraded to Zoom Meetings, eliminating the need for participants to disconnect or dial into a different conference bridge. Native applications for Windows, MacOS, and Android are designed for ease of use and optimize both voice and video quality. As the range of countries offering local phone numbers continues to expand, customers looking for simplified global telephony management can easily port their numbers to Zoom to streamline their communications. This comprehensive integration allows businesses to enhance collaboration and connectivity across various regions.

Zadarma provides a business phone solution that eliminates the need for extensive wiring or complex hardware setups. Their services include VoIP, Cloud PBX, CRM functionalities, and website widgets, along with seamless integration with leading CRM platforms. Additionally, virtual phone numbers can be obtained in 100 different countries worldwide, starting at just $2 each month, making it an affordable option for businesses of all sizes. This flexibility allows companies to streamline their communication processes while maintaining a global presence.

PBXware stands out as the original and most prominent IP PBX Professional Open Standards Turnkey Telephony Platform available today. Since its inception in 2004, PBXware has been delivering adaptable, dependable, and scalable Next Generation Communication Systems (NGCS) alongside VoIP solutions tailored for small and medium-sized businesses (SMBs), large enterprises, Internet Telephony Service Providers (ITSPs), call centers, and various governmental agencies across the globe. This achievement is realized by integrating the finest elements of cutting-edge technologies. The Bicom Systems softswitch is offered in several editions, including Business, Call Center, and Multi-Tenant, with each edition designed to support specific features that enhance performance, reliability, and expandability, ensuring users get the most out of their systems. This versatility makes PBXware a preferred choice for organizations seeking robust telephony solutions.

VoIPco provides an extensive range of services and an impressive array of features aimed at enhancing your company's telecommunications experience. By utilizing VoIPco, businesses can modernize their phone systems and potentially see a return on investment within 6 to 12 months. You can utilize your telecom services across various devices connected to your IT network, such as desktop phones, mobile devices, and computers. The Unified Communications (UC) system integrates voice, video, chat, and contact center/IVR applications smoothly, leading to significant improvements in communication and overall productivity. Our robust software and services empower you to manage your account effectively while seamlessly integrating our premium cloud communication solutions, ensuring that your business operates efficiently and remains competitive in today's fast-paced environment.

Calilio stands out as a dependable cloud telephony service that enhances business communication through virtual phone numbers available in more than 100 countries. Introduced in 2023, it focuses on user accessibility by providing a straightforward and intuitive dashboard and application. Even those without substantial technical know-how can effortlessly utilize Calilio's diverse features, which encompass texting, calling, voicemail, chat, image sharing, and additional functionalities, all accessible from a single interface. Moreover, Calilio is budget-friendly, with its Basic plan priced at only $15 per month (or $12 if billed annually), offering essential features such as a web/app dialer, call filters, call history, blocking, and forwarding options. For businesses with more advanced requirements, Business and Enterprise plans are available, featuring extra functionalities and flexible pricing tailored to specific needs. In line with modern technological advancements, Calilio incorporates AI-driven call monitoring and evaluation tools. Users can benefit from sentiment analysis to gain insights into customer satisfaction levels, while call summaries and transcriptions provide a clear understanding of conversation details and outcomes. With a strong emphasis on user experience and a comprehensive range of features, Calilio effectively simplifies business communication, making it an outstanding option for organizations of all sizes and industries. This blend of affordability and advanced capabilities positions Calilio as a competitive player in the cloud telephony market.

Enhance your small business communication with our innovative phone solutions that enable you to distinguish between personal and professional conversations. By utilizing a dedicated business number, you can project a more professional image and harness the full potential of your communications. Relying on your personal phone number for business matters can lead to complications, but our service allows you to acquire a business number without the need for additional hardware. Both options integrate seamlessly with your existing personal phone, empowering you to manage your work from virtually anywhere. Grasshopper offers a robust suite of communication features that cater to various business needs, whether you're an independent entrepreneur or managing a growing team, ensuring that your communications are effective and efficient. This flexibility can significantly enhance your overall productivity and help you maintain a clear boundary between work and personal life.

net2phone stands out as a prominent provider of Unified Communications, delivering cutting-edge and cost-effective cloud telephony services across the United States and globally. With over three decades of continuous innovation and a robust Voice over IP foundation, net2phone has rapidly emerged as one of the industry's most dynamic players. Their comprehensive cloud-based solutions in unified communications and contact center technology empower businesses worldwide to engage their customers more effectively through improved intelligence and insights. As they continue to expand their global reach, net2phone remains committed to enhancing the way companies connect with their audiences.

Our cloud-based PBX solution offers phone numbers to facilitate your business expansion and can seamlessly integrate with your current phone or SIP device. Through our PBX portal, you can develop intricate calling strategies while enjoying a wealth of additional features—all without any contractual obligations. By switching to our service, you can achieve savings of up to 70% compared to your current provider. We tailor recommendations to fit your specific needs, and our VoIP services are crafted for businesses that desire a straightforward, dependable, and scalable solution promptly. Our advanced Telephony APIs enable you to augment the functionalities of your existing products, with both SIP Trunking and Hosted PBX supporting API calls, making integration simple and efficient. Additionally, we have a dedicated support team available around the clock, ready to assist you via phone or live chat on our website (https://vndpbx.com). For inquiries, you can reach us in New Zealand at 0 9 8896552 (Auckland) and in the U.S.A. at +1 929 489552 (New York), ensuring that help is always just a call away.

Yodel serves as an innovative receptionist for customer service departments, expertly handling inbound voice communications to pre-qualify calls. This system facilitates call management without the need to switch between different tools, ensuring a smooth experience. With a robust infrastructure built on proven technology, users can collaborate effectively on calls while benefiting from exceptional voice clarity. Within minutes, you can have your phone system operational without the hassle of transferring your existing business number. Yodel seamlessly integrates with more than 1000 software applications, allowing you to link your phone system to your workflows effortlessly. Additionally, it offers access to phone numbers in over 100 countries, ensuring you remain connected with your customers no matter their location. By partnering only with trustworthy local carriers, Yodel prioritizes outstanding call quality and reliability. Our service is designed to maintain high uptime and uphold a secure phone infrastructure. In today's competitive landscape, customer service teams are expected to deliver superior support and enhance customer satisfaction. Yodel eliminates the complexities associated with traditional phone systems, focusing instead on what truly matters: effective voice communication and customer engagement. Moreover, with its user-friendly interface and reliable features, Yodel empowers businesses to enhance their communication strategies and foster better relationships with their clientele.

Vonage Business stands out as a leading cloud communication platform designed for businesses of all types and sizes. It meets the extensive communication needs of organizations striving for growth, offering more than 40 key features alongside functionalities for mobility, conferencing, and smooth integration with top cloud applications. With a user community surpassing 500,000 companies, Vonage offers various flexible plans and packages that cater to different organizational requirements. This versatility contributes to its popularity among businesses looking to significantly improve their communication strategies. As a result, many enterprises have chosen Vonage to help streamline their communication processes and foster better collaboration.