Best Business VoIP Providers for Enterprise - Page 5

Find and compare the best Business VoIP providers for Enterprise in 2025

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

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    FluentStream Reviews

    FluentStream

    FluentStream

    $20.00/month/user
    Are you looking for a business phone system that is affordable and reliable? It would be great to spend more time with your customers than waiting on hold with your provider every little change. FluentStream is your home! FluentStream is committed to being the best business communication system. No-contract plans are available for all accounts. We provide 24/7 client support. We will be there for you throughout the onboarding process. We understand how difficult phone setup can be. We're happy to take over the heavy lifting so that you don't have too. It's all part and parcel of being the easiest business to work with.
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    thinQ Reviews
    thinQ provides a "better" way to power voice and SMS/MMS messaging applications in the cloud. Get up and running quickly with our integrated thinQ io portal and APIs. We make it easy to bring your 40 high-quality carriers to Twilio and Nexmo, Plivo and SignalWire, as well as enterprise contact centers and telecom VoIP providers. Our APIs allow you to quickly add and control inbound and outbound voice, texting, and other features to your existing tech stack. You can also connect to existing SIP providers to improve call delivery and quality. Our fully integrated thinQ.io Web platform makes it easy to purchase and port phone numbers, create route profiles, trunks, enable text messaging, as well as create route profiles, trunks, and other functions. You'll find a "better" way to communicate if you add call-specific analytics, SIP ladders, and our five-star support team to mitigate, route around outages, create customized routes and blocks, etc.
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    RingRoost Reviews

    RingRoost

    RingRoost

    $20.00/month
    Configure your business communications exactly as you envision with the leading PBX system in the industry. Create and oversee advanced calling systems that exceed your expectations. Seamlessly connect your office, mobile, and desktop devices to streamline communication. Enhance your business on the go with the RingRoost Mobile App, allowing you to manage contacts, voicemails, and additional features effortlessly. Avoid the hassle of outdated phone servers or complicated Asterisk/FreePBX configurations. Utilize the dependable and distributed architecture of RingRoost to guarantee superior call quality and modern VoIP capabilities. Easily register your SIP phone or client with RingRoost through our intuitive drag-and-drop VoIP controls. Set up E911 services by simply providing your address and activating the service on your SIP/VoIP phone. Effortlessly search for any phone number across all area codes. Additionally, create custom flow charts for each of your phone numbers or modify the voice response based on the incoming call, ensuring a personalized touch for every interaction. This level of customization empowers you to optimize your business communication strategy like never before.
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    VoipNow Reviews

    VoipNow

    4PSA

    $145.00/month/user
    VoipNow serves as a comprehensive cloud communications solution designed specifically for service providers and businesses that require a powerful enterprise PBX system. This platform encompasses a wide array of features, including voice, video, presence, instant messaging, conferencing, faxing, and contact center capabilities, ensuring an all-encompassing communication experience. As a result, organizations can easily manage their communication needs through a single, integrated platform.
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    Toky Reviews

    Toky

    Toky Inc.

    $20.00/month/user
    Toky is a fully-featured Business Phone System that allows customers and employees to communicate easily. All you need is an internet connection. Virtual phone numbers allow you to be available from anywhere in the world. Integrate your CRM with your business tools seamlessly so you can call customers with one click and automatically log all details. With proven reliability and affordable rates, you can take advantage of features like call recordings, voicemails SMS, Speech to Text, and voicemails.
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    OfficeConnect Reviews

    OfficeConnect

    UniVoIP

    $18.95 per user per month
    OfficeConnect™, provides unified voice, conferencing and messaging as well as faxing. Our VoIP phones are more flexible and cheaper than legacy on-premises systems. You can keep your projects moving and synchronize teams with best-in class audio and video conference made easy. UniVoIP encrypts all voice traffic, both from remote and on-site telephones. It uses SRTP with 128 bit AES encryption. SRTP conforms to both the federal standards FIPS 140-2 Certified encryption and the Department of Defense's PKI Digital Certificate.
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    CloudCall Reviews

    CloudCall

    CloudCall

    $15/user/month
    CloudCall is the only communications software dedicated to businesses who use CRMs. By capturing all calls and communications, and saving them into the CRM contact records, CloudCall helps businesses make more insightful decisions, stay in control of teams working from anywhere, and get more done faster.
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    4Voice Reviews

    4Voice

    4Voice

    $10 per month
    4Voice's telecommunications specialists thoroughly evaluate every aspect of your voice communication requirements to create a tailored solution that aligns with your company's budget, bandwidth, and specific priorities. With personalized service and dedicated training, you can expect a seamless deployment process without any downtime, allowing your team to concentrate on essential tasks. Regardless of whether you are making calls from a home office, various branches, or while working remotely, your voice communications are securely managed, ensuring that the cloud service is efficient, clear, and dependable. Moreover, businesses can potentially cut their phone expenses by up to 50% with 4Voice's offerings. By utilizing 4Voice, you benefit from a unified infrastructure that supports both voice and data (Internet), providing local, domestic, long-distance, toll-free, and eFax services, all available at an affordable price. This comprehensive approach simplifies communication while enhancing overall productivity across your organization.
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    UniTel Voice Reviews

    UniTel Voice

    Unitel Voice

    $9.99 per month
    What is Unitel Voice? Unitel Voice is the business builder’s phone system – a work-from-anywhere phone system for small business owners who don’t have time for overcomplicated tech. Who is Unitel Voice for? Entrepreneurs, bootstrapped startups, and small business owners (i.e., Business Builders) who need a business phone number and virtual phone system to stay connected and sound professional. Why choose Unitel Voice? Unitel Voice is The Business Builder’s Phone System™ - Work from anywhere on any device. - Built for non-technical small business owners. - Backed by award-winning one-on-one support.
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    Nextiva Reviews

    Nextiva

    Nextiva

    $19.95 per month
    Nextiva provides a comprehensive cloud-based unified communications solution that enhances connectivity for businesses. By offering a variety of communication options, Nextiva equips modern enterprises with the tools they need to thrive. Whether working from a desk or on the go, teams utilizing Nextiva benefit from effortless mobility, enhanced clarity in communication, and a service that can grow alongside their needs. All forms of communication—phone, SMS, video, and email—are consolidated into one platform, along with tools designed to boost customer experience and productivity. This integration helps eliminate the frustration of juggling multiple applications by allowing users to interact with both customers and colleagues from a single interface. It also addresses productivity challenges by ensuring that vital information is accessible when required. Businesses can engage with customers through their preferred channels and maintain a comprehensive view of all conversations and feedback. Discover more about our top customer engagement tools to further enhance your interactions. Gain insights into customer sentiments with every engagement, ensuring a more tailored approach to service delivery.
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    Flowroute Reviews
    In 2013, Flowroute emerged as the pioneering software-centric carrier, introducing the Flowroute HyperNetwork™ to meet the rigorous demands of carrier-grade services while leveraging the flexibility, automation, and scalable nature of cloud technology. The Flowroute SIP Trunking solution allows for seamless integration with existing PBX systems or analog/digital telephone adapters in just a few steps. Customers enjoy the freedom to adjust their call capacity as needed, paying solely for the minutes they consume, which means there are no limits on concurrent calls with Flowroute’s inbound SIP trunking. This eliminates the hassle of capacity planning, as the system automatically generates new instances to accommodate increasing call volumes, ensuring that voice services can expand effortlessly. Additionally, Flowroute optimizes outbound call audio transmission through the most efficient routing path available, enhancing call quality while reducing costs for both local and international calls. Overall, Flowroute's innovative solutions provide unparalleled flexibility and efficiency in telecommunications services.
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    RingCaptcha Reviews

    RingCaptcha

    RingCaptcha

    $9.00/month
    Our reliable and simple SMS and Voice 2FA product allows you to validate leads and block bad actors so that you can engage worldwide customers. RingCaptcha's 2-factor authentication (2FA), provides a screen to block fake leads, while our backend code identifies and blocks suspicious requests and adds them to a blocklist to protect your business. RingCaptcha allows you to validate your leads so your sales team can know which ones are genuine and which are not. Review leads to identify competitors and stop them from getting inside information about your business. To screen repeat trial users who are not interested in purchasing your product, capture user data and increase costs. Get real leads, not freeloaders! A single click can often be all it takes to start a sales process. Use 2FA by SMS/Voice for real leads.
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    Ninja Number Reviews

    Ninja Number

    Ninja Number

    $9.95/month
    Ninja Number is an application that places a second number on your cellphone. This allows your business to follow your every move. It manages your communications for you, reminding you of missed calls, answering the phone and even answering it. Ninja Number allows you to connect up to five devices and have your team members answer calls and text messages. To help customers resolve their issues quickly, several team members can join a text conversation. Auto-reply allows you to customize answers to frequently asked questions. When you receive a voicemail, text or message related to this question, Ninja Number's artificial Intelligence detects it and automatically sends you the answer. Ninja Number grows with you. You can have live operators answer your calls if you are too busy. Upgrade to a PBX system that has pre-programmed greetings or extensions for employees.
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    8x8 Express Reviews

    8x8 Express

    8x8

    $12 per user per month
    Transform your communication with a complete business phone system for just $12 a month. The journey to success begins the moment a customer reaches out to you, and with 8x8 Express, you can make a lasting impression right from the start. This robust phone system is easy to set up in only minutes and includes essential features like voice calls, video conferencing, texting, and chat, all for an affordable monthly fee. Gain access to the same advanced communication tools that large enterprises use, whether you’re creating a new business phone number or porting your current one. Enjoy high-definition audio and video conferencing, along with team messaging to connect with customers and employees effectively. With unlimited calling across the U.S. and Canada and features like call forwarding and music on hold, you can ensure seamless communication. In addition to HD voice and video calls, you’ll have the capability for business SMS and texting, as well as one-on-one and group chat options. Express is ready for use immediately upon account activation, and you can effortlessly add users and modify settings as needed, making it an ideal solution for both home-based businesses and small enterprises operating from a single location. This service will not only enhance your communication strategies but also empower your business to thrive in a competitive environment.
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    Vonix Reviews

    Vonix

    Vonix

    $29.99 per user per month
    Imagine your customers being able to communicate with you in a seamless way. All communication channels, including SMS, chat, messaging, social media, and SMS, are now integrated in one interface that aims to simplify communication. We have a lot more in store for you. Register now to be the first to receive Flex. Flex by Vonix allows you to chat, call, text, message, and socialize with your business profile using one mobile app. All your business phone features will be available to you from your mobile phone, just as if it were in the office. You can text or message customers and also transfer entire conversations using the internal collaboration features. Keep everyone updated by syncing conversations to customer records. Access business calling features like interactive voice menus, day/night mode, voicemail transcription & more. Customers can communicate with you via their preferred method to improve customer satisfaction and speed up resolutions.
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    Acefone Reviews

    Acefone

    Acefone

    $19.99 per user per month
    Acefone allows you to personalize a VoIP phone system that works for your company. Unlimited plans starting at $19.99/user/month can help you save up to 25% annually Get a free 15-day trial with no contract today! Choose a plan that fits your budget. Acefone VoIP can be set up in just hours. You will also receive a dedicated agent for support and onboarding 24x7. VoIP numbers are available for any US/UK region/state. No charge for porting. Acefone is easy to use and designed for hybrid working. The phone system supports 25 CRMs and helpdesk software, and is available in iOS, Android, Windows and Windows versions. Capterra's top-rated VoIP provider.
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    CommPeak Reviews

    CommPeak

    CommPeak

    $75 per month
    CommPeak: Elevate Your Business Communication Unlock seamless, cost-effective, and secure cloud-based communication with CommPeak. Our advanced solutions optimize operations, enhance engagement, and drive growth. 🚀 Predictive Dialer – Maximize agent talk time with live call connections. 📞 Omnichannel – Voice, SMS, and WhatsApp in one powerful tool. 📊 Real-Time Monitoring – Track performance with intuitive dashboards. 🔒 Enterprise-Grade Security – Protect data with encryption and compliance. 🌎 Global Coverage – Reach 75+ countries with Tier-1 SIP and local DIDs. 🔗 100+ Integrations – Sync seamlessly with your CRM. Optimized Dialing Strategies 📌 Smart Caller ID – Boost answer rates with location-based IDs. 📌 Auto SMS Follow-Ups – Instantly send personalized messages. 📌 AI-Powered Call Ratios – Optimize dialing with machine learning. ✅ Custom Call Center Solutions – Inbound, outbound & blended support. ✅ Superior Quality & 24/7 Support – Direct Tier-1 connections. ✅ Rapid Setup – Deploy in just two days. 📩 TextPeak – Targeted SMS & WhatsApp campaigns with analytics. 🚀 Upgrade today with CommPeak!
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    Ringblaze Reviews

    Ringblaze

    Ringblaze

    $15 per month
    Ringblaze has designed a phone system for startups and small businesses. It really does offer everything a new online business model requires to achieve superior customer satisfaction. Everything is combined in a shared intuitive dashboard. Just pick a new phone number or port an existing one, be it a local, toll-free, or vanity number. Download the app and invite your team to start blazing. No new hardware is required, use your own computer and smart phone. Keeping track of new and existing contacts and team productivity becomes easy. Existing issues can be assigned and unassigned and missed calls don't slip through anymore. You are not a call person? No problem, Ringblaze supports SMS and MMS as well! You choose how you want to communicate with customers and your team. Ringblaze has developed a unique tool to further improve customer support and satisfaction - via call widget. This simple button is implemented on your business website so that your visitors can call you for free from all over the world. Even if you miss a call, you can text or call right back. You can even customize your widget to match your brand, or place it in your e-mail signature. Ringblaze is an app for desktop and mobile (iPhone and Android)
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    Tresta Reviews

    Tresta

    Tresta

    $15 per user per month
    Tresta is an innovative virtual phone system and mobile application that transforms any smartphone into a dedicated business phone. It provides unlimited calling, texting, and robust call management tools, enabling your business to communicate more intelligently and effectively. Priced at only $15 per user each month, Tresta includes all the essential features for your business to present a polished image without the burden of contracts, hidden fees, or per-minute charges. Begin your journey today with a free 30-day trial of Tresta. The user-friendly mobile app allows you to manage both your business and personal calls seamlessly on a single device, ensuring a clear distinction between your personal and work life. With Tresta’s virtual phone system, you gain access to all the necessary resources to efficiently route and handle calls, helping your business maintain a professional appearance at all times. In addition to these benefits, Tresta’s straightforward pricing gives you unlimited calling and texting along with powerful call management features, all included for one low monthly fee. This makes it an ideal solution for entrepreneurs and businesses aiming to enhance their communication capabilities.
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    1voice Reviews

    1voice

    1 Voice Tech

    $19.95 per user per month
    Engineered with distinctive features and advantages, this system can revolutionize your company's communication infrastructure into a formidable asset. You can effortlessly join both static and dynamic conferences, monitor participant lists, and extend invitations to new members. Strengthen the connections necessary for optimizing your operations, all while integrating seamlessly with your preferred CRM platform. VoIP stands out as a budget-friendly and highly effective phone system option for enterprises. By hosting your PBX with 1Voice, you eliminate hardware expenses, potentially saving up to 65 percent compared to traditional analog systems, as we handle all hardware requirements and maintenance. This allows you to focus on growing your business without the hassle of managing outdated technology. Embrace the future of communication with a solution designed to adapt to your evolving needs.
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    Voiply Reviews

    Voiply

    Voiply

    $7.16 per month
    As high-speed internet becomes increasingly affordable, both homeowners and small business owners are making the transition to VoIP. We make sure our customers have access to the necessary specialists and resources to quickly set up Voiply with all the essential features required by their users. After installation, we ensure that our operations run exceptionally well, consistently supporting our clients and their businesses. Established in 2012, Voiply was created with a clear mission in mind; we recognized a shift in the market and the growing need for companies to communicate in a more efficient manner. Back then, we anticipated that the "Cloud" was not just a temporary trend, but rather the future of communication. This foresight led us to develop a cloud-based unified communication system that leverages the latest technologies. Our goal was to be at the forefront of this evolution, providing exceptional service to SMBs worldwide. Additionally, the Voiply Extra Line app enables users to utilize their Data or WiFi connection to gain an extra phone line, further enhancing communication capabilities. This innovative approach reflects our commitment to continually adapt and meet the changing needs of our clients.
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    GoVoIP Reviews

    GoVoIP

    GoVoIP

    $9.95/month/user
    Are you tired of being on hold for hours and getting no response when you finally speak to someone? GoVoIP doesn't do this. You will have access to your portal to make changes to your phone and account. Send us an email and we will do the rest. We tailor our service to your needs. We offer VoIP phones starting at $14.95/month or $14.95/SIP trunk/month. We offer 4G VoIP wireless that doesn't go through your network router so customers can receive clear voice calls. We also offer managed routers to use when needed. We also offer fax solutions that can connect to legacy fax machines to allow customers to send/receive faxes through their email as well as their fax machines.
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    Traverse Telecom Reviews

    Traverse Telecom

    Traverse Telecom

    $0.01 per minute
    Discover an extensive array of communication solutions conveniently located in one place. Join Traverse Telecom and enable your customers to connect effortlessly! Elevate your business framework with top-notch phone connectivity that enhances customer experiences. Greet your clients with a reliable standard telephone service, no matter where you are working from. Expand your outreach and connect with international customers through our premier International toll-free 800 numbers. Want to tap into global markets? Open your business to new opportunities by leveraging our Direct Inward Dialing (DID) capabilities available in over 90 countries. Don't let valuable business opportunities slip away due to missed calls; our call forwarding service allows you to direct customer calls to your preferred business location based on your priorities. We offer comprehensive Cloud PBX Solutions, eliminating the need for traditional on-premises systems. With Cloud PBX, you gain unparalleled flexibility and control, all while enjoying a robust suite of advanced features that can enhance your operations. Embrace the future of communication and watch your business thrive.
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    The Real PBX Reviews

    The Real PBX

    The Real PBX

    $12 per month
    Empower your employees and departments to connect seamlessly through the cloud on any device, at any time, from anywhere. Your customers in the US, UK, Australia, and beyond can reach you without incurring any charges. Utilize top-tier phone system solutions to meet all your communication needs effectively. Within minutes, you can set up a fully-equipped contact center tailored to any number of agents required. The Real PBX offers exceptional quality telephony through its Hosted PBX solution, a cloud-based business phone system that combines all the essential features of traditional VoIP with the unique benefits of cloud technology. Experience this innovative system and transform your business's connectivity like never before. Renowned for providing cloud-based voice calling services, The Real PBX is dedicated to enhancing small and medium businesses globally. Since 2004, The Real PBX has been committed to delivering effective connectivity solutions. No matter your operational structure—whether inbound, outbound, or a combination—you can count on unlimited calling to ensure your business continues to thrive and grow. Embrace superior communication and watch your business flourish in the digital landscape.
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    Voipfone Reviews

    Voipfone

    Voipfone

    $1.38 per month
    Experience unparalleled flexibility with options to pay as you go, customize your plan, or select an all-inclusive package that caters precisely to your requirements through a modern, cloud-based internet phone service. Everything is managed online and is under your control, available instantly without the need for site visits, installation, or maintenance—just plug in and start using. Voipfone offers plans starting at just £1 per month and includes numerous innovative features at no additional cost. This award-winning service delivers reliable and cost-effective advanced cloud-based internet phone solutions tailored for small businesses. Voipfone is accessible to everyone, whether you're a fresh startup in need of a new phone number, a growing organization looking for adaptable support for new employees or remote workers, or an established company aiming to upgrade from an outdated office PBX system. By choosing Voipfone, you can seamlessly transition your phone system to the cloud, enjoying a hassle-free VoIP PBX that can be implemented quickly and affordably. Not only does this service enhance communication, but it also empowers businesses to scale effortlessly as they grow.