Best Business Phone Systems for Zendesk

Find and compare the best Business Phone Systems for Zendesk in 2025

Use the comparison tool below to compare the top Business Phone Systems for Zendesk 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
    1,168 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.
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    RingCentral RingEX Reviews
    Top Pick

    RingCentral RingEX

    RingCentral

    $19.99/month/user
    3,089 Ratings
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    RingCentral RingEX, a powerful cloud-based telephone system, helps optimize your business communication. RingCentral RingEX provides enterprise-grade communication tools, including voice, fax and text, as well as BYOD (bring your own device) capability. This allows you to work wherever and however you choose. RingCentral RingEX's core features include auto-recording and conferencing as well as unlimited long-distance calling and local calls. RingCentral RingEX can be customized to suit your needs by configuring call management features such as call forwarding, message alerts and missed-call notifications.
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    ULTATEL Reviews

    ULTATEL

    ULTATEL

    $14.95 per user per month
    100 Ratings
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    Discover the potential of effortless communication with ULTATEL, the celebrated business phone solution that elevates your organization to new heights. Our fully adaptable and scalable unified communications platform allows for seamless integration of voice, SMS, chat, video, and over 40 advanced features, driving exceptional productivity. Enjoy complete transparency with ULTATEL's straightforward pricing structure, which eliminates any hidden fees and sets a new benchmark in the industry. As a recognized Category Leader by Gartner and a G2 High Performer, ULTATEL equips your team with state-of-the-art technology, ensuring they can connect with customers anytime, anywhere. Need support? Our award-winning Customer Support team boasts an impressive 94% first-contact resolution rate, with dedicated professionals available around the clock, 365 days a year, to assist you. With ULTATEL, your business remains agile, responsive, and perpetually connected, allowing you to break through all limitations.
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    CallTools Reviews
    Top Pick
    CallTools offers a contemporary Business Phone System that emphasizes adaptability, clarity, and user control. Whether your workforce is working remotely, in the office, or operating in a hybrid model, our completely cloud-based solution provides all the necessary tools to oversee business communications in one centralized location. Effortlessly direct incoming calls with IVR and sophisticated queues, while your outbound teams can take advantage of intelligent dialing and caller ID techniques to enhance engagement. Our built-in features, including call recording, voicemail, and live monitoring, ensure both quality assurance and compliance. Additionally, with an integrated CRM, comprehensive call logs, and customizable statuses, handling customer interactions has never been easier. CallTools seamlessly connects with your current technology ecosystem and scales effortlessly with your team’s growth. With outstanding audio quality, dependable uptime, and support based in the U.S., this platform serves as more than just a phone system—it’s a driving force for productivity focused on sales, service, and success. Equip your team to connect, close deals, and provide support—all from one robust platform.
  • 5
    XCALLY Reviews
    XCALLY is an easy-to-use, scalable, and fast-to-implement Omnichannel Contact Center software. It provides many tools essential for your call center activities, in addition to Omnichannel modules. - IVR designer and Predictive Dialer. Scripting tool. Dashboards, Realtime panels, Analytics for administrators and supervisors. - WebRTC, Windows Softphone and Omnichannel unified Web GUI for agents. XCALLY can be integrated via API with many external products, providers, and technologies like ticketing systems, CRM, ticketing system, AI tools, bots and TTS.
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    T-Max Phone Systems Reviews
    Hosted Business Phone System PBX can make any company sound and function as a Fortune 500 company. All your calls can be answered by an auto-attendant. This allows callers to dial by name, choose extensions, and select departments. You can have your calls transferred to your mobile phone automatically if you're on the move. T-Max is completely geo-redundant. Our servers are hosted in top-notch data centers across the United States. Multiple carriers are used to ensure maximum connectivity to the PSTN. T-Max uses high-quality desk phones made by Yealink and Polycom. There are many models to choose from to best suit your environment. We offer a variety of reception consoles, agents phones, wireless phones, conference room phones, and wireless phones. The best Hosted Business Phone System for the price is available today. 1-888-245-34883 Departments Extensions Digital Receptionist Voice Prompts Voice Mail Fax Service And Much More
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    Infinite Connect Reviews

    Infinite Connect

    Infinite Connect

    $22.50 per month
    All your business operations can be managed remotely from one platform. You can improve productivity and simplify communications with reliable voice and video, fax, messaging, conferencing, and fax in the cloud. Flexible, unified cloud communications and contact centre services for small and medium-sized businesses. You can customize your settings and capabilities to make your conference calls work as you wish. You can have up to 100 people on your conference call. Our VoIP phone system or hosted PBX replaces your traditional small business phone system. It uses your broadband connection to make communication easier. You can easily share your desktop and broadcast HD video to any size meeting, large or small, as well as teleconferencing. No downloads required. You can send and receive SMS and MMS text messages online. You can also manage internet faxing right from your dashboard. Infinite offers the most current VoIP phones that are fully configured and ready to use. You just need to turn on your phone and get started talking.
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    CloudTalk Reviews
    Top Pick

    CloudTalk

    CloudTalk

    $25.00/month (billed annually)
    60 Ratings
    Are you looking for a smart phone system? CloudTalk.io is a new-generation cloud phone system that can be used by SMEs, startups and online stores. It also works with call centres (sales or customer service) and call centres (sales). You will find 25+ integrations with your favorite CRM, helpdesk, or e-commerce tools like Shopify, Salesforce or Pipedrive at your disposal along with a 5-star customer success team that makes it easy to seamlessly migrate, or set up a new cloud call center from scratch. We are growing rapidly every month and have already established successful partnerships with more than 1000 companies around the world, such as DHL, Yves Rocher, Karcher. CloudTalk offers a 14-day free trial (no credit card details necessary).
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    XCastLabs Reviews
    Top Pick
    Our proprietary technology has been providing telecom services since more than 20 years. We are experts in Hosted IP-PBX and SIP Trunks, Call Center Software, Wholesale, Data Services, etc. Our exceptional service, rates, and products meet the FCC standards for STIR/SHAKEN network compliance. The XCast Unified Communications is Scalable and International with unlimited, free, planet-wide, extension-to-extension, all with a web-based Administrator Control Panel (ACP) to help you manage all your features. Promotional plans: Hosted PBX Basic - $9.95/month Sip Trunking Basic - $4.95/month
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    Thirdlane Reviews
    Top Pick
    Thirdlane is built for service providers and MSPs who need a multi-tenant, white-label UCaaS platform with deep API control. It delivers voice, video, chat, and contact center features while giving providers the ability to integrate billing, CRM, and IT workflows with ease. Why providers choose Thirdlane: - True multi-tenant PBX architecture built for scaling to thousands of tenants. - White-label flexibility - deliver a branded experience to your customers. - Thirdlane Connect apps unify messaging, calling, and meetings across all devices. - Built-in Contact Center for sales and support teams. - CRM screen pops and Click-to-Call to boost productivity. - Extensive APIs for automation and third-party integrations. Business outcomes: - Launch branded UCaaS without the heavy R&D cost. - Increase recurring revenue with scalable multi-tenant architecture. - Offer enterprise-grade features at a competitive price point. Thirdlane empowers providers to own their UCaaS offerings end-to-end, increasing margins and ensuring long-term customer loyalty.
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    Zadarma Reviews
    Top Pick
    Smart VoIP Solution for Teams of Any Size Zadarma replaces traditional phone systems with a cloud-based platform that’s easy to configure and use. Whether you’re a freelancer, small business, or global enterprise — Zadarma scales with your needs. What you get: - Local, mobile, and toll-free numbers worldwide - Virtual PBX with call queues, voice menus, call recording - Connect multiple offices and remote employees - Affordable call rates and flexible pricing plans - Real-time call statistics and recording storage - Support for IP phones, softphones, and browsers No hardware needed — just connect your team and start calling.
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    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.
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    User.com Reviews
    Top Pick

    User.com

    User.com

    $249.00/month
    10 Ratings
    User.com is a full-stack software for marketing automation. It allows you to communicate with customers and manage your relationships. User.com is one platform that offers many features. It provides you with robust tools for sales, marketing, and support. You can use the different features to communicate with your customers consistently across a variety channels such as email marketing, mobile push, SMS messaging and call centers. This will make every visitor happy. You can see every piece of data and measure it all with all activities organized in one place. This can be customized to show only the essential metrics you choose to make it easy to take action. Are you ready to try it? Register now for a free trial at User.com -
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    KrispCall Reviews

    KrispCall

    KrispCall

    $15 per user per month
    8 Ratings
    KrispCall allows you to manage all your telephony needs, whether they are personal, business, or corporate, using one app (Web, Android and iOS). You can access international numbers from the comfort of your own home. KrispCall makes it easy to create international numbers for national, local, shortcode and toll-free numbers (for more than 100 countries) in no matter how fast you want. You can easily manage your call logs. KrispCall's unified phonebox allows you to manage and monitor all your business calls, voicemails, and recorded conversations from one place. Call your international clients through their local numbers to earn their trust. KrispCall offers international numbers for your business at an affordable price. Our embeddable widget makes it easy to reach your customers. Clients can now easily call you by clicking on the KrispCall widget embedded in their website.
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    CallHippo Reviews

    CallHippo

    CallHippo

    $18.00/month/user
    3 Ratings
    CallHippo is a modern Contact Center Tool that allows you to connect with customers. CallHippo is simple to use and offers robust functionality with extensive reporting and seamless integrations that enable sales and service teams have productive conversations with customers. CallHippo is trusted worldwide by more than 5000 companies.
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    Aircall Reviews

    Aircall

    Aircall

    $30/user/month
    2 Ratings
    Aircall transforms business communications with an intelligent, cloud-based phone system built for modern sales and customer support. More than just a calling tool, it provides an all-in-one hub that connects phone, SMS, and WhatsApp conversations in a single platform. Its AI Assist Pro feature delivers real-time coaching during calls and simplifies follow-up, enabling reps to sell smarter and resolve support issues faster. Teams can leverage advanced capabilities like call routing, IVR, analytics dashboards, and power dialers to maximize efficiency. With integrations across Salesforce, HubSpot, Zendesk, Intercom, Shopify, and 100+ other apps, Aircall seamlessly fits into existing workflows. Businesses benefit from reliable call quality, international number coverage, and scalable features that grow with their needs. Customer stories highlight improvements such as a 4% increase in CSAT scores and the ability to process 25,000+ calls per month with stability and ease. Aircall makes customer conversations more personal, productive, and impactful—without the complexity of traditional systems.
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    Ozonetel Reviews

    Ozonetel

    Ozonetel

    $25 per month
    2 Ratings
    Establish a fully operational contact center from the ground up in just a few hours while integrating cloud functionalities with your existing on-premises hardware. Transition seamlessly from outdated systems to cloud solutions overnight with Ozonetel, where our product specialists will thoroughly assess your needs before suggesting a tailored solution that aligns perfectly with your business objectives. Efficiently unify and automate both digital and voice communication channels, utilizing top-rated dialers to enhance the management of inbound leads and streamline outbound campaigns. You can set up a comprehensive call management system in 24 hours or even less, offering extensive inbound, outbound, and blended call center options. At Ozonetel, we provide secure cloud communication solutions that enhance the customer experience while reducing overall costs for contact centers. Renowned for pioneering the first cloud-based customer experience platform in India, we continue to distinguish ourselves through unmatched customer support and relentless innovation in AI technology. Our commitment to excellence ensures that we remain at the forefront of the industry, constantly evolving to meet our clients' needs.
  • 18
    Simplii Reviews
    Simplii's click-to-call functionality allows you to seamlessly transition from web browsing to making phone calls with just a single click. Once activated, any phone number displayed in your Chrome browser becomes clickable. Additionally, our Fusion extension ensures that any incoming calls to your phone will appear on any open tab in your Chrome browser. The Screen Pops feature enables you to either answer or decline calls, send text responses, and even manage call transfers or holds directly from your screen. Furthermore, you can jot down notes and contact details within the Screen Pop, and this information will be instantly saved to your contacts. When linked with an integrated Simplii CRM, all relevant data, including call history, call recordings, SMS messages, call dispositions, and notes, are recorded in real-time, synchronizing effortlessly with your CRM. Simply connect your CRM account to Fusion, and you'll see the logs being updated automatically, enhancing your workflow and communication efficiency. This integration not only streamlines your calling process but also ensures that all your interactions are meticulously documented for future reference.
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    JustCall Reviews

    JustCall

    JustCall.io

    $30 per user per month
    1 Rating
    Remote teams can use the cloud phone system. JustCall provides a phone system that works from any device, anytime, anywhere for sales and support teams. It takes only seconds to obtain phone numbers in 70 different countries and make or receive calls. In minutes, you can set up your own cloud phone system. JustCall is the fastest and easiest way to manage your phone service. Learn how JustCall is used by companies to handle phone calls. Increase sales and conversions by enhancing agents' capabilities. Get rid of the hassles associated with manual dialing and data logging. You can increase sales call volume and productivity by up to 300% You can deliver a seamless customer experience with IVR and Smart Call Routing, as well as Live Call Monitoring. With SMS Bots and a variety of features, you can offer your clients responsive, 24-hour support. Automated integrations can be used across many business tools and applications. CRM, Helpdesk, and other software automation tools can be used to create smooth workflows for support and sales teams.
  • 20
    8x8 Reviews

    8x8

    8x8

    $19.99 per month
    1 Rating
    Introducing an all-in-one platform that integrates cloud telephony, video conferencing, team messaging, contact center capabilities, and comprehensive analytics. Streamline your organization's expenses by equipping each user with the precise tools necessary for their roles. Foster collaboration and break down departmental barriers through seamless analytics and interaction between contact center representatives and subject matter experts. Manage everything effortlessly with a unified administration interface for setting up the system, alongside user and data oversight. Enjoy the convenience of a single license that encompasses calling, directories, video meetings, messaging, and contact center functionalities. Enhance global connectivity for your business with top-tier reliability and performance in a cloud environment. Effortlessly schedule, initiate, or engage in high-definition audio and video meetings from any device or location without hassle. Access your contacts with ease, whether they are part of your organization or external partners. Ultimately, create superior customer experiences by leveraging an intelligent, collaborative, and trustworthy solution that adapts to your needs. With this platform, you can ensure that your team remains connected and productive, no matter where they are located.
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    VoIP Office Reviews

    VoIP Office

    VoIP Office

    $24.95 per month plus taxes
    1 Rating
    VoIP Office is a leader in Cloud-based communications and makes it easy to connect to anyone anywhere in the world. Our communications solutions can be used by any business, large or small, in any industry. VOIP OFFICE, a cloud-based communications provider, offers all the features of a traditional PBX but with the latest VoIP technology. VoIP Office seamlessly integrates with your business applications, seamlessly integrating both your desktop and office into one interconnected system.
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    Truly Reviews

    Truly

    Truly

    $65 per month
    1 Rating
    A Superior Approach to Overseeing Your Remote Revenue Team and Processes. As your remote team's interactions have transitioned into the digital realm, there is now an unprecedented amount of data regarding customer engagement available. This data can be harnessed and transformed into reliable execution through Revenue Process Automation™. Traditionally, managing revenue has been a labor-intensive endeavor, relying heavily on personal anecdotes and spreadsheets, which hampers sales teams from achieving adequate coverage in deal assessments, coaching, and forecasting, ultimately allowing significant revenue opportunities to be lost. With Revenue Process Automation, you are empowered to consistently evaluate your activity and opportunity data in relation to your sales process, ensuring that every deal receives the necessary follow-up. This powerful solution operates seamlessly within the leading CRM platform, Salesforce, facilitating enhanced oversight and improved outcomes for your team. Such innovations are crucial for thriving in the competitive landscape of remote revenue management.
  • 23
    OnSIP Reviews

    OnSIP

    Junction Networks

    $18.95 per month
    OnSIP provides powerfully simple business communication services to over 100,000 customer accounts. We are proud to offer the benefits of a phone system on-demand without the high costs, burden and inflexibility associated with traditional phone systems. You can customize your communications with no contracts and unprecedented pricing flexibility. Free onboarding is provided along with award-winning support from the United States. Unlimited plans come with a range of features, including voicemail to email and ring groups. They also include music on hold, video conference, call recording, dial by name directories, and free SIP phones. OnSIP's platform was built using patented, geographically-distributed technology that provides 100% redundancy. You can be confident that your phone system will always be up and running to keep your team connected. Sign up for a trial today!
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    Acefone Reviews

    Acefone

    Acefone

    $19.99 per user per month
    Acefone (founded in 2019) is a company focusing on simplifying communication for businesses. We are a product company that’s making interactions simple, powerful, and customer focused. Our cloud-based omnichannel Customer Experience (CX) platform, AceX hosts powerful products, including: -Interactions Hub -Contact Center Studio -API Connect -Campaigns These products are designed to help businesses deliver exceptional experiences at every touchpoint of the customer's journey. Based in Gurgaon, we serve over 5,000 global businesses with the support of a dedicated team of 200+ professionals across Gurgaon, Mumbai, and Bangalore. We deliver seamless communication through industry-leading integrations, ensuring a customer experience that is both efficient and effective. Our ISO 27001 certification attests to our commitment to top-tier security, backed by a 99.95% uptime guarantee. Acefone's user-friendly, insight-driven products offer 300+ features, serving different channels, like Voice, WhatsApp, SMS and more. With custom integrations powered by neat APIs, it smoothly aligns with every business’ unique demands.
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    Adversus Dialer Reviews

    Adversus Dialer

    Adversus

    $150 per user per month
    Adversus serves as an outbound dialing solution designed to enhance your calling strategies, automate tedious tasks, and deliver essential insights for optimizing outbound workflows and overall efficiency. Founded in 2015, Adversus emerged from the founders' frustrations with the rigidity of their previous solution, igniting a vision to create a transformative outbound tool. We prioritize user-driven innovation, recognizing that each user possesses unique needs and expectations. Our platform offers extensive flexibility and customization across all workflow elements, ensuring that our users can tailor their experience to meet specific requirements. At Adversus, we strive to develop a forward-thinking solution that remains relevant and cutting-edge, aiming not just to respond to market changes, but to redefine what is achievable within the industry. Businesses across various sectors utilize Adversus to enhance their outbound calling activities, with user bases that can range from a single user to several hundred, all united by the goal of increased efficiency. Ultimately, our commitment to innovation and user satisfaction sets us apart in the competitive landscape of outbound dialing solutions.
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