List of the Top Business Phone Systems for Zendesk in 2026

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.

Engage and collaborate on your own terms with the all-encompassing solution provided by Intermedia Unite. Whether you're working from the office, traveling, relaxing at home, or sipping coffee, the expansive communication and collaboration tools from Intermedia Unite ensure that you can maintain productivity and stay connected with both colleagues and clients effortlessly. You can securely share and work on documents from almost any location, enjoying complete file management with features like real-time backup and recovery. Automated greetings and rapid call routing that align with your operational hours guarantee that customers are swiftly directed to the right team member, ensuring efficient access to your staff. Incoming calls can be directed to specific teams designated for handling them, while also keeping you informed about your coworkers' availability statuses through instant notifications that indicate whether they are Available or Unavailable. With Intermedia Unite, maintaining connections while enhancing productivity has never been easier or more effective, making it an essential tool for any modern workplace.

The Yeastar P-Series Phone System offers an all-in-one solution for business communication, integrating voice, video, and collaboration features into one powerful platform. Designed specifically for today's businesses, it consolidates disparate communication tools into a cohesive "PBX-Plus-More" environment, enhancing efficiency and connectivity.

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.

Our cloud-based platform empowers service providers to offer a comprehensive business phone system to clients of any size, all while maintaining their own branding from a single installation. PBXware streamlines functionalities such as call routing, interactive voice response (IVR), hot-desking, call recording, and conferencing. Meanwhile, gloCOM integrates voice, video, chat, and meetings into a unified interface accessible on desktop, mobile, and web devices, enhancing user experience and reducing support complexities. With the introduction of multi-CRM support in version 8, call activity logs automatically sync with each user's CRM, significantly minimizing the need for manual data entry. For clients interested in contact center features, CC Lite provides options like ERG callback, real-time wallboards, and scheduled reports, presenting a seamless upsell opportunity without the need for migration.

Aircall is an innovative telecommunications solution aimed at replacing outdated phone systems and unreliable VoIP connections with a unified cloud platform for voice calls, messaging, and team collaboration. The system includes features such as International Numbers, Business Hours routing, and Voicemail Drop, along with a Shared Inbox that provides teams with comprehensive customer insights during every interaction. Powered by a global cloud voice network, Aircall ensures enterprise-level connectivity and exceptional audio quality, making it suitable for teams that are scaling or working remotely. In addition to its reliable infrastructure, Aircall integrates advanced AI functionalities: AI Agents handle routine inquiries autonomously, while AI Assistants offer real-time coaching to representatives during calls. With over 250 native integrations, Aircall is the preferred communications platform for more than 24,000 businesses, enabling them to manage sales and customer support from a single workspace.

Adversus offers more than just a typical business telephone system; it is a comprehensive outbound calling platform that integrates workflow automation, performance monitoring, and compliance features. With a cloud-based interface, users can effortlessly make and oversee a large number of outbound calls without the need for physical equipment. The platform enables calling to over 150 countries and boasts an impressive uptime of over 99.97%. Additionally, it is ISO certified and adheres to SOC 2 standards. Tailored for sales-focused companies that require more than mere communication capabilities, Adversus provides an organized approach to outbound calling and complete transparency regarding representative performance.

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.

XCALLY offers a user-friendly, scalable, and quickly deployable Omnichannel Contact Center solution. This software comes equipped with a variety of essential tools that support call center operations alongside its Omnichannel features. Key components include an IVR designer, a predictive dialer, scripting tools, dashboards, real-time panels, and analytics tailored for administrators and supervisors. Additionally, it supports WebRTC, a Windows Softphone, and a unified Web GUI for agents. Furthermore, XCALLY can seamlessly integrate through APIs with numerous external products and technologies, such as CRM systems, ticketing platforms, AI applications, bots, and text-to-speech services, enhancing its versatility and functionality. This allows organizations to create a customized and efficient customer service environment.

You can oversee all your business functions remotely through a single platform. By utilizing dependable voice and video services, along with faxing, messaging, and conferencing capabilities in the cloud, you can enhance productivity and streamline communication. This flexible, all-in-one cloud communication and contact center solution is tailored for small and medium-sized enterprises. Additionally, you have the option to customize your settings and features, ensuring your conference calls operate according to your preferences, with support for up to 100 participants. Our VoIP phone system or hosted PBX serves as a modern alternative to traditional small business phone systems, utilizing your broadband connection to facilitate seamless communication. You can effortlessly share your screen and stream HD video for any meeting size, whether large or small, without the need for downloads. Furthermore, you can send and receive SMS and MMS messages directly online, as well as manage internet faxing directly from your dashboard. Infinite provides the latest VoIP phones, which come fully set up and ready for immediate use; simply turn on your device to start your conversations. With these tools at your disposal, your business can thrive in a connected world.

KrispCall enables users to handle all their telecommunication requirements—be it personal, business, or corporate—through a single application available on Web, Android, and iOS platforms. From the convenience of your home, you can obtain international phone numbers. The platform simplifies the process of generating international numbers, including national, local, shortcode, and toll-free options, across more than 100 countries, regardless of how quickly you need them. You have the ability to efficiently oversee your call logs as well. With KrispCall's integrated phonebox, all your business calls, voicemails, and recorded conversations can be managed and monitored conveniently in one location. You can connect with your international clients using local numbers, which helps in building their trust. KrispCall provides affordable international numbers tailored for your business needs. Furthermore, our customizable widget allows for straightforward customer outreach, as clients can reach you effortlessly by clicking on the KrispCall widget embedded on their website, enhancing your overall accessibility. This seamless integration not only improves communication but also boosts your professional image.

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!

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.

Thirdlane is a comprehensive multi-tenant communication platform that combines VoIP calling, unified messaging, video conferencing into powerful solution. Designed for both enterprises, MSPs, telecom providers and resellers, it offers unmatched flexibility, cost-effectiveness, and scalability. Highlights: - PBX with advanced call routing, voicemail, and conferencing. - IVR, call queues, recording, and analytics. - CRM integrations with Click-to-Call and caller ID screen pops. - Thirdlane Connect desktop, web, and mobile apps for collaboration. - Flexible choice: cloud-hosted or on-premises. - White-label Who it’s for: - MSPs and UCaaS providers launching branded communications. - Enterprises seeking a customizable phone system with CRM integration. - Telecom providers and resellers looking for modern PBX offerings. Thirdlane delivers a complete, future-proof phone system for organizations that want to unify communications and scale without compromise.

Dialpad Connect is an advanced, AI-powered customer communications platform designed to unify voice calls, video meetings, and team messaging into a single, intuitive experience that enhances productivity and customer satisfaction. Its intelligent features include real-time call transcription, automated voicemail transcription, AI-generated conversation summaries, and actionable recommendations that keep users focused and informed during every interaction. The platform integrates seamlessly with a wide array of popular business tools such as Salesforce, Zendesk, Microsoft Teams, Google Workspace, and Hubspot, enabling organizations to streamline workflows and centralize communication data. Built on a robust dual-cloud infrastructure, Dialpad Connect delivers enterprise-grade reliability with 100% uptime SLA, comprehensive disaster recovery, and 24/7 customer support. It meets strict security and privacy standards, including GDPR, HIPAA, SOC 2, ISO certifications, and LGPD compliance, ensuring sensitive data is well protected. Dialpad’s AI capabilities extend to providing live coaching to agents during calls, facilitating better sales outreach, and offering real-time analytics to boost operational efficiency. The platform caters to businesses of all sizes, from startups to global enterprises, helping them transform their communication strategies. Dialpad Connect simplifies complex communication needs into a unified platform that supports inbound and outbound contact centers, cloud phone systems, and virtual collaboration. Its flexibility and scalability allow organizations to adapt and grow while maintaining exceptional customer experiences. Ultimately, Dialpad Connect turns everyday conversations into actionable insights that drive business growth.

One Platform for All Business Calls Simplify and enhance your business communications with Zadarma. From internal calls to global customer service, everything runs in the cloud — secure, reliable, and fully customizable to your workflow. Highlights include: - Visual PBX constructor for intuitive setup - AI call agents and speech recognition tools - Automatic call distribution (ACD) and IVR setup - eSIM for global mobile connectivity - Full API access to automate and integrate with your systems - 24/7 support and detailed documentation Perfect for companies managing international communication, remote support, or multi-channel sales teams.

User.com serves as a comprehensive software solution for marketing automation, enabling effective communication with customers while managing relationships efficiently. This all-in-one platform is equipped with a wide array of features, offering powerful tools that cater to sales, marketing, and support needs. Various communication options—including email marketing, mobile push notifications, SMS messaging, and call center integration—ensure a seamless experience for every visitor. Additionally, you can track and analyze all your data in one centralized location, with the ability to customize the display to focus on the key metrics that matter most, facilitating prompt and informed decision-making. By consolidating these functionalities, User.com enhances your capability to engage with customers across multiple channels effectively. Are you prepared to experience these benefits firsthand? Sign up today for a free trial at User.com!

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.

CallHippo is an advanced contact center solution designed to facilitate connections with clients. Its user-friendly interface, combined with powerful features and comprehensive reporting, empowers sales and service teams to engage in effective conversations with customers seamlessly. Moreover, CallHippo integrates effortlessly with various platforms, enhancing overall productivity. With a global trust from over 5,000 businesses, it has established itself as a reliable choice in the market. This level of widespread adoption highlights its effectiveness and the value it brings to organizations seeking to improve customer interactions.

Our VoIP services are primarily focused on Europe, yet we operate in over 165 countries worldwide. At the core of our offerings is the Premium Plus package, which ensures you receive top-notch quality while enjoying competitive pricing. You can utilize a variety of number types for identification, such as Geographic, National, Toll-Free, UIFN, Mobile VoIP, and Elastic Pool numbers, among others. Additionally, we provide a SoftPhone solution and are excited to soon introduce new Roaming products to enhance your communication experience even further. This commitment to innovation reflects our dedication to meeting diverse customer needs.

Create a fully functioning contact center from scratch within a few hours by seamlessly integrating cloud capabilities with your existing on-premises infrastructure. Ozonetel enables a smooth transition from legacy systems to cloud solutions overnight, with our product specialists conducting a comprehensive evaluation of your requirements before proposing a customized solution that aligns with your organizational goals. Effectively merge and automate both digital and voice communication channels using industry-leading dialers to improve the handling of incoming leads and optimize outbound efforts. You can establish a complete call management system in 24 hours or even less, providing a wide range of inbound, outbound, and blended call center features. At Ozonetel, our secure cloud communication solutions not only enhance the customer experience but also lower overall operational costs for contact centers. As the pioneers of India's first cloud-based customer experience platform, we consistently set ourselves apart through exceptional customer support and continuous advancements in AI technology. Our dedication to maintaining high standards guarantees that we stay ahead in the industry, continually adapting to fulfill the evolving needs of our clients, ensuring their growth and success in a competitive market. By prioritizing innovation and customer satisfaction, we empower businesses to thrive in an ever-changing landscape.

Simplii's click-to-call feature enables a smooth shift from browsing the web to making phone calls with just one click. When this feature is in use, any phone number shown in your Chrome browser becomes instantly clickable. Moreover, our Fusion extension guarantees that incoming calls will show up on any active tab in your Chrome browser. With the Screen Pops functionality, you can easily answer or decline calls, send text replies, and manage call transfers or holds directly from your screen. Additionally, you have the option to record notes and contact information within the Screen Pop, which will be automatically saved to your contacts. When you integrate this with a Simplii CRM, all important data such as call history, recordings, SMS conversations, call outcomes, and notes are logged in real-time, ensuring seamless synchronization with your CRM. By simply linking your CRM account to Fusion, you can watch as the logs are updated automatically, significantly improving your workflow and communication effectiveness. This integration not only simplifies your calling experience but also guarantees that every interaction is thoroughly documented, making it easier to refer back to past communications and maintain a detailed record of your engagements. As a result, users can optimize their productivity and enhance their overall customer service experience.

Remote teams can effectively utilize cloud phone systems, and JustCall offers a versatile solution that functions seamlessly on any device, enabling sales and support teams to communicate from anywhere at any time. Users can swiftly acquire phone numbers across 70 different countries and initiate or receive calls within moments. In just a few minutes, you can establish your own cloud phone framework, making JustCall the quickest and most straightforward option for managing your telecommunication needs. Discover how companies leverage JustCall to streamline their phone communications, enhancing agents' abilities to boost sales and conversion rates. Eliminate the complications of manual dialing and data entry, potentially increasing your sales call volume and productivity by as much as 300%. Moreover, with features like IVR and Smart Call Routing, as well as Live Call Monitoring, you can ensure a smooth customer experience. The addition of SMS Bots allows you to provide clients with responsive support around the clock, while automated integrations can connect with various business tools and applications. Utilizing CRM systems, Helpdesk solutions, and other software automation tools, you can create efficient workflows that benefit both support and sales teams, ultimately leading to greater operational success. By implementing these advanced features, organizations can not only improve their internal processes but also enhance customer satisfaction significantly.

A single platform integrates cloud telephony, video collaboration, team messaging, contact center capabilities, and analytics, all in one place. By providing users with tailored features, organizations can significantly lower their overall ownership costs. This platform fosters collaboration among specialized team members and contact center staff, effectively breaking down silos within the organization. It features a comprehensive administration tool for easy system setup, along with user and data management functionalities. With just one license, users can seamlessly combine calling, directory services, video conferencing, messaging, and contact center operations. Enjoy enterprise-level reliability and high-quality cloud connectivity to link your business globally. Schedule, initiate, or participate in HD audio and video meetings without being restricted by device or location. Easily access your contacts from any device, whether they are internal colleagues or external partners. This intelligent and collaborative solution empowers organizations to enhance customer experiences, driving engagement and satisfaction. Ultimately, adopting such a versatile platform can lead to improved communication and efficiency across all levels of your business.

VoIP Office stands out as a frontrunner in cloud communication services, enabling effortless connections to individuals globally. Our versatile communication solutions cater to businesses of all sizes across various sectors. As a provider of cloud-based communications, VoIP Office delivers all the functionalities of a conventional PBX while leveraging cutting-edge VoIP technology. Additionally, VoIP Office integrates smoothly with your existing business applications, creating a cohesive system that unifies both your desktop and workplace environments. This innovative approach not only enhances productivity but also streamlines communication processes.