Best Business VoIP Providers for Zendesk

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.

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.

Ultatel is a leader in business communication solutions, providing organizations with state-of-the-art cloud VoIP technology designed to enhance productivity and maintain seamless connections with customers anytime, anywhere. Our services are fully adaptable, offering unlimited HD Voice, SMS, Fax, Chat, Video, along with more than 40 advanced features and integrations to meet your changing needs. With our transparent pricing model, you can trust that there are no hidden fees—what you see is what you pay! As a recognized Gartner Category Leader and G2 High Performer, Ultatel delivers a unified communications platform that grows alongside your business. Thanks to our innovative FlexScale technology, adjusting your communication requirements is a breeze, with no downtime or extra charges involved. Our Award-Winning Customer Support team is available around the clock, ensuring a remarkable 94% resolution rate on first contact. With Ultatel, you can enjoy the confidence that comes from being connected without limits.

CallTools is a robust VoIP solution designed specifically for sales and support teams that handle high call volumes. Leveraging a cloud-based system with enterprise-level reliability, it ensures exceptional call clarity, scalable performance, and essential features to facilitate large-scale conversations. Users can efficiently manage both incoming and outgoing calls through a unified platform that includes intelligent queuing, IVR, and call routing capabilities. With its integrated CRM and real-time analytics, teams can enhance their contact rates, accelerate deal closures, and maintain compliance effortlessly. Seamlessly integrate with your preferred tools via native integrations and an open API. Whether you're overseeing an expanding team or refining a contact center, CallTools streamlines workflows and enhances productivity through features like advanced call control, auto-dialers, live monitoring, and call recording. Supported by a U.S.-based team, CallTools enables professionals to forge deeper connections and convert more leads during every call. It's the perfect solution for remote and hybrid teams seeking both flexibility and optimal results.

NXTPulse offers cutting-edge innovations that can elevate your business operations significantly. The platform is packed with a variety of features, including seamless integrations with Microsoft Teams, which enhance its functionality. With its extensive capabilities, NXTPulse empowers you to work flexibly from any location at any time. It is compatible with leading platforms such as Office 365 and numerous popular CRMs. Moreover, NXTPulse provides robust conference bridges, facilitating effective communication among all participants. You can rely on NXTPulse to manage your hosted voice solutions, freeing you from that responsibility. Regular updates and new features ensure that the platform remains current and effective. Strong SSL security safeguards the connection between your organization and the NXTPulse cloud, ensuring that your communications remain secure. In addition to its numerous productivity-boosting features designed to enhance customer service and operational efficiency. 3cx Integrations - AI, Microsoft Office 365, Google Workspace and more for a robust and flexible phone system tailored to your business needs. Inclusive Licensing - Benefit from included 3cx licenses, reducing additional costs. Scalable Solutions - Grow your business with scalable phone systems that adapt to your evolving needs. Fully Managed Solutions - Enjoy peace of mind with our fully managed services Amazon Web Services - Utilize the power of AWS for reliable and scalable hosting

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

Kixie: Smarter Calling & Texting for Revenue Teams Kixie is the AI-powered sales engagement platform that helps teams connect faster, close more deals, and scale effortlessly—all while keeping it personal. 🔥 Outbound Sales: Boost connection rates up to 400% with AI-powered Local Presence, Multi-Line PowerDialer, and Spam Risk Prevention. 🚀 Marketing: Automate calls & texts for instant follow-ups and high-converting outreach—without the manual work. 📞 Inbound Sales & CS: Handle more calls with smart CRM-based routing, shared SMS inboxes, and instant auto-replies. 📊 RevOps & Leadership: Get AI-driven insights, real-time coaching tools, and advanced analytics to level up your team. 💥 Supercharge your sales team today! Visit our website to get started for free, no credit card required.

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

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.

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).

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.

Dialpad Connect is a comprehensive AI-driven communication platform that unites voice, video, and messaging channels to improve both internal teamwork and customer engagement. The platform provides smart features such as live call transcription, voicemail transcription, AI-powered call recaps, and recommended next steps, allowing users to be fully present in conversations without missing key details. It offers deep integration with leading business applications including Salesforce, Microsoft Teams, Zendesk, and Google Workspace, creating a seamless experience across tools. Built on a resilient dual-cloud architecture, Dialpad ensures enterprise-level performance with 24/7 support, disaster recovery, and a 100% uptime service level agreement. Privacy and security are foundational, with certifications like GDPR, HIPAA, ISO, and SOC 2 safeguarding user data. Dialpad Connect supports a broad range of business sizes, from small teams to large enterprises, enabling better communication and faster decision-making. Its AI capabilities also include live coaching for agents during calls and detailed analytics to improve customer satisfaction. This platform empowers businesses to transform every conversation into a valuable opportunity.

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.

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.

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.

The simple, smart, efficient & all-in-one UCaaS, Customer Engagement & Workforce Management Platform. ConneXio Cloud is a full suite of Communication and Workforce Management Tools - AI & Voice Recognition IVRs - Omni-Channel IVRs - Voicemail and Call Menu Builder - VoIP Web-Phones - CRM - UCaaS / CCaaS - Predictive Dialer - BPO & Outsourcing Create the exact solution you need to engage customers at every step of their journey on their preferred channels – anywhere in the world! Provide a white-glove, VIP service so convenient and proactive, your customers will think you can read minds! - Real-time Analytics & Reporting - Custom-Tailored - AI & Machine Learning - Industry-Leading VoIP Network

Genesys Cloud CX is a versatile, cloud-based solution for contact centers that aims to provide outstanding customer experiences through multiple communication channels. With a focus on scalability and adaptability, it merges voice, chat, email, social media, and messaging into a single, streamlined interface. The platform utilizes sophisticated AI and analytics technologies to offer immediate insights, automate routine processes, and tailor interactions, thereby enhancing customer engagement efficiency. Additionally, its strong workforce management features enable businesses to fine-tune staffing and performance while upholding high service quality. Ideal for organizations of various sizes, Genesys Cloud CX facilitates smooth implementation and flexibility, proving to be an excellent choice for those seeking to improve their customer service capabilities. Furthermore, it ensures that businesses can respond to evolving customer needs and technological advancements seamlessly.

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.

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.

EveryDay Voip combines phone, video, meetings, and messaging into one reliable PBX system. Our service is designed to keep you connected to your clients from anywhere in the world. It also gives you the freedom to run your business as you please. You can install our apps on your tablet, smartphone, or desktop and enjoy HD-quality web and audio with one-click functionality. Collaboration is made easy with unlimited SMS, team messaging, and more. Next-generation voice services are scalable, secure, and easy to use. EveryDay Voip is a leader in international carrier services. EveryDay Voip offers the best international wholesale solutions to all communication service providers worldwide, with over 1000+ interconnects that range from PTT's and Mobile Network Operators to VoIP suppliers in-country. To ensure proactive dominance, bring to the table win-win survival strategies.

*astTECS IPPBX system is the ideal solution for any business, large or small. *astTECS PBX has all the top-end features at an affordable price and is TEC certified by DoT (Govt of India). *astTECS IPPBX solution allows your business to be flexible, innovative, competitive, and future-ready while reducing telecom expenses. *astTECS Call Center Dialer is an omnichannel contact centre solution that offers advanced features and a real-time dashboard for agent monitoring. Advanced analytics and AI-based call center dialer will improve agent productivity and customer engagement. *astTECS provides a complete call recording solution for your company. *astTECS voice recorder is easy to use and offers advanced features. Integration with any PBX is seamless. Supports ISDN/PRI, IP, analog lines and mobile to record all incoming and outgoing calls.

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.

AVOXI Genius is a cloud-based call center software that is efficient, budget-friendly, and user-friendly. It allows you to effortlessly oversee your business communications through a straightforward, web-based contact center interface. This innovative platform uniquely combines your voice service with your contact center solution, offering virtual phone numbers that can be activated instantly in over 170 countries. With pricing beginning at just $19.99 per user, AVOXI Genius stands out as one of the most cost-effective options available globally. Additionally, for a limited time, you can enjoy two months free with your subscription, making it an even more enticing choice for businesses looking to enhance their communication capabilities.

UJET is a cloud-native and mobile-focused customer service platform that helps organizations make support an integral part their business by engaging customers across all channels and endpoints. We transform customer interactions by integrating channels and integrated communications, modernizing customer experience. Our tools provide multichannel support for voice, text, web, and mobile apps. Customer support should be seamless for customers. It must empower agents with the best tools and enable brands to provide the best customer support experience. Google Nest, Instacart and Postmates are among the companies that trust UJET to power customer support programs. This allows for reliability, security, and scaling across the globe.

NUACOM is a Software-as-a-Service and Telecom company that provides flexible and scalable calling solutions for businesses to deliver exceptional customer service and handle successful sales calls.. Sales and customer service are important departments for any organization and having a powerful communication platform is crucial for business success. Our calling platform is focused on the user experience, call analytics and automation, so you can focus on what matters most: close more deals and delight your customers.