Best VoIP Service for Businesses

Nextiva offers a comprehensive VoIP solution tailored to meet the needs of small to medium businesses. It combines voice, video, and chat functionality into a unified platform, enabling seamless communication both internally and with customers. The intuitive interface makes it easy for teams to adopt, while the platform’s scalability ensures it grows alongside your business.

With Nextiva, businesses can leverage features like call routing, voicemail-to-email, and advanced auto-attendants to manage communications more effectively. The service includes built-in analytics that gives insights into call trends and customer interactions, helping companies improve customer service. Its cloud-based nature ensures remote teams can stay connected from anywhere, promoting collaboration and operational efficiency.

Nextiva is known for its reliability, with 99.999% uptime, ensuring that your business remains reachable at all times. The platform offers its products for healthcare, legal, real estate, logistics, and more industries.

Google Voice integrates smoothly with Google Workspace, providing a unified communication solution for businesses already relying on Google’s productivity tools. The platform offers calling, texting, and voicemail features, allowing users to manage communications easily from one place. With a simple interface and close integration with Gmail, Calendar, and other Google apps, Voice enhances team collaboration.

A key strength of Google Voice is its cloud-based nature, which enables team members to use a single phone number across devices, including smartphones, tablets, and desktops. This flexibility ensures business continuity whether employees are in the office or working remotely. Additionally, the automatic voicemail transcription feature helps users save time by reading messages instead of listening to them.

Google Voice offers robust security features, including multi-factor authentication and spam detection, protecting businesses from malicious attacks. The platform’s AI-powered tools further enhance usability. Call screening allows users to determine the importance of incoming calls, while automated voicemail categorization helps prioritize tasks.

RingCentral RingEX is an AI-powered communications platform that unifies all your business interactions. Combining calls, video meetings, text messaging, SMS, and fax into a single, easy-to-use app, RingEX simplifies team communications and enhances productivity. With AI features like real-time transcription, meeting summaries, and message translation, you’ll streamline workflows and keep every interaction in one place.

RingEX goes beyond basic communications with over 300 integrations, including Salesforce, Google Workspace, Microsoft Teams, and Zendesk. These integrations help automate tasks, reduce redundant work, and keep critical information at your fingertips, allowing you to focus on what matters most. With industry-leading security and a 99.999% uptime guarantee, RingEX ensures reliable connections for teams worldwide.

RingEX offers tools for intelligent call routing, automated responses, and unified numbers so IT managers and business owners can maintain a consistent business presence everywhere. Its services are available to nonprofits, consumer services, healthcare, construction, and other industries. Users can make calls in over 46 countries without worrying about security, as top certifications back the software.

8×8 is an all-in-one solution that integrates business phones, video conferencing, team chat, and contact centre tools into a single secure platform. With 35 points of presence globally, 8×8 ensures seamless connectivity and built-in disaster recovery, enabling businesses to operate without interruption across multiple regions. This geographical redundancy guarantees high availability, reliability, and exceptional call quality.

8×8 supports businesses of all sizes with tools to streamline communications and collaboration. Its global reach allows companies to serve customers from any location with the same level of efficiency as local businesses. The platform’s seamless integration with Microsoft Teams and other business tools enhances productivity by ensuring teams can collaborate effortlessly across different mediums.

Security and compliance are at the core of 8×8’s offerings, the platform uses advanced encryption methods for secure data transmission, along with fraud detection and secure endpoint provisioning. 8×8’s follow-the-sun support model ensures round-the-clock multilingual assistance, enhancing user satisfaction and minimizing downtime.

One of the key advantages of CloudTalk is its extensive global reach. With over 160 international numbers, businesses can connect with customers worldwide. This feature helps improve call pick-up rates and allows companies to present a local presence in various markets. The software leverages advanced features such as Interactive Voice Response (IVR) and automated call distribution. These capabilities enable personalized routing of calls, ensuring that customers are connected to the right agents quickly.

Additionally, the platform offers analytics and reporting tools that allow businesses to monitor performance metrics and gain insights into customer behaviour. CloudTalk strongly emphasizes customer satisfaction. With its AI-driven solutions, businesses can reduce churn by providing timely and personalized support. The software also allows for self-service options, enabling customers to resolve simple inquiries without speaking with an agent.

Overall, CloudTalk is one of the most advanced VoIP solutions on this list, especially because of its features. The platform helps businesses connect with customers worldwide. Options include local, national, mobile, and toll-free numbers, though some regions may require business registration.

Ooma delivers an intuitive, high-quality VoIP phone system to enhance small business communication. With easy setup and over 100 advanced features, Ooma enables seamless connectivity and communication across teams, whether in the office or remotely. Users can keep their existing number or choose a new one at no additional cost, making it convenient to switch to Ooma.

Equipped with features like Virtual Receptionist, Ring Groups, and HD audio, Ooma Office provides a robust toolset to streamline call management and improve customer interaction. The mobile and desktop apps allow users to call, text, and hold meetings from anywhere, helping teams stay connected and productive on the go.

For growing businesses, Ooma Office Pro offers even more advanced features like CRM integration, hot desking, and call queuing, designed to scale as business needs evolve. Ooma’s flexible plans make it simple to find the right fit, whether you need a straightforward setup or an advanced suite of communication tools.

OnSIP is a leading VoIP service designed for businesses of all sizes. Users benefit from features such as auto attendants, voicemail-to-email, and call recording, all aimed at improving the customer experience and internal communication. The platform is particularly appealing for teams with varying call volumes, offering customizable plans catering to different business needs.

One of OnSIP’s standout features is its commitment to providing users with free best-in-class VoIP phones when signing up for the Unlimited Plan with a minimum of five users. This offer helps businesses save on upfront costs associated with switching to VoIP. With standard calling rates and various add-on features, companies can tailor their plans to ensure they only pay for what they truly need.

OnSIP is perfect for businesses looking to improve their communication infrastructure without sacrificing quality or breaking the bank. It’s also one of few platforms with a HIPAA-compliant VOIP Solution, which is rare.

MightyCall streamlines communication by integrating key features like VoIP services and interactive voice response (IVR) into a single platform. This solution simplifies call management and also enhances customer service by allowing businesses to efficiently route calls based on the needs of the caller.

MightyCall offers an IVR system, which allows businesses to create a sophisticated call-routing process. Unlike simple auto-attendants, MightyCall’s IVR engages callers with an automated voice menu that helps determine the purpose of their calls. This ensures that customers are directed to the right department or individual without unnecessary transfers, significantly improving overall customer satisfaction.

Additionally, MightyCall offers businesses access to a variety of communication tools, such as call recording, live call monitoring, and call queues. These features help with training and quality assurance and ensure that businesses can provide timely responses to customer inquiries.

Grasshopper is a robust virtual phone system designed for small businesses. It allows users to manage their communications seamlessly. Getting started with Grasshopper is straightforward. Business owners can choose from toll-free, vanity, or local numbers that fit their brand identity. Once signed up, users can gain access to a comprehensive suite of features, including call forwarding, voicemail transcription, and business texting.

One of Grasshopper’s standout features is its call-forwarding capability. Users can easily configure how incoming calls are handled, whether by forwarding them to cell phones or landlines. This feature is complemented by customizable greetings, allowing businesses to present a polished image to callers. Furthermore, with simultaneous call handling, multiple calls can be answered at once, eliminating the risk of busy signals.

Grasshopper also provides a range of add-ons to customize your experience. From call blasting and additional business numbers to professional voice greetings, these options help businesses scale and maintain high levels of customer satisfaction. However, while the Grasshopper can be a great, inexpensive VoIP platform, it’s only available in the USA and Canada.

OpenPhone is a powerful communication tool designed for small businesses. It offers a user-friendly interface that simplifies phone management while providing essential features for team collaboration. The platform supports features like shared inboxes for team collaboration and internal threads that allow private notes between team members. This ensures all communications are organized and accessible, providing a holistic view of customer interactions.

Additionally, OpenPhone is mobile-friendly, allowing team members to communicate on-the-go through its iOS and Android apps. This flexibility is essential for businesses that operate outside traditional office environments. Users can also benefit from features like call recording, AI-generated transcripts, and detailed analytics that track team performance and conversation volume.

OpenPhone also integrates advanced AI features like automatic call summaries and intelligent next-step suggestions. The AI-driven call transcription feature allows for detailed conversation records, making it simple to reference specific details when needed. Additionally, OpenPhone suggests new contacts based on call and voicemail transcripts, ensuring you never miss a potential connection.

GoTo Connect is a versatile VoIP service that empowers businesses with comprehensive communication and collaboration tools. It integrates voice, video, messaging, and more into a single platform. Users can use features like advanced call routing, auto-attendant, and customizable reporting. The platform’s punchy UI provides a user-friendly interface for managing communications and monitoring call performance.

The platform is engineered for high availability, boasting an impressive 99.999% uptime. This reliability is backed by a distributed cloud architecture that optimizes bandwidth usage while maintaining consistent performance. Additionally, GoTo Connect’s top-rated 24/7 customer support is recognized across independent review sites for its responsiveness and expertise.

GoTo offers solutions for Legal, IT, Education, Automotive, managed service providers, and more. GoTo Connect is available in over 50 countries worldwide, making it accessible to a significant portion of the global market.

Microsoft Teams Phone is integrated within Microsoft Teams and designed to support flexible and intelligent communication. It enables users to make and receive both VoIP and PSTN calls seamlessly, using AI-driven call management tools such as automated summarizations, call insights, and speech enhancements. This functionality enhances the communication experience by leveraging voice isolation and background noise suppression, ensuring clear calls and uninterrupted collaboration across various devices.

Teams Phone also provides collaborative calling features, including advanced call handling, simultaneous ringing, and call transfer options, which are ideal for business settings that demand organized and efficient call management. Users can access transcripts, voicemails, and call captions in their preferred language, improving accessibility and enabling users to review calls at their convenience. Teams-certified devices offer a familiar interface and consistent experience across hardware options, further streamlining communications for remote and on-site teams.

With flexible pricing plans, Teams Phone accommodates various needs, from basic VoIP solutions to advanced setups with PSTN calling and international options. By integrating with the Microsoft 365 suite, Teams Phone also provides unified communication across applications, allowing organizations to manage calls, messages, and video conferences through a single platform, supported by high uptime and top-class security standards.

Dialpad offers a comprehensive cloud-based VoIP phone service that integrates voice calls, video meetings, and messaging into a single, AI-powered platform. Dialpad allows users to connect seamlessly from any device, whether they’re at the office or on the go.

The platform’s essential features include HD audio quality, real-time voicemail transcription, and advanced call routing, designed to support both small businesses and large contact centres. With call recording and visual voicemail, Dialpad provides intuitive tools that help teams stay organized and responsive. Additionally, Dialpad’s AI-driven analytics deliver actionable insights from customer conversations, allowing companies to refine their communication strategies and improve customer satisfaction.

For users needing reliable VoIP service with built-in security and low maintenance costs, Dialpad is an excellent choice. The platform offers number porting, making the switch from traditional phone systems straightforward. Dialpad also provides unlimited calling within the U.S. and Canada on all plans, with affordable international options. Its subscription-based pricing model offers flexibility, allowing companies to scale and customize features to meet evolving business needs.

Aircall is built to cater to teams of all sizes, from small businesses to large enterprises. Its browser-based and mobile apps ensure that agents stay connected no matter where they work. Advanced features like Power Dialer and After-Call Work help agents stay focused on high-value tasks without wasting time on manual processes.

Aircall provides valuable analytics tools to track performance and enhance call quality. Managers can monitor call metrics in real-time and access detailed reports to optimize team performance. AI-based capabilities enhance customer interaction, improving efficiency and offering predictive insights for better service.

This VoIP solution ensures reliability and call quality with powerful infrastructure across multiple regions. With more than 100 integrations, Aircall allows businesses to connect their existing workflows easily, creating a seamless experience across tools. Whether setting up a call centre or streamlining customer support, Aircall offers an intuitive and scalable solution trusted by over 19,000 companies worldwide.

CallHippo provides a variety of communication tools, including virtual phone numbers, call tracking, and auto-call distribution. Businesses can benefit from advanced functionalities like call queuing, IVR, and call monitoring, allowing for better management of customer interactions.

CallHippo offers powerful analytics tools to measure performance, identify trends, and improve overall call quality. The user-friendly dashboard provides insights that help businesses enhance their service delivery.

CallHippo has exciting AI features like Intelligent Reports and Analytics, which enhance decision-making for sales and support teams. With sentiment analysis, the platform evaluates caller emotions, allowing for personalized interactions. CallHippo offers AI global connect, which identifies a phone number’s time zone before a call; AI smart DID routing, which uses AI to direct calls; AI Voicemail Transcription, and more.

Kamailio is an open-source SIP signalling server designed for scalability and performance. Focusing on VoIP, Instant Messaging, and Presence, it offers a versatile platform capable of handling thousands of call setups per second. Its modular architecture allows for extensive customization, enabling users to tailor the system to their needs.

Originally developed in 2001, Kamailio has evolved from the SIP Express Router (SER) into a powerful server that supports many SIP features and extensions. It provides flexibility with a small footprint, making it suitable for embedded devices while offering impressive extension capabilities with over 150 modules in its source tree.