Your phone system shouldn't hold your business back. If you're dealing with dropped calls, confusing bills, or struggling to sound professional on your personal phone, it may be time to switch services.
VoIP technology has evolved business communication by bringing phone calls into the cloud. The catch? Not every provider delivers equal value, and pricing structures can be complex. I tested all the leading small business VoIP platforms to help you find a solution ideal for your business's budget and communication preferences.
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Right now, Grasshopper tops my list of VoIP providers for small businesses, easily. It delivers on all the essential business calling features and happens to be very beginner-friendly. Getting started is as accessible as $14 per month, with no expensive and time-intensive onboarding requirements.
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Grasshopper has a simple pitch: It makes small businesses sound bigger and more professional. You can get started for $14 per month on the True Solo plan. It gets you a phone number, one user account, and one extension. There's a $20 discount if you sign up for the annual plan as a new user.
I was able to get a fully functional VoIP setup going in less than 10 minutes. It forwarded calls to my cell phone instead of forcing me to use specific hardware or apps. However, a mobile app is available for managing preferences on-the-go. That's a really good way to kick off a voice calling experience meant for new entrepreneurs.
Even with the base plan, Grasshopper includes all the features a small business could reasonably need. Call forwarding with options to route calls to different numbers based on time of day or caller identity. Voicemail transcription with email notifications so you can stay caught up even when you're off the grid. You even get a separate messaging component to keep your professional comms separate from all your personal texts.
So far so great, but scalability becomes a struggle once your business outgrows the basic features. For example, there's no API access, so you only have a few basic integrations to choose from. Call routing also doesn't allow for a ton of customization. But for solopreneurs or freelancers, this might be all they need out of VoIP.
Grasshopper features: Call forwarding | Voicemail transcription | Custom greetings | Virtual fax | Business texting | Auto attendant | Mobile and desktop apps
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Screenshot by Ritoban Mukherjee/ZDNET
Zoom Phone makes the most sense if you're already invested in Zoom's ecosystem. Pricing starts at $10 per user per month for the Metered plan, but this option charges you for every outbound call, making it impractical for most businesses. The more realistic starting point is the US and Canada Unlimited plan at $15 per user per month, which includes unlimited domestic calling and basic features.
It integrates perfectly with Zoom Meetings. You can escalate a phone call to a video conference with one click, without forcing participants to dial into a separate bridge. It eliminates the friction professionals deal with during client calls and team meetings. I found the call quality consistently excellent, even when my internet connection was throttled.
Zoom Phone includes helpful AI features even on basic plans. Voicemail transcription happens automatically, and you get basic call analytics without paying extra. The platform even supports SMS messaging with a cap of 20 texts per month on the base plan. You can port your existing business numbers for free while keeping your existing Zoom account.
Features like unlimited cloud storage, enhanced security controls, and live phone support require upgrading to bundled plans that start at $18.32. International calling is metered regardless of your plan, which adds unpredictability to your monthly costs. The platform also lacks some telephony features that dedicated VoIP providers offer, like sophisticated call routing rules or extensive third-party integrations beyond Zoom.
Zoom Phone features: Unlimited domestic calling | Video conferencing integration | SMS messaging | Call recording | Voicemail transcription | Auto attendant | Team chat
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8x8 is an enterprise communications platform, but it makes this list because of how well it integrates everything a growing startup might need into a single platform. You need a quote from their sales team to gauge current prices, but plans have typically ranged between $24 to $140 a month per user in the past.
You can expect voice calling, video conferencing, group chat, contact center management, and more. There's an analytics dashboard that lets you see how well your team is doing and if customers are satisfied. Auto-dialing and IVR are included even with the base plan, with no add-on purchases necessary.
The best part with 8x8 is the appeal for international businesses. Their mid-tier plans include unlimited calls to anywhere between 14 to 48 countries -- no per minute charges like with some competitors. You're also protected by a 99.999% uptime guarantee backed by an SLA, which insures you against dropped calls or bad connections.
Downsides mostly have to do with bloat, since there's an overwhelming amount of features that most early-stage companies will not need. Because of this, setup takes much longer and you'll probably need some kind of expert training to get your team up to speed. Also, some user reviews hint at declining customer support quality with 8x8, which can be an issue if you run into service issues or need first-time user assistance.
8x8 features: Unified communications platform | Video conferencing | Team messaging | Contact center capabilities | Analytics and reporting | CRM integrations | International calling
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Dialpad differentiates itself through AI features that other providers charge extra for or don't offer at all. The Standard plan starts at $15 per user per month with annual billing or $27 monthly if you prefer flexibility. This gets you unlimited domestic calling, basic video conferencing, and Dialpad's AI-powered transcription engine.
AI capabilities improve daily operations. Real-time transcription during calls means you can focus on the conversation instead of scrambling to take notes. Dialpad's speech coaching feature even analyzes conversations and provides suggestions about speaking pace, filler words, and talk time ratios.
The interface is notably cleaner and more modern than many competitors. Everything you need is easily accessible, and the mobile apps work smoothly across iOS and Android. Dialpad integrates with popular business tools like Salesforce, HubSpot, and Google Workspace, syncing contact information and logging calls automatically. The Pro plan at $25 per user per month unlocks additional features like international texting and multiple phone numbers.
That said, critical features like auto-replies, advanced analytics, and better support are locked behind the Enterprise plan, which requires contacting sales for pricing. The Standard plan's limitations on ring groups, call queues, and custom call flows mean you'll likely need to upgrade sooner than expected. There's also room for improvement on team collaboration features compared to alternatives, with limited options for shared inboxes or internal threading around customer conversations.
Dialpad features: AI-powered transcription | Real-time coaching | Call recording | Video meetings | SMS messaging | Voice intelligence | CRM integrations
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Screenshot by Ritoban Mukherjee/ZDNET
Nextiva has built a reputation as one of the most reliable VoIP providers in the industry. The Core plan starts at $15 per user per month, but functional pricing for most businesses begins at $29 per month including necessary add-ons. That's the higher end of small business VoIP pricing, but it includes features that justify the premium for many companies.
The company promises an impressive 99.999% uptime guarantee and 24/7 US-based customer support. I never experienced dropped calls or significant quality issues, even during peak usage times. When contacting support with setup questions, I reached a knowledgeable agent in under five minutes who resolved my issue without escalating to senior staff.
Nextiva bundles an unusual amount of functionality into its base plans. You get unlimited calling to the US, Canada, and Puerto Rico, HD video conferencing, team messaging, and a built-in CRM system for managing customer information. The platform includes sophisticated call routing options, multilevel IVR menus, and comprehensive analytics dashboards. Integrations span popular CRM platforms, helpdesk software, and productivity tools.
But there are caveats. The Digital plan at $20 per user per month doesn't include voice calling at all, limiting you to chat and social media management. Important features like call recording require upgrading to the Engage plan at $50 per user per month. The admin interface, while powerful, feels dated and overwhelming compared to more modern alternatives. Small businesses with limited budgets may struggle to justify Nextiva's pricing.
Nextiva features: Unified communications | Call analytics | Video conferencing | Team chat | CRM capabilities | Advanced call routing | Voicemail transcription
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VoIP Provider | Starting Cost | Customizable? | Integrations | Easy to Use? |
Grasshopper | $14 per month | Limited customization options | Not supported - no native integrations | Yes - simple interface |
Zoom Phone | $15 per month | Yes - custom call routing and workflows | Supported - 5+ integrations including Zoom ecosystem | Yes - familiar interface |
8x8 | Contact for pricing | Yes - extensive customization available | Extensive - 40+ CRM and business integrations | Requires training - complex setup |
Dialpad | $15 per month | Yes - custom fields and automation | Supported - 20+ integrations including CRMs | Yes - intuitive design |
Nextiva | $15 per month | Yes - advanced customization and routing | Extensive - 100+ integrations available | Requires training - feature-rich interface |
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Choose this VoIP provider... | If you want or need... |
Grasshopper | The most affordable option with essential business phone features and minimal complexity. Perfect for freelancers, consultants, and micro businesses that need to project professionalism without technical overhead or high monthly costs. |
Zoom Phone | Seamless integration with your existing Zoom Meetings setup and excellent call quality. Ideal if your team already relies on Zoom for video conferencing and you want unified communications without managing multiple platforms. |
8x8 | Comprehensive unified communications with strong international calling coverage. Best for mid-sized businesses with remote teams across multiple countries that need advanced analytics, contact center features, and enterprise-grade reliability. |
Dialpad | AI-powered insights and real-time transcription to improve team performance. Perfect for sales and customer service teams that want to leverage conversation intelligence without paying extra for AI features or building custom solutions. |
Nextiva | Industry-leading reliability with 24/7 support and a comprehensive feature set. Great for businesses that can't afford downtime, need responsive customer support, and want a platform that scales from basic phone service to full contact center capabilities. |
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VoIP platforms have elaborate pricing structures that feel like they're designed to confuse, but it's important to look at everything -- not just the starting cost. Here are some things I examine when evaluating VoIP services, so you can make your own shortlist before settling on a purchase decision:
Pricing structure and hidden costs: VoIP providers use different billing models that significantly impact your actual costs. Some charge per user, others per phone number, and many add fees for features like additional numbers, international calling, or premium support. Calculate your total cost including likely add-ons rather than focusing solely on the base price.
Call quality and reliability: Poor call quality damages your professional image and frustrates customers. Look for providers offering uptime guarantees of at least 99.9%. Read recent user reviews specifically mentioning call quality, so you can stay aware of recent drops in usability.
Scalability and feature growth: Your VoIP system should accommodate business growth without forcing a platform migration later. Check whether advanced features like call recording, analytics, and auto attendants are included or require plan upgrades.
Integration capabilities: VoIP systems work best when they connect smoothly with your existing business tools. API access matters if you need custom integrations or workflow automation. Poor integration support creates data silos and forces your team to juggle multiple platforms unnecessarily.
Mobile and remote work support: Modern teams need phone systems that work anywhere, not just at desks. Evaluate the quality of mobile apps for iOS and Android, including whether they support all platform features or just basic calling.
Customer support quality and availability: When your phone system goes down, you need responsive support that actually solves problems. Investigate what support channels are available (phone, chat, email) and during what hours. Check whether your chosen plan includes priority support or limits you to basic assistance. Read user reviews focusing on support experiences, as these reveal whether the company delivers on its service promises.
Compliance and security requirements: Businesses handling sensitive information need VoIP providers that take security seriously. Verify whether the platform meets relevant compliance standards for your industry, such as HIPAA for healthcare or PCI-DSS for payment processing.
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I'm a B2B tech journalist who's been reviewing business communications systems for almost a decade. I've tested everything from video conferencing tools to live chat and voice calling solutions, watching each platform evolve as it grows.
For this buying guide, I created test accounts and simulated business calls with each provider. This typically involved setting up virtual phone systems on my computer, configuring call routing, testing mobile apps, and making test calls to assess quality. I also went through the checkout flow to identify hidden fees with each provider and understand what features require upgrades.
I went beyond the introductory rates to understand renewal costs, estimate add-on charges, and assess the total cost of ownership over time. I also connected each platform to other common business tools so I could see how well they integrated within larger automated workflows.
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Yes, virtually all VoIP providers support number porting, which transfers your existing phone number to their service. The process typically takes 7-14 business days and requires providing documentation proving you own the number. Most providers handle porting at no cost, though some charge nominal fees of $5-15 per number. Plan the transition carefully to avoid service interruptions and keep your old service active until porting completes successfully.
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Quality VoIP calls require at least 100-150 Kbps upload and download speed per concurrent call, though providers recommend 3-5 Mbps for optimal performance. A small business with five employees making simultaneous calls would need roughly 1-2 Mbps dedicated bandwidth. Poor internet speed causes choppy audio, dropped calls, and delayed conversations that frustrate customers. Test your current connection speed and consider upgrading if you're frequently maxing out bandwidth with existing usage.
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No, modern VoIP systems work through computer and mobile apps without requiring desk phones. However, many businesses choose to purchase VoIP-compatible desk phones for better call quality and more professional setups. Desk phones typically cost $100-$400 depending on features, with brands like Yealink, Poly, and Cisco offering popular options. Some providers include basic desk phones with annual contracts or offer hardware rental programs that reduce upfront costs.
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Vonage
Provides flexible cloud communications with competitive international rates, starting at $20 per user monthly with good mobile apps and advanced call analytics suitable for remote teams.
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Ooma
Delivers reliable VoIP service with affordable pricing starting at $20 per user monthly, offering virtual receptionist features and free number porting that appeals to budget-conscious small businesses.
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