Voice-over-Internet-Protocol (VoIP) plays a vital role in business communication, offering flexibility and cost savings over traditional landlines. If you’re new to cloud-based calling, a free VoIP phone service is a great starting point for basic needs and a limited budget. It provides just enough to operate professionally, including voicemail, a phone number, and unlimited calls. As your needs grow, paid VoIP plans offer affordable upgrade paths with more advanced capabilities.
Here are my top picks for free VoIP services to help you stay connected without the cost:
Low-cost VoIP Services | Best for | Monthly starting price |
|---|---|---|
Home office use | $9.99 with a 60-day free trial | |
Small, collaborative teams | $18.95 for five users | |
Google Workspace users | $10 per user | |
Small teams and solopreneurs | $18 per user | |
Centralized communications | $30 per user | |
Multichannel client communications | $23 per user |
Transform Your Business Communications with RingCentral |
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The Fit Small Business editorial process follows strict standards to ensure that our best answers are grounded in accuracy, clarity, authority, objectivity, and accessibility. Drawing on my experience evaluating VoIP and cloud communications solutions, I’ve identified industry-leading VoIP providers and popular choices among business professionals, thoroughly assessing each through in-depth reviews.
Review my full methodology to learn more about my evaluation process and criteria.
Best free and low-cost VoIP services compared
Free VoIP services | Free plan | Free trial | Key features | My rating (out of 5) |
|---|---|---|---|---|
âś” | âś” |
| 4.92 | |
âś” | 30 days |
| 4.63 | |
âś” | X |
| 4.61 | |
X | 7 days |
| 4.16 | |
X | 14 days |
| 4.10 | |
X | X |
| 4.07 |
Ooma: Best for home use
Pros
- Supports unlimited international calls
- Includes 50-plus voice features in the entry-level office plan
- Only takes 15 minutes for the setup
Cons
- Only allows 8 members in the team chat
- Has limited integrations
- Charges an activation fee of $49.95 for Office plans
My expert opinion
If you’re working from home and want a simple, no-fuss phone solution, Ooma Basic is a great place to start. It’s a residential VoIP service that includes free US calling, voicemail, and an answering machine. A one-time purchase of the Ooma Telo hardware gives you a cloud-based phone service at no monthly cost, with access to features found in a traditional landline.
Like Google Voice, Ooma’s home phone is dedicated to those working from home. If you’re seeking free VoIP services that support multiple users and include professional phone features, I recommend OnSIP as an excellent alternative.
Ooma Basic is a free VoIP phone service that includes essential features such as caller ID, 911 service, and voicemail. If you want more control and convenience, Premier adds call blocking, voicemail monitoring, and the ability to ring multiple devices at once.
The Essentials plan covers the basics, including a virtual receptionist, a mobile app, and up to 50 calling features. With Pro, you get added functionality, such as video meetings, call recording, and voicemail transcriptions, which are ideal if your team works across multiple devices. For more advanced needs, the Pro Plus includes customer relationship management (CRM) integrations, call analytics, and features like hot desking and call queuing.
- Custom call blocking:Â Block unwanted calls by number or caller ID, and choose whether to send them to voicemail or disconnect.
- Enhanced caller ID:Â Identifies unknown callers using a national database, displaying both the number and name
- Virtual fax:Â Send and receive faxes digitally through the Ooma app, no physical fax machine required. A single fax may contain multiple PDF files.
Customize spam call blocking with Ooma’s call filtering preferences. (Source: Ooma)
OnSIP: Best for small, collaborative teams
Pros
- Supports unlimited users for its Basic plan
- Provides free desk phones
- Offers multiple call routing options
Cons
- Has a five-user minimum for its Unlimited plan
- Charges Basic plan users for additional feature credits
- Lacks business SMS
My expert opinion
Among the free VoIP service providers I reviewed, OnSIP stands out by offering voice, video, and messaging capabilities without monthly fees. Unlike Google Voice and Ooma, it offers unlimited user extensions, business hour rules, and custom web call links to create a more professional image. For teams that need more advanced tools, such as auto-attendants or call recording, OnSIP also offers flexible paid options, including unlimited and pay-as-you-go plans.
However, OnSIP doesn’t support native text messaging, which can be a limitation for businesses that rely on SMS to engage clients. If texting is an essential part of your communication workflow, Grasshopper is a better fit. It offers unlimited business texting and automated replies, helping you stay responsive without needing additional tools.
Plans* | Free | Unlimited | Basic |
|---|---|---|---|
Monthly cost | Free | $18.95 per user | $49.95 per account |
- Video conferencing:Â Join video calls from anywhere through the browser-based OnSIP app. You can invite up to five people to a conference call.
- Business hour rules:Â Set rules to control how calls are routed based on your availability or working hours.
- OnSIP-Slack integration:Â Connect OnSIP with Slack to enable click-to-call links and real-time presence monitoring.
Manage VoIP contacts and call history using contact search and SIP logs.
(Source: OnSIP)
Google Voice: Best for Google Workspace users
Pros
- Has a user-friendly interface
- Offers low-cost monthly plans
- Supports desk phone options
Cons
- Requires a Google Workspace subscription to avail of the business version
- Has limited call features
- Limits access to 14 countries
My expert opinion
I chose Google Voice as the best free VoIP phone service if you’re looking for an easy-to-use cloud phone app with essential calling features. All you need is a Google account and a US phone number to sign up for the personal plan. It works for teams with straightforward communication needs as it includes a local virtual number, unlimited domestic calling, voicemail, and basic call forwarding.
Businesses using Google Workspace can upgrade to Google Voice’s business plan as an add-on. However, Google Voice has limitations when it comes to high call volumes or advanced collaboration needs. It lacks the full suite of tools offered by more robust VoIP providers. If you need a platform that combines voice, video, and messaging in one place, RingCentral is a better fit for growing teams.
 | Google Workspace add-on | |||
|---|---|---|---|---|
Plans | Personal | Starter | Standard | Premier |
Monthly cost | Free | $10 | $20 | $30 |
- Voicemail transcription:Â Automatically converts voicemail to readable text so you can read incoming voice messages discreetly.
- Multilevel auto-attendant:Â Guide callers to a set of phone menus and customize your options and greetings through the text-to-speech tool.
- Ring groups:Â Distribute incoming calls from the same number to multiple team members to lessen wait times and missed calls.
Choose your Google Voice number by city or area code. (Source: Google)
Grasshopper: Best for small teams & solo users
Pros
- Supports unlimited users for a fixed monthly fee
- Has no extra fees for toll-free vanity numbers
- Offers all-inclusive VoIP features
Cons
- Lacks third-party integrations
- Doesn’t have built-in collaboration features
- Charges plans with fewer features than similarly priced competitors.
My expert opinion
Grasshopper is an ideal VoIP solution for solo professionals and small teams who want a simple, reliable way to separate business and personal calls. It provides essential tools like business phone numbers, custom greetings, and call forwarding, all accessible through an easy-to-use mobile or desktop app. With unlimited calling and texting across all plans, Grasshopper helps you stay professional and connected on the go.
Although Grasshopper isn’t one of the free VoIP phone services, it still offers great value by focusing on features that are valuable to microbusinesses. But keep in mind that Grasshopper is more of a virtual phone system than a unified communications (UC) platform. It lacks key features like video conferencing, team chat, and task management tools that growing teams often need. If you’re looking for an all-in-one solution with voice, video, and messaging in a single platform, RingCentral is the better choice.
Plans* | True Solo | Solo Plus | Small Business |
|---|---|---|---|
Monthly | $18 | $32 | $70 |
Annually | $14 | $25 | $55 |
- Voice Studio:Â Create a strong first impression by hiring professional voice talent to record your greetings, announcements, and auto-attendant messages.
- Instant response: When you’re unavailable to answer a call, Grasshopper can automatically send a text message to the caller. This feature helps you stay responsive by letting potential clients know you’ve received their call and will follow up soon.
- Business texting:Â Every Grasshopper plan comes with unlimited business texting, so you can easily send quick updates or respond to customer inquiries via text. Registration is required to unlock this feature.
Grasshopper unified voicemail inbox on desktop and mobile. (Source: Grasshopper)
RingCentral: Best centralized communications
Pros
- Offers feature-rich capabilities for phone, meetings, and chat
- Has up to 500 third-party integrations
- Includes robust call customization options
Cons
- Limits monthly credits for SMS
- Can be overwhelming for entry-level VoIP needs
- Has a complex setup
My expert opinion
If you need a VoIP solution that brings all your business communications under one roof, RingCentral, the leading small business VoIP service, is the clear standout. It combines voice, video, messaging, and team collaboration tools into a single platform, making it easier to manage communication across departments and devices.
AI features for voice and meetings are included at no cost, enabling more efficient communication. RingCentral is also highly scalable, so you can easily add users, locations, or integrations as your business grows. However, if your focus is on keeping things simple and affordable, OnSIP is a better alternative. It’s a practical starting point for businesses that want to stay flexible without sacrificing functionality.
Plans* | Core | Advanced | Ultra | Customer Engagement Bundle |
|---|---|---|---|---|
Monthly | $30 | $35 | $45 | Contact sales for pricing |
Annually | $20 | $25 | $35 |
- Virtual numbers: Purchase any type of direct inward dialing (DID) number, including local, toll-free, vanity, and international numbers, to help you connect with clients from anywhere.
- Call flip:Â Seamlessly transfer live calls between devices without interruption. The call can only be picked up by the person who initiated the conversation.
- Shared lines:Â Allow multiple team members to manage calls from a single phone number.
You can also place a call on hold and then continue the conversation on another phone.
RingCentral app shows real-time call controls and a post-call recap. (Source: RingCentral)
Nextiva: Best multichannel communications
Pros
- Supports digital customer channels
- Provides flexible monthly plans
- Features intuitive call flows
Cons
- Has additional fees for CRM integrations
- Requires a higher-tier subscription to unlock calling features
- Lacks a free trial
My expert opinion
Nextiva shines if you’re looking for a VoIP provider that goes beyond voice for multichannel communication. It combines messaging apps, social media, and review management with voice, email, and SMS into a single, unified system. This makes it easier for your team to manage client interactions across multiple touchpoints without switching between apps.
While Nextiva isn’t among the free VoIP phone service providers, it delivers strong value through its feature-packed tiers designed for growing businesses. However, if your business relies solely on phone calls and doesn’t need chat, email, or workflow automation, Nextiva might be more than you need. For straightforward voice communication at a lower cost, Google Voice is a better fit.
Plans | Core | Engage | Scale |
|---|---|---|---|
Monthy | $23 | $50 | $75 |
Annually | $15 | $25 |
- Group email mailbox:Â Empowers teams to deliver timely responses by having shared email accounts and routing incoming messages to a centralized inbox.
- Digital fax:Â Send and receive faxes securely through email or an online portal without the need for physical fax machines.
- Customer to team SMS:Â Team members can simultaneously manage all incoming text messages for any assigned user, enabling cross-team visibility into client interactions.
Connect social media accounts in the Nextiva VoIP onboarding panel. (Source: Nextiva)
How to choose the best free VoIP service
Choosing the best free VoIP service starts with knowing what “free” actually includes. Some providers offer free personal calling, while others provide limited business features, free trials, or pay-as-you-go options. Before choosing one, make sure the free plan supports the way your business communicates.
When comparing free VoIP services, consider the following:
- Free plan limits: Check whether the provider limits users, minutes, phone numbers, messages, devices, or call destinations. A free plan may work for occasional calls but fall short for daily customer communication.
- Business phone number access: Some free VoIP services do not include a dedicated business number. If you need a separate work line, confirm whether local, toll-free, or ported numbers are included or require a paid upgrade.
- Calling and texting needs: Decide whether you only need voice calling or also need SMS, voicemail, call forwarding, or team messaging. Free tools often limit these features or reserve them for paid plans.
- Device compatibility: Make sure the service works on the devices your team uses, such as mobile phones, desktops, browsers, or desk phones. This is especially important for remote teams and solopreneurs working from personal devices.
- Upgrade path: Choose a provider with affordable paid plans if you expect to grow. This helps you avoid switching systems later when you need more users, call routing, analytics, or integrations.
- Professional image: Look for features that help your business sound credible, such as voicemail greetings, auto-attendants, caller ID, and call forwarding. Even a free VoIP service should help separate business and personal communication.
- Reliability and support: Free plans may offer limited support or fewer reliability guarantees. If missing calls could cost your business revenue, consider whether a low-cost paid plan is safer than a fully free option.
How I evaluated the best free VoIP services
I carefully selected a range of VoIP phone service providers that offer a free-forever plan and free trials. From there, I evaluated them against a set of criteria that reflect both hands-on experience and recent feedback from verified users. To learn more about my methodology, check out the list below to see how I identified the best free VoIP service.
- Pricing (30%):Â I gave top marks to providers with free-forever plans, free trials, and transparent pricing structures. Extra points were awarded to those who avoid ads and offer upgrade paths without hidden fees.
- General features (20%):Â Essential tools like free domestic calling, call handling, voicemail, and mobile access were key to this score. Providers that included a virtual phone number, business texting, and HD voice were rated higher for everyday functionality.
- Advanced features (10%):Â I looked for capabilities like auto-attendants, video conferencing, team messaging, and call recording. Providers that supported integrations with third-party tools and offered more robust functionality earned higher scores in this category.
- Ease of use (10%):Â Setup simplicity and day-to-day usability were both important, especially for non-technical users. Services with intuitive dashboards and minimal learning curves were rated the highest.
- Customer support (15%):Â Strong customer support was measured by availability across channels (phone, chat, email), 24/7 service options, and a well-maintained knowledge base. I also considered whether the provider offered built-in security tools for added peace of mind.
- Expert score (15%): Finally, I factored in my professional assessment of the platform’s overall feature set, user value, and third-party reviews. This allowed me to weigh real-world performance alongside product specs and user feedback. I also verified my findings with customer feedback to learn about their experiences and long-term use.
Frequently asked questions (FAQs)
Yes, you can use VoIP without a service provider, but it requires technical expertise. You’ll need to set up your own SIP (Session Initiation Protocol) server, which manages call setup, routing, and disconnection over the internet. This approach gives you greater control and flexibility, but it’s best suited for users with experience in custom configurations and network management.
Yes, some platforms offer free VoIP services with basic functionality. Google Voice and OnSIP are popular options, letting you make calls, send messages, and manage voicemails at no cost for limited use. Just create an account and verify it, but be aware that fees may apply for international or non-local calls.
Yes, you can get a free virtual number by signing up for Google Voice’s Personal plan with your Google account. During setup, you can choose from available US numbers based on a local area code and link the virtual line to your existing US number.
Bottom Line
A free VoIP phone service is a smart way to manage business calls without adding to your monthly expenses. It gives you the flexibility to connect with customers, collaborate with your team, and stay accessible regardless of your location. If your business is growing, a low-cost VoIP plan may be worth the investment to enhance your professional image and provide a smoother caller experience.
Ooma stood out as the best VoIP phone service for free, thanks to its free residential phone plan, which covers essential calling features for home-based work. When you’re ready to expand, Ooma Office gives you access to over 50 business-grade tools, making it easy to scale your communications as your company grows. Try Ooma today and discover how it can improve your calling experience.