17 Best VoIP Services in Brazil for Medium-Sized Businesses

VoIP Services still reigns supreme when it comes to building relationships, closing deals, and solving customer problems. For growing businesses in Brazil, the ability to connect with customers, partners, and teammates quickly and clearly is critical. But with legacy phone systems becoming outdated and expensive, it’s time to switch to smarter, more scalable alternatives.

That’s where Voip (Voice over Internet Protocol) solutions come into play. These cloud-based phone systems allow you to handle voice communication through the internet, giving you access to features like auto-attendants, call routing, CRM integration, and remote agent management, all without the cost or limitations of landlines.

Whether you run a mid-sized eCommerce platform, a regional law firm, a logistics company, or a fast-scaling startup, this guide will help you choose from 17 of the best VoIP service providers in Brazil based on your budget, business model, and growth needs.

Why VoIP Is Crucial for Mid-Sized Businesses in Brazil

As Brazil’s digital economy surges, the demand for agile and cost-effective communication solutions is at an all-time high. Traditional PBX systems are proving to be too rigid and expensive to adapt to a dynamic work culture. Voip helps solve that, while also preparing businesses for the future.

1. Supporting Hybrid and Remote Work

Many mid-sized companies in Brazil now have employees working from home, field locations, or multiple cities. Voip ensures that these team members stay connected via mobile apps, softphones, or browser extensions, without needing physical hardware.

2. Cutting Down Call Costs

For businesses handling hundreds or thousands of monthly calls, especially international ones, Voip offers significant cost savings. 

3. Better Customer Experience

Voip systems enable advanced routing, call queues, interactive IVRs, and voicemail transcription, ensuring that no customer is left waiting or lost. It also allows instant insights from analytics, helping you optimise operations.

4. Smarter Data and Integration

With CRM syncing and call tagging, every conversation becomes part of your sales or support system. Voip turns your phone system into a data engine that informs decisions and automates workflows.

Must-Have Features in a VoIP Solution for Brazil

Before you invest in a platform, make sure your VoIP system offers these critical features tailored for Brazilian businesses:

1. Brazilian Virtual Numbers (DIDs)

Make sure the provider offers Brazilian local numbers across São Paulo, Rio de Janeiro, Brasília, Porto Alegre, and other key hubs. Local DIDs improve pickup rates and trust.

2. Integration with Business Tools

Whether you use Salesforce, Pipedrive, Zoho, or HubSpot, your VoIP platform should automatically log calls, track follow-ups, and centralize conversation data.

3. Cross-Device Support

Look for platforms with web apps, desktop dialers, and mobile apps—so your team can work from any location or device.

4. AI and Analytics

Advanced platforms provide transcription, call outcome tagging, and sentiment analysis to help your team learn and improve faster.

5. LGPD Compliance

Brazil’s data privacy law (Lei Geral de Proteção de Dados) requires consent and data security. VoIP tools must offer encrypted storage and consent handling.

Top 17 Voip Service Providers in Brazil (2025)

Let’s now begin with detailed breakdowns of the best Voip tools available in Brazil.

1. FreJun

FreJun is an AI-powered VoIP platform built for businesses looking for smart, automated, and cost-effective communication solutions. Unlike traditional VoIP apps, FreJun automates call handling, integrates seamlessly with CRM tools, and provides real-time analytics, making it the best choice for companies in the UAE.

Key Features:

• AI-Powered Call Analytics – Track, analyze, and improve calls.

          How FreJun’s AI Enhances Business Communication

• Seamless CRM Integration – Works with Salesforce, HubSpot, and Zoho.

         See How FreJun Integrates with Leading CRMs

• Call Recording & Transcription – Automatically log and store call data.

          Discover How FreJun’s Call Recording Works

• Enterprise-grade security – GDPR-compliant with encryption.
  
  
• Virtual Numbers & Auto Dialing – Expand business reach globally.

          Explore FreJun’s Virtual Phone Solutions

• Multi-Device Compatibility – Use on desktop, mobile, and VoIP phones.

Pricing:  Standard: Begins at $14.49 per user, per month.

              Professional: Starts at $16.69 per user, per month.

G2 Rating: 4.9/5 (Read Reviews)

2. RingCentral

RingCentral MVP is a powerhouse in the VoIP industry, offering a versatile platform that combines voice, video, and messaging. Businesses benefit from its advanced call-handling features, including automatic call distribution, call forwarding, and robust analytics. The platform integrates seamlessly with productivity tools like Microsoft Teams and Salesforce, making it an excellent choice for enterprises looking to streamline communication. With its focus on reliability and scalability, RingCentral MVP caters to businesses of all sizes, from startups to global corporations.

Key Features: 

Unified communication for voice, email, and chat.

• AI-powered analytics to optimize customer interactions.
• Call recording and voicemail transcription for efficient documentation.
• Mobile and desktop apps for on-the-go communication.
• Reliable uptime with 24/7 customer support.

Pricing:  The basic plan starts at $30/user/month.

G2 Rating: 4/5

3. Zoom Phone

Building on its success as a video conferencing leader, Zoom has introduced Zoom Phone, a feature-rich VoIP service tailored for hybrid work environments. Zoom Phone offers high-quality voice communication alongside its renowned video capabilities. Businesses can leverage their global PSTN coverage to ensure seamless international communication. The platform is ideal for teams that frequently use video and voice together, providing a unified experience for remote and in-office employees.

Key Features:

• Enterprise-grade PSTN connectivity with global reach.
• Seamless integration with Zoom Meetings for unified communication.
• Voicemail transcription and call recording for documentation.
• Scalable plans were suitable for businesses of any size.
• Robust security features to protect sensitive data.

Pricing: Starts from $10/month/user.

G2 Raings: 4.5/5

4. Avoxi 

Avoxi provides businesses with a scalable and reliable VoIP platform suitable for international operations. Its global reach is bolstered by the ability to offer local and toll-free numbers in over 170 countries. Avoxi’s intelligent call routing and call analytics give businesses the ability to track and optimize call performance while enhancing team collaboration. The service is built on a cloud-based infrastructure, making it an ideal choice for teams working remotely or across multiple regions. With its API integrations, Avoxi also offers businesses the flexibility to customize workflows to meet unique needs.

Key Features:

• Local and toll-free numbers in 170+ countries.
• Call tracking and analytics for performance optimization.
• Intelligent call routing and IVR.
• Cloud-based platform with API integrations.

Pricing: Starts at $19.99/month.

G2 Rating: 4.5/5

5. Twilio

Twilio provides highly customizable APIs for businesses that need programmable voice, SMS, and video communication. It is a cloud-based automatic solution that allows developers to integrate it with other communicative platforms with the help of its API. As the developers will integrate it with other software applications they can make it a scale communication services provider.

Key Features:

• Programmable APIs for voice, SMS, and video.
• Global reach with multi-country connectivity.
• Programmable APIs for voice, SMS, video, and authentication.
• Multi-channel communication via chat, WhatsApp, and email.
• Global reach with multi-country connectivity and localized phone numbers.

Pricing: Visit the twilio page for pricing details

G2 Rating: 4.2/5

6. Dialpad

Dialpad Talk leverages artificial intelligence to provide businesses with smarter communication tools. Its AI-powered call transcription and sentiment analysis offer valuable insights into customer interactions. The platform integrates seamlessly with popular tools like Google Workspace and Slack, making it an ideal choice for tech-savvy teams. Dialpad’s intuitive design and advanced features cater to businesses aiming to improve productivity and customer satisfaction.

Key Features:

• AI-driven call transcription and sentiment analysis.
• Seamless integration with Google Workspace, Slack, and more.
• Real-time coaching for sales and support teams.
• Voicemail transcription and intelligent call routing.
• Scalable plans for growing businesses.

Pricing: The basic plan starts at $27/user/month.

G2 Rating: 4.4/5

7. CloudTalk

CloudTalk delivers seamless, reliable calls with a worldwide presence, so you can reach every customer, everywhere.

Why Choose CloudTalk AI?

CloudTalk provides intelligent call routing and AI analytics to optimize customer support.

Key Features:

• AI-powered call insights & coaching
• Real-time call transcription
• Call tagging & reporting dashboard
• CRM integrations

Pricing: The basic plan starts at $30/per month.

G2 Rating: 4.3/5

8. Cisco Webex Calling 

Cisco Webex Calling is a trusted VoIP solution for enterprises requiring top-notch security and performance. It integrates seamlessly with the Webex suite, offering a unified communication experience with voice, video, and team collaboration tools. With its enterprise-grade encryption and compliance features, Cisco Webex Calling is a top choice for industries with stringent security requirements.

Key Features:

• High-quality HD voice and video communication.
• Advanced security features, including end-to-end encryption.
• Integration with Webex Teams for enhanced collaboration.
• Global reach with PSTN connectivity.
• Scalable solutions for large enterprises.

Pricing: The basic plan starts at  $15.30/user/month.

G2 Rating: 4.5/5

9. Grasshopper 

Grasshopper is a virtual phone system specifically designed for small businesses and startups. It offers a simple yet effective solution for managing calls, allowing users to create professional setups without the complexity of traditional systems. With features like call forwarding, voicemail, and auto-attendant, Grasshopper helps businesses project a professional image and stay connected on the go.

Key Features:

• Virtual phone numbers with local, toll-free, and vanity options.
• Auto-attendant for professional greeting and call routing.
• Call forwarding to mobile and desktop devices.
• Voicemail transcription for easy access to messages.
• Simple pricing plans with unlimited extensions.

Pricing: pricing starts at $14 per month.

G2 Rating: 4/5

10. Nextiva

Nextiva is renowned for its easy-to-use VoIP platform that combines advanced calling features with productivity-enhancing tools. It offers businesses a centralized communication hub that integrates voice, email, and chat for improved collaboration. Nextiva’s analytics and automation tools provide actionable insights into customer interactions, helping businesses enhance their service quality. With affordable pricing plans and scalability, Nextiva is an ideal choice for small to medium-sized businesses looking for a reliable VoIP provider.

Key Features:

• Unified communication for voice, email, and chat.
• AI-powered analytics to optimize customer interactions.
• Call recording and voicemail transcription for efficient documentation.
• Mobile and desktop apps for on-the-go communication.
• Reliable uptime with 24/7 customer support.

Pricing: The basic plan starts from $20.

G2 Rating: 4.5/5

11. Vonage Business Cloud

Vonage Business Communications is a trusted VoIP provider offering flexibility and a wide array of features for businesses of all sizes. The platform includes advanced APIs that allow businesses to customize their communication workflows. With features like call queuing, IVR, and virtual receptionist, Vonage ensures smooth and professional communication. It also integrates seamlessly with popular CRMs, enabling sales and support teams to work more efficiently.

Key Features:

• Extensive API support for custom workflows.
• Advanced IVR and call routing for better customer management.
• Integration with Salesforce, HubSpot, and other CRMs.
• Scalable plans to accommodate growing teams.
• Reliable 24/7 customer support and robust documentation.

Pricing: Vonage’s basic Mobile Plan starts at $19.99 per user per month.

G2 Rating: 4.3/5

12. JustCall

JustCall offers a feature-rich VoIP platform designed for customer-centric teams, providing an array of tools for sales, support, and customer success teams. It integrates seamlessly with CRM tools and automation platforms, enabling teams to automate workflows and track customer interactions across multiple channels. With JustCall’s customizable workflows, businesses can streamline their communication processes and improve their efficiency. The platform also boasts multi-channel communication options (voice and SMS), so your team can interact with customers through their preferred channel.

Key Features:

• Multi-channel communication (voice and SMS).
• Custom workflows and automation.
• Call tracking and performance monitoring.
• Reliable uptime with 24/7 support.

Pricing: Starts at $24/user/month.

G2 Rating: 4.3/5

13. Aircall

Aircall focuses on improving customer communication, offering a platform designed for sales and support teams. Its features include real-time call monitoring, customizable IVR, and seamless CRM integration. Aircall’s simplicity and focus on customer interactions make it a favourite among teams looking to improve efficiency and service quality.

Key Features:

• Real-time call monitoring and analytics.
• Customizable IVR for personalized customer experiences.
• Integration with top CRMs like HubSpot and Salesforce.
• Cloud-based platform for easy remote access.
• Scalable plans for growing teams.

Pricing: The basic plan starts at $30/user/month.

G2 Rating: 4.3/5

14. Ooma Office

Ooma Office is a budget-friendly VoIP solution that provides all the essential features small businesses need to maintain efficient communication. Its user-friendly setup and virtual receptionist features make it easy to manage calls and streamline operations. Ooma Office offers affordable pricing with no long-term contracts, making it an excellent choice for businesses with tight budgets.

Key Features:

• Virtual receptionist for automated call handling.
• Call blocking and routing to improve call management.
• Mobile app for managing calls from anywhere.
• Simple pricing with no contracts or hidden fees.
• Reliable call quality with built-in failover capabilities.

Pricing: Pricing for VOIP service is $20 per month.

G2 Rating: 4.6/5

15. 3CX 

3CX offers a unified communication platform that integrates voice, video, and team collaboration tools into a single solution. Ideal for businesses looking for an all-in-one communication system, 3CX provides advanced call analytics, web-based video conferencing, and mobile apps for iOS and Android users. Its integration with Office 365 makes it a valuable tool for teams already using Microsoft’s productivity suite.

Key Features:

• Web-based video conferencing.
• Advanced call analytics and management tools.
• Mobile apps for iOS and Android.
• Seamless integration with Office 365.

Pricing: Contact for details.

G2 Rating: 4.4/5

16. CallHippo 

CallHippo is a cloud-based VoIP platform designed for multinational teams and businesses with international clients. Offering virtual numbers in more than 50 countries, CallHippo allows businesses to maintain a local presence across the globe. It features advanced call tracking, IVR (Interactive Voice Response), and call queuing, which ensure smooth customer interactions and optimize call management. Additionally, the platform integrates with CRM tools like Salesforce, Zoho, and Pipedrive, making it an excellent choice for teams that rely on customer relationship management for sales and support.

Key Features:

• Local and toll-free numbers in multiple countries.
• IVR, call queuing, and analytics.
• Integrations with Pipedrive, Zoho, and Salesforce.
• Advanced call tracking for sales teams.

Pricing: Starts at $16/user/month.

G2 Rating: 4.4/5

17. Voicent 

Voicent leverages AI to enhance communication, offering advanced features such as predictive dialling, call scripting, and comprehensive analytics. Ideal for sales and marketing teams, Voicent’s predictive dialling helps increase agent productivity by automatically dialing numbers based on available leads. The platform also integrates with CRM systems like Salesforce and Zoho, making it easier for businesses to track customer interactions and gain valuable insights. Voicent’s AI-powered analytics provide in-depth reporting, helping teams refine their strategies and drive higher conversion rates.

Key Features:

• Predictive dialling for sales and marketing teams.
• CRM integrations with Salesforce and Zoho.
• AI-powered analytics for deeper insights.
• Scalable plans for growing enterprises.

Pricing: Starts at $29/user/month.

G2 Rating: NA

Choosing the Right Voip System Based on Your Use Case

To choose the right Voip system, start by understanding your specific business needs, including call volume, user count, and desired features. Then, assess your budget and compare different Voip providers, focusing on factors like call quality, reliability, security, customer support, and available features. Finally, consider factors like third-party integrations, pricing models, and the provider’s experience and track record.  

1. For Sales-Driven Teams

Speed, precision, and smart automation define modern sales teams. You need tools that can do more than just call — think CRM syncing, smart follow-ups, and performance insights.

Why FreJun?
FreJun is built for high-velocity sales. It offers instant CRM integrations (HubSpot, Zoho, Pipedrive, etc.), local numbers in markets like UAE, India, and Brazil, and smart call workflows that boost conversions.

Features that make FreJun perfect for sales:

• Click-to-call directly from CRM
  
• Automatic call logging and tagging
  
• Follow-up triggers via WhatsApp/SMS
  
• Dashboard for real-time sales performance
  

Pro Tip: FreJun’s AI-based call summaries save your sales reps hours every week.

2. For Customer Support Centres

When customer experience is everything, you need a Voip system that routes calls intelligently, handles multilingual support, and integrates with helpdesk platforms.

Why FreJun?
FreJun combines enterprise-grade call routing with intuitive IVRs, real-time agent performance tracking, and multilingual call flows — perfect for support teams in Brazil and beyond.

Key support-centric capabilities:

• Custom IVRs in Portuguese, Hindi, and other local languages
  
• Automated ticket creation in CRM or helpdesk tools
  
• Smart routing based on business hours, agent skill, or region
  
• In-depth analytics for call resolution and wait times

Key Takeaway: FreJun helps support teams reduce resolution time and improve CSAT scores effortlessly.

3. For Recruitment & HR Teams

Recruiters need to screen faster, follow up smarter, and log everything centrally. Call fatigue is real — automation and tracking can change the game.

Why FreJun?
FreJun is built for recruitment workflows with integrations to CEIPAL, Zoho Recruit, TurboHire, and more. From AI transcription to call tagging by job role, FreJun saves recruiters time and improves coordination.

Highlights for hiring workflows:

• Record and transcribe screening calls
  
• Route calls based on recruiter or region
  
• WhatsApp/SMS follow-ups post-interview
  
• Dashboard to track recruiter activity and response rate

Pro Tip: Use FreJun’s auto-tagging to group candidates by role, source, or recruiter—no manual effort.

4. For Dev-Led or Tech-First Companies

Engineering and product-led teams need more than plug-and-play — they need flexibility, APIs, and full control over workflows.

Why FreJun?
FreJun balances no-code ease with developer-friendly APIs. Whether you’re building a custom dialer or automating call flows in your own app, FreJun’s programmable interface and robust documentation support agile development.

Built for tech leaders:

• Public REST APIs for full voice automation
  
• Webhooks for custom event tracking
  
• Self-serve integration for custom CRMs or internal tools
  
• Scalable across on-premise or cloud-based apps
  

Key Takeaway: FreJun gives your tech team the control they want — with none of the maintenance overhead.

5. For Hybrid or Multi-Location Businesses

Managing remote teams, satellite offices, or field agents? You need a VoIP system that ensures everyone’s connected — on desktop, mobile, or browser.

Why FreJun?
FreJun’s cloud-first approach works across locations, devices, and time zones. Admins get centralized dashboards, while teams enjoy browser-based calling, mobile apps, and auto-synced call data — no matter where they work.

Perfect for distributed teams:

• Works across browsers, mobile, and desktop
  
• Admin controls for user roles, call routing, and data privacy
  
• Voicemail, call recordings, and follow-ups synced to one dashboard
  
• Ideal for companies with offices in India, UAE, and Brazil
  

Pro Tip: FreJun’s local number support ensures regional presence without physical branches.

Final Thoughts

VoIP isn’t longer a phone system — it’s the backbone of modern business communication. Medium-sized businesses in Brazil enjoy unmatched flexibility, cost efficiency, and intelligence.

From sales acceleration and customer service excellence to smart recruitment and remote collaboration, the right VoIP solution can turn every call into a competitive advantage.

Among the 17 platforms reviewed, FreJun stands out for combining:

• Brazilian and international number support
  
• AI-based call transcription and analytics
  
• Deep CRM + ATS integrations
  
• LGPD compliance for Brazilian teams
  
• Remote-ready features with mobile/web apps
  

Whether you’re scaling your outbound sales, managing multilingual support, or building global relationships, FreJun gives you the voice infrastructure to scale smart.

Try FreJun Free for 3 Days → 

 Built for Growth | CRM Synced | Brazil + UAE Numbers | Remote-Friendly

Further Reading: How Unified Communication Platforms Boost Team Productivity?

Frequently Asked Questions (FAQs)