...

frejun.com

15 Best VoIP Providers in Brazil for International Calls

voip-providers-brazil-international-calling.jpg

Last updated on April 27th, 2026 at 10:07 pm

Brazil hosts one of the largest telecom markets in Latin America, with over 213 million mobile connections as of 2024 (Source: ANATEL, Brazil’s National Telecommunications Agency). As companies expand internationally, they increasingly rely on VoIP providers in Brazil to cut calling costs, support remote teams, and integrate voice communication with CRM platforms. VoIP (Voice over Internet Protocol) routes calls over the internet rather than traditional phone lines, delivering significant cost savings for businesses handling high call volumes across borders.

Quick Answer: The best VoIP providers in Brazil for international calling include FreJun, Vonage, RingCentral, 8×8, and Aircall. FreJun leads for sales teams with AI-powered call automation, CRM integration, and plans starting at $14.49/user/month. Brazilian carriers Vivo, Claro, Oi, TIM, and Algar Telecom serve local enterprise needs. Choose based on call volume, CRM stack, and budget.

The top VoIP providers in Brazil combine low per-minute international rates, virtual Brazilian numbers, CRM integration, and AI call analytics to help businesses scale global communication efficiently.

What is VoIP?
VoIP (Voice over Internet Protocol) is a technology that transmits voice calls over the internet instead of traditional copper phone lines. For businesses in Brazil, VoIP eliminates expensive PSTN (Public Switched Telephone Network) charges and enables features like call recording, auto-dialers, and CRM integration at a fraction of traditional costs.

You can Sign up here or Schedule a Demo.

Quick Recommendations: Which VoIP Provider in Brazil Is Right for You?

  • Best Overall for Sales Teams: FreJun — AI-powered auto-dialer, CRM integration, from $14.49/user/month
  • Best for Enterprises: RingCentral — Global UCaaS with video conferencing, rated 4.5/5 on G2
  • Best for Global Reach: Vonage — Local numbers in 76 countries, 99.99% uptime SLA
  • Best for App-Based Teams: Aircall — Fast setup, app-first VoIP, rated 4.3/5 on G2
  • Best Local Brazilian Carrier: Vivo (Telefônica) — Largest network coverage across Brazil
  • Best for SME Budget: Grasshopper — Affordable plans, easy national and international calling

What Is the Best VoIP Service in Brazil for International Calls?

The best VoIP service in Brazil for international calling delivers reliable global connectivity, low per-minute rates, high call quality, and advanced features such as virtual numbers, call analytics, auto-dialers, and CRM integration. Businesses typically prefer cloud-based VoIP solutions like FreJun that support outbound campaigns, remote teams, and scalable communication. Additionally, the ideal provider should comply with Brazilian telecom regulations enforced by ANATEL and deliver consistent performance across regions.

Why Are Businesses in Brazil Switching to VoIP?

Brazilian companies increasingly rely on VoIP to support distributed teams, international clients, and digital customer service channels. According to a Gartner Unified Communications report, businesses that migrate from traditional PBX to cloud telephony reduce communication infrastructure costs by an average of 30-50%. Cloud communication platforms allow businesses to manage inbound and outbound calls, monitor performance through call analytics, and automate workflows without investing in expensive on-premise hardware.

Furthermore, Brazil’s growing startup ecosystem and expanding BPO (Business Process Outsourcing) sector drive demand for scalable, internet-based phone systems. FreJun’s 2025 analysis of 300+ client accounts found that sales teams using cloud VoIP with CRM integration logged 28% more calls per day compared to teams using traditional phone systems. This means businesses choosing the right VoIP provider gain a measurable competitive advantage in outreach and customer engagement.

How Do the Top 15 VoIP Providers in Brazil Compare?

The following comparison table covers the 15 best VoIP providers in Brazil, ranked by suitability for international calling, pricing transparency, and G2 ratings. Use this to shortlist providers before reading the detailed breakdowns below.

ProviderBest ForStarting PriceG2 RatingKey Features
FreJunSales teams, call centers$14.49/user/mo4.9/5 ⭐AI insights, auto-dialer, CRM integration
VivoLarge Brazilian enterprisesContact for pricingNot ratedNational coverage, reliability, enterprise SLAs
ClaroBusinesses needing fast connectivityContact for pricingNot ratedFast internet, international calls, reliability
OiSMEs on a budgetContact for pricingNot ratedCustomizable packages, cost-effective plans
TIMInternational business callsContact for pricingNot ratedReliable, high-quality international calls
NextelBusiness-focused featuresContact for pricingNot ratedCall forwarding, automated attendant
VonexGlobal network reachContact for pricingNot ratedUser-friendly interface, top-quality audio
VonageGlobal operations, 76+ countriesContact for pricing4.3/5 ⭐99.99% uptime, AI receptionist, 50 lines
PortaOneScalable global expansionContact for pricingNot ratedScalable VoIP platform, adaptable architecture
RingCentralEnterprise UCaaSFrom $19.99/user/mo4.5/5 ⭐Video conferencing, team messaging, global
MitelMid-market businessesContact for pricingNot ratedFlexible packages, high performance
AircallApp-first teams, fast setupFrom $30/user/mo4.3/5 ⭐App-based VoIP, rapid deployment
8×8Global enterprise callingFrom $15/user/mo4.1/5 ⭐Innovative solutions, international quality
GrasshopperSMEs, freelancersFrom $14/month4.0/5 ⭐Affordable, easy national and international calls
Algar TelecomBrazilian businesses, SIP trunkingContact for pricingNot ratedSIP trunking, hosted PBX, unified communications

1. FreJun

FreJun VoIP dashboard showing call analytics for Brazil international calling

FreJun cloud telephony platform interface for business VoIP calls

FreJun is the leading cloud-based VoIP provider for sales and support teams operating in Brazil and internationally. It features virtual numbers, auto-dialers, call recording, click-to-call, AI insights, and seamless integrations with CRM and ATS platforms like HubSpot, Zoho, Pipedrive, and Google Calendar. Brazilian businesses benefit from FreJun’s capabilities to manage inbound and outbound calls efficiently, using call routing, voice broadcasting, and detailed analytics to enhance productivity and streamline communication processes.

FreJun business communication features including auto-dialer and CRM integration

Key features: Virtual Numbers, Auto-dialer, Click-to-Call, Call Recording and Transcription, CRM/ATS Integration, AI Insights, Call Routing, Voice Broadcast, Reports and Analytics.

Pricing: Standard: Begins at $14.49 per user, per month. Professional: Starts at $16.69 per user, per month.

G2 Rating: 4.9 out of 5

Take A Demo or Sign Up Today

VoIP services comparison flowchart for Brazil international calling providers

2. Vivo

Vivo Telefonica VoIP enterprise solutions for Brazilian businesses

Vivo, a brand under Telefônica, offers enterprise-grade VoIP solutions for businesses of all scales across Brazil. Their services emphasize quality connections and reliability, providing a seamless communication experience for both Brazil-based and international businesses. Additionally, Vivo’s nationwide infrastructure gives it an advantage for companies that need consistent call quality across multiple Brazilian states. Their commitment to reliability has earned them recognition as one of the leading telecom providers in the country.

Key features: Quality Connections and Reliability, Seamless Communication, Diverse Solutions, National Infrastructure Coverage.

Pricing: Contact the Vivo team for pricing details.

G2 Rating: Not rated

3. Claro

Claro Brazil VoIP provider offering fast internet and international calling

Claro, one of the largest VoIP providers in Brazil, delivers top-tier VoIP services that serve a wide variety of businesses. Known for its fast internet connectivity, Claro ensures clear and uninterrupted international calls. Their services address the diverse needs of businesses, ensuring that communication never becomes a barrier to growth. Furthermore, Claro’s investment in fiber infrastructure across major Brazilian cities makes it a strong choice for businesses that require low-latency VoIP performance.

Key features: Fast internet connectivity, International calls, Quality and reliability, Fiber infrastructure.

Pricing: Contact the Claro team for pricing details.

G2 Rating: Not rated

4. Oi

Oi telecom Brazil cost-effective VoIP solutions for SMEs

Oi is a leading Brazilian telecommunications company known for its cost-effective VoIP solutions. They provide a range of customizable packages, making them an excellent choice for SMEs operating on a budget. Oi’s focus on affordability without compromising call quality has made it a preferred option for businesses that handle moderate international call volumes. However, larger enterprises with complex routing needs may find Oi’s feature set less advanced than global cloud providers.

Key features: Cost-effective VoIP solutions, Customizable packages, International calling, Affordability focus.

Pricing: Contact the Oi team for pricing details.

G2 Rating: Not rated

5. TIM

TIM Brazil VoIP services for reliable international business calls

TIM provides reliable VoIP services backed by advanced network technology. Their commitment to optimal call quality and consistency makes them a top choice for businesses seeking an efficient way to connect with international clients or partners. TIM’s services ensure seamless communication, making them a reliable partner for businesses operating in the global arena. Similarly, TIM’s 4G and 5G network investments strengthen VoIP call stability across Brazil’s major metropolitan areas.

Key features: Reliable network, High-quality calls, International focus, Seamless communication.

Pricing: Contact the TIM team for pricing details.

G2 Rating: Not rated

6. Nextel

Nextel Brazil business VoIP with call forwarding and automated attendant

Nextel stands out with specialized VoIP services built for businesses. Along with high-quality international calls, they offer added features like call forwarding, automated attendant, and more, ensuring an enhanced communication experience. Nextel’s focus on providing business-specific communication tools has made it a preferred choice for companies that need more than basic international calling. That said, Nextel’s market presence in Brazil has shifted in recent years, so verifying current service availability in your region is recommended.

Key features: High-quality international calls, Business-focused features, Call forwarding, Automated attendant.

Pricing: Contact the Nextel team for pricing details.

G2 Rating: Not rated

7. Vonex

Vonex VoIP platform with user-friendly interface for global business calls

Vonex provides businesses with a seamless platform to reach international networks. Their user-friendly interfaces and top-quality audio make them a popular choice for companies operating in Brazil. Vonex’s focus on delivering a smooth communication experience positions it well for businesses that prioritize ease of use alongside global reach. For example, teams that need to onboard new agents quickly benefit from Vonex’s straightforward setup process and intuitive call management dashboard.

Key features: VoIP Services, Global Reach, User-Friendly Interfaces, Top-Quality Audio, Seamless Communication.

Pricing: Contact the Vonex team for pricing details.

G2 Rating: Not rated

8. Vonage

Vonage VoIP platform with 99.99% uptime and local numbers in 76 countries

Vonage offers enterprise-grade automation, a customizable admin portal, and detailed call analytics to streamline business communications. It supports up to 50 lines, has flexible pricing, and guarantees 99.99% uptime. With access to local numbers in 76 countries and advanced call management features like AI receptionist and call forwarding, Vonage serves both small and large businesses with global operations. As a result, companies expanding from Brazil into North American or European markets find Vonage’s multi-country number provisioning particularly valuable.

Key features: Automation, Customizable Admin Portal, Scalability, 99.99% Uptime, Global Reach, Advanced Call Management.

Pricing: Contact the Vonage team for pricing details.

G2 Rating: 4.3 out of 5

9. PortaOne

PortaOne scalable VoIP platform for global business expansion from Brazil

PortaOne is a globally recognized VoIP platform known in Brazil for its superior scalability. Their strength lies in adaptability, offering a solution that grows with your business, making them ideal for companies with aggressive global expansion plans. PortaOne’s architecture supports telecom operators and enterprises that need to provision thousands of lines without rebuilding their infrastructure. In contrast to consumer-focused apps, PortaOne targets carriers and large enterprises that require white-label VoIP capabilities.

Key features: Scalability, Global Reach, Adaptability, Superior VoIP Services, Reliability.

Pricing: Contact the PortaOne team for pricing details.

G2 Rating: Not rated

10. RingCentral

RingCentral UCaaS platform with VoIP calling video conferencing and team messaging

RingCentral brings a full UCaaS (Unified Communications as a Service) package to the table. It features high-quality VoIP calling for international connections, alongside video conferencing and team messaging. RingCentral’s platform suits enterprises that want to consolidate voice, video, and messaging into a single cloud system. Moreover, RingCentral’s open API allows developers to build custom integrations with existing business tools, making it a strong choice for technically sophisticated teams.

Key features: High-Quality VoIP Calling, Video Conferencing, Team Messaging, Scalability, Reliability, Security, Open API.

Pricing: From $19.99/user/month (Core plan).

G2 Rating: 4.5 out of 5

11. Mitel

Mitel VoIP system for mid-market businesses with flexible communication packages

Mitel’s VoIP services rank high in performance and call quality. Their packages are flexible, serving businesses of all sizes and providing a solution for international calling in Brazil. Mitel’s focus on high-performance communication has made it a preferred choice for businesses that require reliable international calling without the complexity of enterprise-tier platforms. However, businesses seeking deep AI-powered analytics should compare Mitel against cloud-native alternatives before committing.

Key features: High Performance and Quality, Flexibility, Scalability, Reliability.

Pricing: Contact the Mitel team for pricing details.

G2 Rating: Not available

12. Aircall

Aircall app-based VoIP service with rapid setup for business teams

Aircall’s strength lies in its app-based VoIP service that quickly adapts to any business’s needs. With a lean and efficient setup process, Aircall serves as the go-to solution for businesses that need a rapid VoIP deployment. Their platform integrates with over 100 business tools including Salesforce, HubSpot, and Intercom. For example, a customer support team can activate Aircall, connect it to their CRM, and begin taking calls within hours rather than days.

Key features: App-Based VoIP Service, Rapid Setup, Adaptability, 100+ Integrations, Efficiency.

Pricing: From $30/user/month (Essentials plan).

G2 Rating: 4.3 out of 5

13. 8×8

8x8 global VoIP provider with innovative solutions for international business calling

8×8 is a globally recognized brand offering top-tier VoIP services with a strong track record in international calling quality. Their platform combines voice, video, chat, and contact center capabilities into a single cloud solution. 8×8’s commitment to innovation has earned them recognition as a reliable VoIP provider for businesses operating in Brazil and beyond. Additionally, 8×8’s unlimited calling plans to 48 countries make them particularly attractive for businesses with high international call volumes.

Key features: Globally Recognized Platform, Innovative Solutions, International Calling Quality, Reliability, Unlimited Calling Plans.

Pricing: From $15/user/month.

G2 Rating: 4.1 out of 5

14. Grasshopper

Grasshopper VoIP affordable plans for SMEs and freelancers making international calls

Grasshopper combines affordability and quality in their VoIP services. Their systems are easy to use for both national and international calls, making them a popular choice among SMEs and freelancers. Grasshopper’s focus on providing accessible communication tools has made them a preferred option for small businesses that need a professional phone presence without enterprise-level complexity. That said, Grasshopper lacks the advanced CRM integrations and AI analytics that growing sales teams typically require.

Key features: Affordability, Quality, Ease of Use, National and International Calling, SME-Friendly.

Pricing: From $14/month (Solo plan).

G2 Rating: 4.0 out of 5

15. Algar Telecom

Algar Telecom Brazil VoIP with SIP trunking hosted PBX and unified communications

Algar Telecom is one of the significant VoIP providers in Brazil, offering solutions primarily aimed at businesses. Their VoIP services include SIP trunking, hosted PBX, and unified communications, serving various business sizes. SIP trunking (Session Initiation Protocol trunking) allows businesses to connect their existing PBX systems to the internet, eliminating the need for traditional phone lines. Algar Telecom’s solutions enhance communication efficiency with features like virtual phone numbers and call management tools, and their regional focus on central and southeastern Brazil gives them strong local support capabilities.

Key features: SIP Trunking, Hosted PBX, Unified Communications, Virtual Phone Numbers, Reliability, Scalability.

Pricing: Contact the Algar Telecom team for pricing details.

G2 Rating: Not rated

Who Benefits the Most from FreJun as a VoIP Provider in Brazil?

FreJun serves a wide range of business types operating in Brazil and internationally. The following table identifies which teams gain the most value from FreJun’s specific feature set.

User TypeWhy Choose FreJun?
Small BusinessesAffordable international calling starting at $14.49/user/month with built-in CRM integration
Call CentersAI-powered auto-dialer, call recording, and real-time analytics reduce agent idle time
FreelancersLow-cost international calls with virtual numbers and no hardware required
Remote TeamsHigh-quality VoIP calls accessible from any device with global number support
Sales TeamsClick-to-call from CRM, call transcription, and AI insights accelerate deal cycles

How Should You Choose the Right VoIP Provider in Brazil?

Selecting the right VoIP provider in Brazil depends on four key factors: call volume, CRM stack compatibility, international destination coverage, and budget. First, identify whether your team primarily handles inbound support calls or outbound sales campaigns, as this determines whether you need an auto-dialer or an IVR (Interactive Voice Response) system. Next, verify that the provider integrates with your existing CRM, whether that is HubSpot, Salesforce, Zoho, or Pipedrive.

Additionally, confirm that the provider holds the necessary authorizations under ANATEL regulations, which govern all telecommunications services in Brazil. According to the ITU’s 2024 Digital Development Report, Brazil ranks among the top 10 countries globally for internet penetration growth, meaning VoIP infrastructure quality continues to improve year over year. This means businesses choosing cloud telephony today position themselves ahead of competitors still relying on traditional PSTN lines.

Key Selection Criteria for VoIP Providers in Brazil

  • ANATEL Compliance: Verify the provider operates within Brazilian telecom regulations
  • International Coverage: Confirm the provider supports your target calling destinations
  • CRM Integration: Ensure compatibility with HubSpot, Salesforce, Zoho, or Pipedrive
  • Call Quality SLA: Look for providers offering 99.9%+ uptime guarantees
  • Pricing Transparency: Prefer providers with published per-user monthly rates
  • Virtual Brazilian Numbers: Essential for establishing local presence with international clients

FreJun addresses all six criteria, making it the strongest choice among VoIP providers in Brazil for sales-driven organizations. With plans starting at $14.49/user/month, AI-powered call insights, and native integrations with leading CRM platforms, FreJun enables Brazilian businesses to scale international communication without increasing headcount. Explore FreJun’s AI call analytics to see how your team can improve call outcomes from day one.

Further Reading

Top 15 VoIP Providers in Japan for International Calling

Frequently Asked Questions About VoIP Providers in Brazil

1. What is VoIP and how is it used in Brazil?

VoIP (Voice over Internet Protocol) transmits voice calls over the internet rather than traditional phone lines. Brazilian businesses use VoIP to reduce international calling costs, support remote teams, and integrate voice communication with CRM platforms. FreJun delivers a smooth and affordable VoIP experience in Brazil for both international and local calls, with plans starting at $14.49/user/month and no hardware required.

2. Is it legal to use VoIP services in Brazil?

Yes, VoIP is fully legal in Brazil and widely used for business and personal communication. ANATEL, Brazil’s National Telecommunications Agency, regulates VoIP services under the country’s General Telecommunications Law. FreJun operates within Brazil’s telecom regulations while ensuring reliable, high-quality service. Businesses should verify that their chosen provider holds the appropriate ANATEL authorizations before deploying a cloud phone system.

3. Are international VoIP calls cheaper than traditional calling methods?

Yes, VoIP is significantly more cost-effective than traditional PSTN calling, especially for international routes. Businesses that migrate to cloud telephony typically reduce communication costs by 30-50% (Source: Gartner Unified Communications). FreJun offers competitive international call rates without compromising audio quality, making it particularly valuable for sales teams and call centers handling high outbound call volumes to international destinations.

4. What equipment do I need to use VoIP in Brazil?

You only need a device with a stable internet connection — no special hardware is required. FreJun works on smartphones, laptops, and desktops through a browser or mobile app. For teams that prefer physical handsets, SIP-compatible desk phones also work with most cloud VoIP platforms. A minimum internet speed of 1 Mbps per concurrent call is recommended for consistent call quality.

5. Can small businesses in Brazil benefit from VoIP?

Absolutely. VoIP offers scalability and cost-efficiency that directly benefit small businesses. FreJun provides features like call analytics, number masking, and CRM integrations starting at $14.49/user/month, enabling small teams to operate with the same communication capabilities as large enterprises. Additionally, virtual Brazilian numbers allow small businesses to establish a local presence without maintaining a physical office in Brazil.

6. Is it possible to get a Brazilian virtual number with VoIP?

Yes, many VoIP providers offer local Brazilian DID (Direct Inward Dialing) numbers that allow customers to call your business at local rates. FreJun allows users to set up Brazilian virtual numbers to establish a local presence, improving answer rates from Brazilian contacts. Virtual numbers also enable international companies to appear local to Brazilian customers without maintaining a physical office in the country.

7. How secure are VoIP calls in Brazil?

Most enterprise VoIP providers use TLS (Transport Layer Security) and SRTP (Secure Real-time Transport Protocol) encryption to protect call data in transit. FreJun ensures conversations remain private and protected through advanced encryption protocols. Businesses handling sensitive customer data should verify that their VoIP provider complies with Brazil’s LGPD (Lei Geral de Proteção de Dados), the country’s data protection law equivalent to GDPR.

8. Is VoIP cheaper than traditional phone services in Brazil?

VoIP is typically significantly cheaper than traditional phone services, especially for international calls and high-volume business communication. Traditional PSTN calls in Brazil carry per-minute charges that accumulate quickly for businesses with international operations. VoIP eliminates most of these charges by routing calls over the internet, and providers like FreJun bundle unlimited features such as call recording, analytics, and CRM integration into flat monthly per-user pricing.

9. Can I get a Brazilian virtual phone number from outside Brazil?

Yes, many VoIP providers offer local Brazilian DID numbers that allow customers to call your business at local rates, even if your team operates from another country. This is particularly valuable for international companies entering the Brazilian market. FreJun and providers like Vonage support Brazilian number provisioning for teams based in the US, Europe, or Asia, enabling seamless local presence without physical infrastructure in Brazil.