Best VoIP Phone Service Providers for International Calling in 2025

We all have experienced the feeling of how reaching out to friends across the country can sometimes feel like an uphill challenge. 

Thankfully, with improved ways of communication, it has become an easy way out. Unlike conventional ways of operation, using VoIP for your communication opens up a whole new world of features that help make your connections more reliable and enjoyable.

VoIP is a revolutionary technology that has enabled voice and video calls over the net. Be it reaching your family overseas or maintaining a business with clients all over the world, VoIP is a modern, more efficient solution that does not have to tear your pockets apart.

Let’s explore some of the best VoIP providers for international calling in 2025.

What is VoIP, and Why is it Ideal for International Calling?

VoIP, or Voice over Internet Protocol, allows making voice and video calls using the Internet instead of traditional phone lines. It converts your voice into digital signals to allow global communication at a cost much lower than a regular international call.

Whether it is connecting with family or business, VoIP offers ease, economy, and feature-richness. Traditional phone services charge hugely for international calls, whereas these are simple costs that can be cut by making use of the Internet. Most of the providers provide unlimited plans or lower per-minute rates for a few chosen countries.

Besides, VoIP numbers can be set to appear locally in many regions, which helps an enterprise establish a presence locally while its operations are all managed from one point. That’s what makes these services so fit for international calls.

Benefits of Using VoIP for International Calls

VoIP technology offers advantages for international calls, both personal and business. Just by utilizing the internet, it is able to provide high-quality, affordable and flexible communication solutions that easily outshine traditional phone systems. Let’s explore the benefits of using VoIP for international communication.

1. Significant Cost Savings

The most appealing feature of VoIP services is that they help you cut some costs as they generally provide low-cost calling plans in comparison with traditional phone services. With options like unlimited calling packages and pay-as-you-go plans, users can significantly lower their phone expenses while maintaining connections across borders.

2. High-quality voice and Video

This technology has made sure that you dont have to leave a connection due to a crackly call. You can now get crystal-clear audio and high-definition video quality as long as you have a stable internet connection with almost all VoIP providers. So, you better start using VoIP phones if you want a dependable communication system.

3. Global Accessibility

Whether you’re on a work trip, studying overseas, or coordinating with a global team, all you need is an internet connection to remain connected. This technology also supports calling and messaging, allowing seamless communication across borders.

4. Advanced Features for Seamless Communication

VoIP offers more than voice calls, including video conferencing, voicemail-to-email transcription, call forwarding, and CRM and project management software integration. These features are valuable for businesses with international teams or clients, streamlining communication and improving efficiency.

5. Flexibility and Scalability

VoIP serves individual users and growing businesses. Easily add numbers, upgrade plans, or adjust services as needed. This flexibility makes VoIP a cost-effective choice for any communication needs.

6. Easy Setup and Maintenance

Unlike traditional phone systems that require complex hardware and regular maintenance, VoIP operates through software-based platforms. Setting up VoIP is quick and straightforward, and providers typically handle updates and maintenance, ensuring a hassle-free experience.

Key Factors to Consider When Choosing a VoIP Provider

How to choose a VoIP among so many companies is not an easy riddle to figure out, but you should look out for the following major qualities.

Call Rates

VoIP is cost-effective, especially for international calls, but rates differ among providers. Choose one with competitive pricing for your frequently called countries. Many services offer unlimited international plans or discounts for specific regions. Carefully evaluate their pricing to avoid hidden fees and get the best value.

Call Quality

Great call quality hinges on factors like latency, jitter, and packet loss. It’s crucial to choose a provider that delivers clear, consistent calls. After all, call quality is key for smooth communication, and nobody enjoys annoying call drops that disrupt productivity. When looking for a provider, prioritize those offering HD voice and video, advanced codecs, and reliable network infrastructure.

Ease of Use

Top providers deliver user-friendly apps and dashboards that simplify contact management, feature access, and issue troubleshooting. Ease of use and convenience should be a paramount priority, whether you’re using a desktop, smartphone, or IP phone.

Reliability Features

You should check for providers with high uptime guarantees (ideally 99.9% or higher) and robust technical support. Look for reviews and testimonials to gauge their reliability in real-world scenarios. Additionally, providers that offer features like failover systems can ensure uninterrupted service during internet outages.

Compatibility

The most important thing to consider while choosing a VoIP provider is that it should work easily with your existing devices and systems. It should not matter if you’re using smartphones, desktops, or IP phones. Make sure that the provider supports your preferred hardware and operating systems. Compatibility with tools like Dialaxy, Microsoft Teams, Slack, or Salesforce can be a valuable asset for businesses.

Scalability

If you’re planning to expand your usage or grow your business, scalability is essential. Choose a provider that allows you to easily add new users, lines, or features as your needs evolve. Scalable plans ensure you can adjust your service without incurring unnecessary costs or facing technical limitations.

Security

Our communications may contain sensitive information, so secure communication technology is essential to prevent data loss. Choosing providers that offer encryption, like TLS and SRTP, ensures security from unauthorized access. Businesses should often ask, “Is VoIP secure?” and reliable providers prioritize advanced security measures to protect their phone data.

Top VoIP Phone Service Providers for International Calling in 2025

Finding the right VoIP provider can make a world of difference in your international communication experience. Here’s a list of some of the top VoIP phone service providers in 2025, along with what makes each stand out.

1. Dialaxy

Overview: Dialaxy is an emerging player in the VoIP industry, providing reliable and cost-effective communication solutions for startups and small to medium-sized businesses.

Key Features: High-quality voice calls, customizable calling plans, call analytics and reporting, virtual numbers, and seamless integration with tools like Google Workspace and Slack.

Pros: Affordable pricing, user-friendly interface, and flexibility for businesses to scale as they grow.

Cons: Limited advanced features for enterprise-level requirements and fewer third-party integrations compared to larger providers.

Best For: Startups and small businesses seeking a budget-friendly and intuitive VoIP solution.

2. RingCentral

Overview: A leader in the VoIP industry, RingCentral offers comprehensive communication solutions tailored to businesses of all sizes.

Key Features: HD voice and video calling, unlimited international calling plans, team messaging, and integration with popular productivity tools like Microsoft Teams and Salesforce.

Pros: Excellent call quality, robust reliability, and scalable plans for small and large businesses.

Cons: Pricing may be higher compared to other providers for small-scale usage.

Best For: Businesses needing an all-in-one communication platform.

3. Vonage

Overview: Known for its flexibility and ease of use, Vonage caters to both personal and business VoIP needs.

Key Features: Affordable international calling rates, call forwarding, voicemail-to-email transcription, and CRM integration.

Pros: Simple setup, excellent customer support, and versatile pricing plans.

Cons: Limited advanced features for enterprise-level businesses.

Best For: Small businesses and individuals looking for cost-effective solutions.

4. Skype for Business (Microsoft Teams)

Overview: A well-established name in VoIP, Microsoft Teams offers integrated VoIP calling for professional and personal use.

Key Features: Free VoIP calling between users, paid plans for international calling, video conferencing, and seamless integration with Office 365.

Pros: Familiar interface, strong security, and excellent for collaboration.

Cons: Some advanced calling features may require additional subscriptions.

Best For: Businesses already using Microsoft’s ecosystem and individuals making personal calls.

5. 8×8

Overview: 8×8 specializes in VoIP services with a global reach and affordable international calling plans.

Key Features: Unlimited calling to over 48 countries, video conferencing, analytics, and contact center solutions.

Pros: Competitive pricing, excellent call quality, and strong global coverage.

Cons: Limited customization options for small businesses.

Best For: Businesses with a global presence needing affordable international communication.

6. Zoom Phone

Overview: An extension of the popular video conferencing platform, Zoom Phone offers VoIP services for both personal and business use.

Key Features: Seamless video and voice integration, global phone numbers, and advanced call routing.

Pros: Easy to use, scalable for businesses, and excellent for video-centric communication.

Cons: It focused more on video, so voice-only users may find fewer features.

Best For: Teams prioritizing video and voice integration for international communication.

7. Grasshopper

Overview: Grasshopper is designed for small businesses and entrepreneurs looking for a professional VoIP solution.

Key Features: Local and toll-free numbers, call forwarding, voicemail transcription, and virtual fax.

Pros: Affordable pricing, simple setup, and excellent for startups.

Cons: Limited features for larger businesses.

Best For: Small businesses and startups needing affordable VoIP services.

8. Ooma

Overview: Ooma provides reliable VoIP services for both personal and business use, with a focus on simplicity and affordability.

Key Features: Unlimited calling plans, virtual receptionist, and integration with smart home devices.

Pros: Excellent call quality, affordable international rates, and easy setup.

Cons: Fewer features compared to enterprise-focused providers.

Best For: Home users and small businesses prioritizing affordability and simplicity.

Comparison between different service providers

Selecting the right provider depends on your specific requirements, such as cost-effectiveness, scalability, or sophisticated features. Take the time to assess your choices, try out their services if you can, and discover the ideal VoIP provider to improve your international calling experience. Study the table below to see your best VoIP options.

How to Get a VoIP Phone Number?

Follow these steps to get yourself one of the above-mentioned VoIP numbers.Step 1: Go to the official website of whichever VoIP number you want to have and navigate to their VoIP service section.

Step 2: Click on the “Sign Up” or “Get Started” button and enter your personal or business details that the service provider asks for.

Step 3: Browse the available plans and select the one that suits your needs. Pay-as-you-go plans and unlimited calling plans are some of the options.

Step 4: Pick the type of number you need: local, toll-free, or international. You can also port an existing number to your voip provider if applicable.

Step 5: Once you select the number, you can complete your account setup by verifying your details and payment method.

Step 6: For mobile or desktop usage, download your provider’s app from the App Store, Google Play, or their official website.

Step 7: Use their app to link your number to devices like smartphones, laptops, or IP phones. For proper and easy configuration, follow their setup guide.

Step 8: Make a test call to check for call quality and connectivity to confirm all features as promised by the providers.

Step 9: Once the setup is complete and tested, begin using your VoIP number for personal or business communication.

Choosing a suitable VoIP provider according to your needs is not that difficult if you can just go through the above blog once. It has transformed international communication by offering an unmatched blend of affordability, functionality, and convenience.

By leveraging the Internet, VoIP significantly reduces costs while providing a range of features that enhance communication, making it more accessible and beneficial for individuals and businesses alike. With various needs and numerous providers available, the right VoIP service ensures you stay connected with the world without breaking the bank.

Whether it’s reconnecting with family overseas or expanding your business reach, VoIP is the future of international calling, bringing the world closer together, one call at a time.

FAQs

What is the best VoIP service for international calls?

The best VoIP service for international calls depends on your specific needs, such as call quality, cost, and features. Some of the top providers are already described in the blog above.

How does VoIP save money for international calling?

Businesses can save on international calls by using VoIP systems with features like virtual numbers, conferencing, and team messaging, all included in a single subscription.

Can I use VoIP without an internet connection?

No, the Internet connection is mandatory as it works by transmitting voice data over the Internet. If reliable internet is the issue, you can choose alternatives such as Mobile Data Networks, VoIP-Compatible SIM Cards, Offline Messaging, or Callback Features.

Are VoIP calls secure?

VoIP calls are mostly secure, but their security depends on the provider’s features, user practices, and network setup.

What equipment do I need for VoIP?

It is a relatively simple process to set up your VoIP and requires the following simple equipment.

• Internet Connection
• Smartphone, tablet, or computer for VoIP apps
• Dedicated VoIP phone for advanced features like HD audio.
• Headset or Microphone/Speakers.
• Router/Modem

Which VoIP provider is the best for international calls?

Dialaxy is one of the best VoIP providers for international calls and is an excellent choice for both personal and business international communication needs.

Can you use VoIP for international calls?

Yes, VoIP can be used for international calls. It routes calls over the Internet, offering lower rates and high-quality connections for international communication. Many providers also offer competitive pricing for calls to various countries, and some even include unlimited international calling plans.

What is the free VoIP service for international calls?

Several free VoIP services like Dialaxy, Skype, and Google Voice offer international calls using the internet, making them a cost-effective option for global communication. These services allow users to make calls over Wi-Fi or mobile data without additional charges.

How do I use VoIP for international calls?

To use VoIP for international calls, download a VoIP app like Dialaxy, Skype, WhatsApp, or Google Voice and connect to the internet via Wi-Fi or mobile data. Simply enter the recipient’s number or username and make the call using the app.