Estonia is a leader in digital innovation in Europe, and its businesses are increasingly adopting VoIP (Voice over Internet Protocol) technology. From startups in Tallinn to established enterprises in Tartu, VoIP is replacing traditional landlines due to cost efficiency, flexibility, and modern features.
In this guide, we’ll explore the best VoIP calling apps in Estonia, explain how VoIP works, compare features, share case studies, and provide actionable advice for businesses and individuals.
What is VoIP and Why It’s Important in Estonia
VoIP allows voice communication over the internet instead of traditional phone lines. Your voice is converted into digital packets, transmitted online, and reassembled as sound at the recipient’s end.
Think of it like sending instant messages but for voice. Estonia’s highly developed broadband and fiber networks make it ideal for high-quality VoIP calls, even internationally.
Top VoIP Calling Apps in Estonia (2025)
Here are the most trusted and widely-used VoIP apps for Estonian businesses.
1. RingCentral
Best for: Medium to large enterprises
Key features:
- Estonian local numbers (+372)
- Cloud-based voice, video, and team messaging
- AI-powered analytics and call transcription
- GDPR and EU-compliant
RingCentral is ideal for companies with offices in Tallinn, Tartu, and Narva, offering enterprise-grade reliability and features.
2. 3CX
Best for: Small and medium-sized businesses
Key features:
- Cloud or on-premise hosting
- Support for Estonian SIP trunks
- Mobile apps for remote teams
- Multilingual interface including Estonian
3CX is popular with SMBs that want flexibility and full control over their VoIP system.
3. Aircall
Best for: Customer support and sales teams
Key features:
- CRM integration with HubSpot, Salesforce, Zendesk
- Browser-based and mobile apps
- Real-time analytics and call monitoring
- GDPR-compliant with EU data centers
Aircall is widely used in Estonia for its simplicity, strong EU presence, and powerful features for call centers.
4. Nextiva
Best for: Remote teams and global businesses
Key features:
- 99.999% uptime
- Unlimited calls within Estonia and Europe
- Desktop and mobile apps
- Detailed reporting and analytics
Nextiva’s reliability and intuitive interface make it ideal for Estonian companies with international operations.
5. Zoom Phone
Best for: Teams using Zoom Meetings
Key features:
- HD voice and video calls
- Integration with Zoom Meetings
- Virtual numbers and extensions
- Global calling plans including Estonia
Zoom Phone is perfect for hybrid teams needing seamless VoIP and video conferencing integration.
Why Estonian Businesses Are Switching to VoIP
1. Cost Savings
VoIP reduces monthly communication costs by up to 70%, especially for international calls compared to traditional landlines.
2. Advanced Features
VoIP offers call recording, analytics, CRM integration, video conferencing, and virtual receptionists — features that landlines cannot provide.
3. Remote Work Flexibility
Employees can make and receive calls anywhere with an internet connection, supporting Estonia’s remote workforce and e-residency initiatives.
4. Easy Scalability
Adding new lines or extensions is simple and does not require physical wiring, allowing businesses to grow efficiently.
How to Choose the Right VoIP App in Estonia
Before choosing a provider, check:
- ✅ Availability of Estonian numbers (+372)
- ✅ GDPR and EU compliance
- ✅ Customer support in Estonian and English
- ✅ Integration with CRM and productivity tools
- ✅ Affordable international call rates
- ✅ Mobile, desktop, and IP phone compatibility
- ✅ Transparent pricing
- ✅ Free trial or demo option
Case Study: Tallinn Startup Saves 65% on Calls
A Tallinn-based software company replaced traditional landlines with Aircall. Within three months:
- 65% reduction in monthly call expenses
- CRM integration with HubSpot for client management
- Faster response to international clients
- GDPR compliance and secure EU data hosting
VoIP enhanced productivity while lowering operational costs.
VoIP vs Landline in Estonia
| Feature | VoIP | Landline |
|---|---|---|
| Setup Cost | Minimal | High |
| Monthly Fees | Low | Medium to high |
| International Calls | Affordable | Expensive |
| Flexibility | Anywhere with internet | Fixed location |
| Features | Voice, video, analytics, CRM | Basic voice only |
| Scalability | Easy | Complex |
VoIP outperforms landlines in flexibility, cost, and features for modern businesses.
Step-by-Step Guide to Setting Up VoIP in Estonia
- Choose a reputable VoIP provider (RingCentral, Aircall, 3CX)
- Register for Estonian numbers (+372)
- Install mobile, desktop, and IP phone apps
- Test call quality on fiber or high-speed broadband
- Configure call routing, voicemail, and extensions
- Integrate with CRM and productivity tools
- Train employees on usage and best practices
- Monitor analytics to optimize performance
Legal and Privacy Considerations
VoIP in Estonia is regulated under EMTA and EU telecom laws. Ensure your provider hosts data in the EU and complies with GDPR regulations.
Common Mistakes to Avoid
- ❌ Using personal VoIP accounts for business
- ❌ Ignoring GDPR or Estonian telecom regulations
- ❌ Not testing call quality
- ❌ Selecting providers only by cost
- ❌ Failing to integrate VoIP with business tools
Future of VoIP in Estonia
With 5G deployment and fiber-optic expansion, VoIP adoption in Estonia is expected to grow. AI-driven call analytics, virtual assistants, and real-time translation features are likely to become standard.
Conclusion
VoIP is revolutionizing business communication in Estonia. From startups in Tallinn to enterprises in Tartu, it offers cost savings, flexibility, and features that traditional landlines cannot match.
Test multiple providers, compare features, and choose the solution that fits your business needs. A reliable VoIP system is essential for modern communication.
FAQs About VoIP Calling Apps in Estonia
Q1. Can I get an Estonian virtual number (+372)?
Yes, most VoIP providers offer local Estonian numbers.
Q2. Is VoIP legal in Estonia?
Yes, VoIP is fully legal and regulated under EMTA and EU telecom laws.
Q3. Can I make international calls with VoIP?
Yes, most providers offer low-cost or unlimited international calls.
Q4. Does VoIP work on mobile devices?
Yes, iOS and Android apps are available for all major providers.
Q5. Which VoIP app is best for small Estonian businesses?
Aircall, 3CX, and RingCentral are top choices due to affordability, features, and reliability.
