If you’re living or running a business in Denmark, you’ve probably noticed how communication has shifted from traditional landlines to smart, cloud-based systems. Whether you’re a startup in Copenhagen, a freelancer in Aarhus, or an IT firm in Odense, staying connected efficiently is crucial.
That’s where VoIP (Voice over Internet Protocol) steps in — offering modern, internet-powered communication that’s cheaper, scalable, and smarter than conventional phone systems.
This guide covers everything you need to know about VoIP calling apps in Denmark — how they work, their benefits, the best apps available, pricing, and which ones fit your business or personal use.
What is a VoIP Calling App?
A VoIP calling app allows you to make and receive phone calls over the internet using your laptop, smartphone, or IP phone — instead of relying on traditional telephone lines.
VoIP converts your voice into digital packets and sends them through a broadband or mobile data connection. You can call landlines, mobiles, or other VoIP users from anywhere in the world.
In Denmark, VoIP is widely used by both businesses and individuals, thanks to fast internet, affordable plans, and reliable 5G coverage.
How Does VoIP Work in Denmark?
Here’s how VoIP technology works in simple terms:
- You speak into your microphone or headset.
- Your voice is turned into data packets.
- These packets travel securely through the internet.
- The recipient’s device reassembles the data back into sound.
With Denmark’s high-speed internet infrastructure and nationwide fiber rollout, VoIP call quality is crystal-clear with minimal latency.
Regulations & Compliance
- VoIP is fully legal in Denmark and regulated under The Danish Business Authority (Erhvervsstyrelsen).
- Providers offering Danish (+45) numbers must meet EU telecom and GDPR data protection standards.
- Using GDPR-compliant providers ensures your communication data remains secure.
Why Businesses in Denmark Are Moving to VoIP
From tech startups in Copenhagen to consulting firms in Aarhus, Danish businesses are embracing VoIP for its flexibility, innovation, and cost-effectiveness.
Here’s why:
- Cost savings up to 70% compared to landline systems
- Seamless remote work — employees can call from anywhere
- HD voice quality and video conferencing
- Integration with CRMs like HubSpot or Salesforce
- Scalability — easily add or remove users as your business grows
A 2024 report by Statista revealed that 68% of Danish SMEs use or plan to use VoIP technology in the next two years, primarily for remote collaboration and global expansion.
Top 10 Best VoIP Calling Apps in Denmark (2025)
1. RingCentral
Best for: Complete business communication
Features:
- Unlimited calls to 100+ countries
- HD voice and video
- Team messaging and file sharing
- CRM integration
Pricing: From €22 per user/month
Why it works in Denmark: Ideal for companies needing a single app for calls, meetings, and messages.
2. Zoom Phone
Best for: Companies already using Zoom
Features:
- Danish phone numbers (+45)
- HD audio and video
- Call recording and transcription
Pricing: From €16 per user/month
Case Example:
A Copenhagen design agency replaced its legacy PBX system with Zoom Phone and cut monthly telecom costs by 50%.
3. 8×8 X-Series
Best for: International and remote teams
Features:
- Unlimited international calls
- AI-powered analytics
- Call monitoring and recording
Pricing: From €25 per user/month
4. Aircall
Best for: Customer support and sales teams
Features:
- Danish virtual numbers
- Real-time analytics
- Integrations with HubSpot, Pipedrive, and Shopify
Pricing: From €38 per user/month
Example:
A startup in Aarhus used Aircall to handle 10,000+ monthly calls with zero missed inquiries.
5. NFON Cloudya
Best for: GDPR-compliant business communication
Features:
- EU-based data centers
- Mobile and desktop apps
- Cloud PBX
Pricing: From €20 per user/month
6. Microsoft Teams Phone
Best for: Microsoft 365 organizations
Features:
- Full PSTN calling
- Meeting and email integration
- Multi-device support
Pricing: From €18 per user/month
7. GoTo Connect
Best for: Small and medium businesses
Features:
- Cloud-based phone and video
- Drag-and-drop call routing
- Integrations with Google Workspace
Pricing: From €21 per user/month
8. Vonage Business Cloud
Best for: Multi-location companies
Features:
- HD voice calls
- APIs for developers
- Global virtual numbers
Pricing: From €24 per user/month
9. Zoiper
Best for: Freelancers and remote workers
Features:
- Free and paid versions
- Supports SIP and IAX accounts
- End-to-end encryption
Pricing: Free / €14 for pro
10. MyNetFone Denmark
Best for: Local Danish users
Features:
- Local +45 number support
- Affordable local calling rates
- 24/7 Danish language support
Pricing: From €19 per user/month
Comparison Table
| App | Ideal For | Price/Month (€) | GDPR Compliant | Rating |
|---|---|---|---|---|
| RingCentral | All-in-one solution | 22 | Yes | ⭐⭐⭐⭐⭐ |
| Zoom Phone | Zoom users | 16 | Yes | ⭐⭐⭐⭐ |
| 8×8 X-Series | Global teams | 25 | Yes | ⭐⭐⭐⭐ |
| Aircall | Sales & support | 38 | Yes | ⭐⭐⭐⭐ |
| NFON | SMEs | 20 | Yes | ⭐⭐⭐⭐ |
| Teams Phone | Microsoft users | 18 | Yes | ⭐⭐⭐⭐ |
| GoTo Connect | SMBs | 21 | Yes | ⭐⭐⭐⭐ |
| Vonage | Multi-location | 24 | Yes | ⭐⭐⭐⭐ |
| Zoiper | Freelancers | 14 | Partial | ⭐⭐⭐ |
| MyNetFone | Local users | 19 | Yes | ⭐⭐⭐⭐ |
Checklist: How to Choose the Right VoIP App in Denmark
- Check your internet connection (minimum 10 Mbps recommended)
- Identify how many users or lines you need
- Compare international calling rates
- Verify Danish number (+45) availability
- Review GDPR and EU data storage compliance
- Evaluate call recording and analytics needs
- Try free trials before committing
- Consider customer support availability in Denmark
Benefits of Using VoIP in Denmark
- Up to 70% cost savings vs. landline
- HD-quality calls with minimal lag
- Scalability for startups and enterprises
- Seamless remote and hybrid work integration
- Unified communication: voice, video, and chat in one
Common Mistakes to Avoid
- Choosing a provider without EU-based data storage
- Ignoring internet bandwidth requirements
- Paying for unused features
- Failing to secure devices with strong passwords
Case Study: Copenhagen SaaS Firm Saves 62%
A tech startup in Copenhagen switched from analog PBX to RingCentral. Within 6 months:
- Call costs dropped by 62%
- Team collaboration improved
- They expanded to Sweden and Germany with local virtual numbers
Conclusion
Choosing the best VoIP calling app in Denmark depends on your specific needs:
- Small teams: Zoom Phone or NFON
- Large businesses: RingCentral or 8×8
- Freelancers: Zoiper or MyNetFone
VoIP is the future of communication in Denmark — cost-effective, efficient, and perfectly suited to the country’s digital-first business culture.
FAQs: Best VoIP Calling App Denmark
1. Is VoIP legal in Denmark?
Yes, VoIP is legal and regulated under the Danish Business Authority.
2. Can I get a Danish number (+45)?
Yes, most providers offer local number portability and new number options.
3. Does VoIP work with mobile data?
Yes, with 4G or 5G, call quality remains excellent.
4. Is VoIP cheaper than traditional phones?
Absolutely — savings can range between 50–70%.
5. Which app is best for remote teams?
RingCentral, Aircall, or 8×8 are top picks for remote and hybrid teams.
