CallnFax

Global VoIP & International Virtual
Phone Numbers for Call Centers
Business Digital Nomads

Global Virtual Numbers
Virtual Numbers
Inbound Call Solutions from CallnFax
Global Virtual
Phone Numbers

CallnFax Virtual Offers Phone Services to over 100 countries and 100’s of cities. With Local, Mobile, National, and Toll-Free options, scalability, Flat-Rate numbers, and AI Voice Agents, CallnFax delivers Next-Gen Features!

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Virtual phone numbers let your business receive calls anywhere with internet, no SIM or physical line required.
These numbers give you a local voice in new markets, lower international calling costs, and help you stay reachable
— whether you’re in Toronto or Tokyo

Virtual Phone Numbers from CallnFax
AI Voice Agent from CallnFax

Announcing CallnFax AI Agents

Intelligently Answer your calls, give detailed answers, collect data, and route calls quickly and accurately in a natural sounding voice of your choice!

AI Voice Agents That Answer, Understand, and Route Calls — Automatically

Deliver a professional, human-sounding call experience 24/7. CallnFax AI Agents answer inbound calls, collect caller information, and route conversations intelligently
Without Staff time, errors, or busy signals!

Listen to the CallnFax AI Voice Agent

  • Natural, lifelike voice conversations

  • Seamless VoIP & virtual number integration

  • No missed calls. No long wait times

  • Reduce call wait times

  • Improve caller satisfaction

  • Lower staffing and operational costs

Stop Losing Calls, Leads, and Customers After Hours

CallnFax AI Voice Agents answer inbound calls instantly, understanding natural speech, and responding like a trained receptionist — any time of day. Sales, support, billing, or information managed RIGHT!

Custom Phone Agent

Build your custom AI Agent to answer calls, give detailed replies to questions, collect information, and connect callers to the right department. Automatically, and in 32 languages.

How Do CallnFax AI Agents Answer & Engage Callers?

Imagine building your custom AI Agent that answers your calls, gives very detailed answers about your company, its products, services, and people. All customized as per your needs.

What Flexibility Do CallnFax AI Agents Offer?

Your AI Agent speaks in the languages you choose, and in your voice or a natural AI voice. Your AI Agent can answer phones, make your website talk, act as a Chat Bot, make emails talk, andmuch more...

Sample Pricing

CallnFax quotes prices upfront, and our services are backed up by reliability since 2008!

Why Choose CallnFax

Why Businesses Choose Virtual
Numbers and Outbound Calls with CallnFax

✔ Local presence in global markets
✔ Flat-rate inbound calls
✔ Receive calls & SMS anywhere
✔ Easy SIP integration and softphone support
✔ Works with existing telecom infrastructure

How It Works

Get up and running with global voice and messaging in just a few simple steps.

1

Choose Your Country & Number

Select local or international virtual phone numbers based on where you do business.

2

Configure Voice, SIP, or SMS

Route calls, connect SIP trunks, or deliver SMS and 2FA messages by email.

3

Start Communicating Anywhere

Receive calls and messages globally—no hardware, SIM cards, or roaming needed.

Client Testimonials

“Our busy Call Center lowered costs by over 50% with the Flat-Rate Services from CallnFax. With no downtime, our phones always work!”
Martin L
“Our company wanted to expand into Europe and Asia. CallnFax made it easy and cost-effective. With Global Virtual Numbers, we are now in new locations without the expense.”
Denise R
“As a Digital Nomad, I kept my Home and Mobile Number, bought phone service where live and work. All without long-term commitments or excessive charges.”
Walter S

Your questions answered

Common questions

With traditional Landline and Mobile phone service, you receive a phone number in your location. With virtual phone service from CallnFax, you can choose a phone number from almost anywhere. You can choose to receive your calls on your phone, computer, business system, or a SIP Trunk

Absolutely, CallnFax SMS Text-to-Email service is designed to keep you connected to critical services that require two-factor authentication when you are away from home. CallnFax offers Text-to-Email service from a wide range of locations.

Yes, but you have that hardware already! You can make and receive phone calls as you usually do, from your home phone, mobile, and also your PC, Laptop, and Tablet devices.

Our Virtual Number (DID) locations are some of the most comprehensive in the industry. We serve over 100 countries, covering thousands of cities. Essentially, if you need service in a city, we serve it!

CallnFax is your SIP Trunking specialist! For large-scale operations, we enhance your SIP Trunk with a custom sub-domain, leveraging our AnyCast DNS feature.

CallnFax has its own pre-configured Softphones, and you can easily use your own!

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