In today’s mobile-first world, staying connected is essential – whether for personal use, remote work, or managing a business on the go. One technology that’s quietly transforming the way we communicate is VoIP, especially when paired with cell phones. But what exactly is a VoIP cell phone, and how does having a second VoIP number make a difference?

This guide breaks it all down for you — from what VoIP means to how it powers modern phone systems and why having a second number can make your communication smarter and more secure.

1. What is VoIP?

VoIP stands for Voice over Internet Protocol. Unlike traditional phone systems that rely on telephone lines, VoIP uses your internet connection to transmit voice calls. It converts your voice into data and sends it over the web – just like emails or video calls.

Key features of VoIP:

• Internet-based calling (no SIM card needed)

• Works on smartphones, laptops, tablets, and desktops

• Typically cheaper and more scalable than traditional phone lines

VoIP is the foundation for modern business calling, virtual numbers, and flexible phone systems.

2. What is a VoIP Cell Phone?

A VoIP cell phone isn’t a special kind of device – it’s your regular smartphone or mobile device that runs a VoIP calling app. With the app installed, you can make and receive calls over Wi-Fi or mobile data instead of cellular networks.

You don’t need a SIM card to make calls using a VoIP cell phone – just a working internet connection and a VoIP number.

3. How Does a VoIP Cell Number Work?

A VoIP cell number is a phone number that operates over the internet. You can get one through VoIP providers (like Cooee), and it can be used on any internet-connected device.

Here’s how it works:

• You sign up with a VoIP provider

• Choose a number (local, toll-free, or international)

• Install the VoIP app on your phone

• Start calling and texting via Wi-Fi or mobile data

Your second number lives in the cloud, giving you total flexibility.

👉 Internal Link: Learn more about VoIP connectivity with Cooee

4. Why Use a VoIP Cell Number as Your Second Number?

Having a second number is no longer just for business owners — it’s becoming a must for anyone who wants to separate work and personal calls, or protect their privacy. Here’s why a VoIP second number makes sense:

• Separate your work and personal life

• Protect your primary number from spam and exposure

• Look professional with a local or business number

• Travel easily without roaming or SIM issues

• Use one number on multiple devices
  

5. VoIP vs Traditional Cell Phone Calls

6. Who Should Use a VoIP Cell Phone?

• Remote workers needing a reliable work line

• Freelancers and small business owners separating business from personal

• Frequent travelers avoiding roaming charges

• Online sellers and customer support teams needing virtual presence

• Anyone wanting a second number without another SIM

7. How to Get Started with a VoIP Cell Number

1. Choose a VoIP provider (like Cooee)

2. Pick your number – local, international, or toll-free

3. Download the app on your phone or computer

4. Start making calls from anywhere using Wi-Fi or mobile data

You’re now ready to enjoy seamless communication with complete control.

Conclusion

VoIP cell phones are redefining the way we communicate — offering flexibility, affordability, and privacy. Whether you’re managing a business or just want to protect your personal number, getting a second VoIP cell number is a smart move in 2025.

No extra devices, no new SIM — just smarter calling.

FAQs: VoIP Cell Phones & Second Numbers

Q1. What is a VoIP cell phone?
A VoIP cell phone is any mobile phone that uses an app to make calls over the internet rather than a traditional phone network.

Q2. Can I use VoIP on my smartphone?
Yes! You just need to install a VoIP app and have an internet connection.

Q3. Do I need a second SIM for a VoIP number?
No — VoIP numbers don’t require a SIM. They work entirely online.

Q4. What’s the benefit of a second VoIP number?
It gives you a separate line for work, privacy, or international calls — all from one device.

Q5. Is VoIP cheaper than regular calling?
Usually, yes. Especially for international or business use, VoIP is more cost-effective.

In today’s world of digital communication, the ability to call from a different number is no longer limited to tech-savvy users or corporate giants. Whether you’re a business professional, remote worker, entrepreneur, or someone who values privacy, using a different number to make calls is practical and accessible. From protecting your identity to maintaining work-life boundaries or managing international communication, this feature is a game-changer.

With the evolution of VoIP technology and virtual mobile phone numbers, calling from a different number has never been easier or more reliable. In this guide, we’ll walk you through how to call from a different number and review the top apps available in 2025 that make this process seamless.

How to Call from a Different Number

To call from a different number, you typically use a virtual number service or an app that supports caller ID customization. These platforms assign you a second number (or even multiple numbers) that you can use from the same device.

Here’s how it works:

• Sign up with a VoIP or virtual phone app
• Choose a new number (local, toll-free, or international)
• Use the app to make calls, and the recipient sees the selected number

It’s essential to use legitimate services that comply with legal and ethical standards. These apps ensure that you’re not spoofing numbers but actually using valid numbers assigned to your account.

Top 8 Apps to Call from a Different Number in 2025

1. Sonetel

Best for: Global entrepreneurs and startups
Sonetel offers international virtual numbers in over 60 countries, allowing businesses to appear local in markets worldwide. It includes call forwarding, voicemail transcription, and integration with other business tools.

Key Features:

• Free global customer service number
• Affordable rates for calls and texts
• Web-based dashboard and mobile app

Pros:

• Ideal for small businesses with global reach
• Inexpensive international numbers

Cons:

• Slight learning curve with setup

2. Fongo

Best for: Canadian users looking for a free option
Fongo provides a free Canadian phone number and unlimited calling to most Canadian cities. While it’s geographically limited, it’s an excellent option for users within Canada.

Key Features:

• Free voicemail, call display, call forwarding
• Use your number on Wi-Fi or mobile data

Pros:

• Totally free Canadian number
• Supports SMS and voicemail

Cons:

• Limited to Canadian geography

3. OpenPhone

Best for: Startups and remote teams
OpenPhone offers a modern virtual phone system perfect for remote teams and individuals who need to separate work and personal communication. It works on mobile and desktop.

 Key Features:

• Shared numbers for team collaboration
• CRM integration and voicemail transcription
• SMS, MMS, and call recording

Pros:

• Sleek interface and easy to use
• Great for team communication

Cons:

• Monthly fee per user

4. MoreMins

Best for: Affordable international calling
MoreMins is focused on low-cost international calls. It supports calling from different numbers and is ideal for users who frequently connect with people in different countries.

 Key Features:

• International virtual numbers
• App-based calling

Pros:

• Cost-effective for international calls

Cons:

• Interface could be more modern

5. Line2

Best for: Professionals and freelancers
Line2 gives users a second phone number that works on smartphones, tablets, and desktops. It’s great for maintaining a professional presence without needing two devices. 

Key Features:

• Call forwarding, voicemail, SMS support
• Wi-Fi and cellular support

Pros:

• Simple and effective
• Multiple device compatibility

Cons:

• Some features require premium plan

6. EasyRinger

Best for: Personal and business international numbers
EasyRinger allows you to choose a virtual number from over 60 countries. It’s easy to use and supports calling and receiving texts with your alternate number. 

Key Features:

• Custom caller ID
• SMS and voicemail support

Pros:

• International number selection
• Simple pricing

Cons:

• Lacks advanced business features

7. iPlum

Best for: Healthcare and secure communication
iPlum offers a second phone line with encryption and HIPAA-compliant features, making it a great tool for professionals handling sensitive information. 

Key Features:

• Secure texting and calling
• Voicemail and call recording

Pros:

• Enhanced security features
• U.S., Canada, and toll-free numbers

Cons:

• Interface isn’t as intuitive

8. CallHippo

Best for: Businesses needing CRM integration
CallHippo is a business-focused platform offering local and international numbers with team management features. Perfect for customer support and sales. 

Key Features:

• IVR, analytics, and integrations
• Power dialer and call recording

Pros:

• Enterprise-grade features
• Supports global business operations

Cons:

• Not ideal for casual/personal use

How to Choose the Right App 

When choosing an app to call from a different number, consider the following:

• Purpose: Are you using it for personal privacy, business, or international calling?
• Features: Do you need SMS support, call recording, CRM integration, or just voice calls?
• Pricing: Evaluate monthly costs, call rates, and any hidden charges
• Call Quality: Look for apps with strong VoIP infrastructure to avoid dropped calls or delays

What is a Virtual Mobile Phone Number? 

A virtual mobile phone number is not tied to a physical SIM card or device. It operates through the internet using VoIP technology. These numbers can receive and make calls or texts just like regular mobile numbers.

Benefits include:

• Easy to manage multiple numbers
• Use numbers from different countries
• Ideal for remote teams and digital nomads

For more, read our guide on virtual mobile phone number.

Is It Legal to Call from a Different Number? 

Yes, it is completely legal to use a different number to call someone as long as you are not impersonating someone else or engaging in deceptive practices.

Using apps that assign you a valid virtual number ensures you’re complying with legal requirements. Avoid services that promote caller ID spoofing for unethical reasons.

Final Thoughts 

Calling from a different number is now easier and more useful than ever. With a growing list of apps and virtual number services, you can protect your privacy, streamline your business communications, or simply maintain better work-life balance.

Whether you need a second line for your startup, want to call clients abroad, or simply need a break from sharing your personal number, the apps listed above offer trustworthy, affordable, and flexible solutions.

Embrace the power of virtual mobile phone numbers and VoIP to simplify your communication in 2025 and beyond.

FAQs

Q1: Can I legally call from a different number?
Yes, using virtual number services is legal if you’re not engaging in fraud or identity theft.

Q2: Which is the best app for calling internationally from a different number?
Apps like Sonetel, MoreMins, and EasyRinger are excellent for international calls.

Q3: Do I need a second SIM card?
No. Virtual number apps use the internet (VoIP) to make calls from a different number.

Q4: Can I call from a different number using Wi-Fi only?
Yes. Most VoIP apps work over Wi-Fi or mobile data.

Q5: How do I get a virtual mobile phone number?
Sign up with any of the apps listed above. Choose your preferred country or region, and you’ll be assigned a number instantly.

In an increasingly digital world, seamless communication is key. A virtual phone system offers a flexible, internet-based solution for handling business calls across teams, devices, and locations. Whether you’re a small business owner or a remote team lead, understanding how these systems work and what they offer can transform how you manage calls and stay connected.

What Is a Virtual Phone System?

A virtual phone system is a cloud-based telephony solution that allows you to make and receive calls using the internet instead of traditional landlines. Unlike a physical system with hardwired phones, a virtual system lets you use your existing devices — smartphones, laptops, or desktops — to manage communications.

These systems often come with a virtual phone number, which lets you establish a professional presence without being tied to a specific location or device.

How Does a Virtual Phone System Work?

At the core, virtual phone systems use Voice over Internet Protocol (VoIP) to transmit voice data over the internet. Here’s how it functions:

• Call Routing: Incoming calls are directed through a cloud server to the correct extension or device.
• Multiple Devices: Users can answer calls on any device connected to their account.
• Softphones & Dashboards: These systems often include a web or app-based interface for managing calls, messages, voicemails, and team collaboration.
• Integrations: Seamless compatibility with tools like CRMs, Slack, and Helpdesk platforms enhances workflow.

10 Powerful Benefits of a Virtual Phone System

1. Cost Efficiency

No expensive hardware or installation fees. Monthly plans are often more affordable than traditional carriers.

2. Portability

Work from anywhere. All you need is an internet connection to handle business calls.

3. Scalability

Add new numbers, users, or features as your team grows without needing physical infrastructure.

4. Advanced Call Features

Enjoy features like call forwarding, voicemail transcription, auto-attendant, and call recording.

5. Improved Professionalism

Use dedicated business numbers, custom greetings, and call routing to present a polished image.

6. Enhanced Collaboration

Team members can share numbers, access call logs, and manage communications from a unified dashboard.

7. Analytics & Insights

Access data on call durations, missed calls, and agent performance to make informed decisions.

8. Integration with Tools

Connect your phone system to your CRM, calendar, or communication apps for seamless operations.

9. Disaster Recovery

Because it’s cloud-based, you can quickly reroute calls or shift operations in case of outages or emergencies.

10. Eco-Friendly

No physical paperwork or bulky equipment — ideal for businesses aiming for sustainability.

5. Who Should Use a Virtual Phone System?

• Small to Mid-Sized Businesses looking for affordable yet professional communication tools.
• Remote Teams who need a centralized system to manage calls from multiple locations.
• Freelancers and Solopreneurs who want to separate personal and business calls easily.
• Customer Support & Sales Teams requiring advanced routing and call monitoring tools.

6. Things to Consider Before Switching

• Internet Reliability: A stable connection is essential for clear, uninterrupted calls.
• Features Needed: Ensure the provider offers essentials like IVR, call recording, and integrations.
• Budget: Compare pricing tiers and feature sets to find the best value.
• Security & Compliance: Choose a provider that meets your data privacy and industry standards.

7. Virtual Phone System vs. Traditional Phone Systems

8. Conclusion

A virtual phone system isn’t just a modern convenience—it’s a strategic business tool. By understanding how it works and embracing its powerful features, businesses can improve communication, reduce costs, and enhance professionalism. Whether you’re a growing startup or a remote team, making the switch can offer both immediate and long-term benefits. Consider getting started with a virtual phone number to future-proof your business communication.

Read More: How to Call the UK from the US: Step-by-Step Guide

FAQs

1. What is a virtual phone system?
   It’s a cloud-based platform that lets users make and receive calls over the internet without relying on traditional landlines.
2. How does a virtual phone system work for small businesses?
   It routes calls via the internet and allows you to manage them using apps or dashboards from any device.
3. Can I use my existing number with a virtual phone system?
   Yes, most providers allow number porting or offer virtual phone numbers.
4. Is a virtual phone system secure?
   Yes, reputable providers offer encryption and comply with data privacy regulations.
5. What’s the difference between a virtual phone system and VoIP?
   VoIP is the technology; a virtual phone system is the full suite of tools built on VoIP.
6. Can I get a virtual phone number with a virtual system?
   Absolutely. Most systems provide access to one or more virtual phone numbers for different locations.