Virtual Phone Numbers: Safety, Legality, and Best Practices


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Obtaining local phone numbers from telecom companies is not always fe­asible. High costs, regulatory restrictions, and limited availability often make it challenging for businesses to acquire desired numbers. Due to this, virtual phone numbers have gained considerable popularity in this interconnected world. It offers both businesses and individuals a ve­rsatile and flexible communication solution. However, it is crucial to thoroughly evaluate the safety and legality of incorporating virtual numbe­rs into your communication strategy.

What Is a Virtual Phone Number?

A virtual phone number, also known as a VoIP number, is a cloud business phone number that is not tied to a specific location or specific phone device. You can purchase these numbers online and enable voice and video calling via the Internet. You can communicate with anyone at any time with people worldwide using almost any internet-connected device. 


An online phone number gives your business greater control and flexibility to become a reliable business communication solution. It removes all physical limitations and allows you to make and receive calls from any device, whether a laptop, smartphone, or tablet. Typically, virtual numbers are safe numbers to call through an internet connection using VoIP.

How Does a Virtual Phone Number Work?

Virtual phone numbers don’t require a SIM card or physical address. Instead, phone calls are connected using Voice over IP services. The numbers only work upon connection through wifi or cellular data.


When someone dials the virtual number, the call effortlessly transitions to the pre­determined re­cipient’s device­ and enables them to answer from anywhe­re worldwide. This flexibility makes virtual numbers an excellent solution for remote te­ams, international businesses, or individuals seeking a professional presence in multiple locations. Moreover, virtual phone numbers for businesses often provide advanced features like call routing, recording, and voicemail transcription that enhance overall communication capabilities.

Virtual Phone Number’s Safety and Legality

Virtual phone numbers have been around for decades. Today, these VoIP numbers are legal in many countries and primarily used for business communication. However, the terms and conditions for using these numbers can vary from country to country. Those who use VoIP phone numbers must understand the laws and regulations of the specific region to avoid legal consequences for inappropriate use

1. Is it safe to use virtual phone numbers?

You can use virtual phone numbers as temporary or alternative numbers for specific purposes, such as online transactions or communication. It lets you keep your personal phone number private and provides additional privacy and security. However, choosing a reputable VoIP phone system for virtual numbers is important to ensure total safety and protection from data breaches. Besides, exercising caution while sharing personal or sensitive information is equally important. Note that no system is entirely risk-proof.

2. Is it safe to receive an SMS to virtual numbers?

Rece­iving SMS to virtual numbers can generally be considered safe. However, you should remain vigilant and cautious when receiving spam messages. It is important to avoid clicking on suspicious links or sharing sensitive­ information. Additionally, you must be aware of potential risks associated with the received messages’ content to avoid phishing attacks and scams.

3. Is it safe to use virtual numbers for verification?

Virtual numbers can be safe for verification, providing an additional layer of privacy. You can use it for account verification during online registrations or transactions. Doing so helps safeguard your primary number from spam and unwanted solicitations.


However, if your VoIP service provider does not have strong security, it possesses the risk of unauthorized access, which can compromise the verification process. Selecting reliable virtual phone number providers with encrypted platforms and robust firewalls is crucial.

4. Is it legal to use a virtual phone number for business & personal use?

Many countries allow you to use virtual phone numbers, and you won’t have any difficulties using them there. They typically authorize the use of virtual phone numbers for business as well as personal purposes. However, once again, it is essential to remember that different countries can have different terms and conditions. Therefore, you must ensure that you comply with the legislation and follow the regulations whether using it for personal or business purposes.

What Can I Do to Keep My VoIP Phone Number Safe?

It’s imperative to keep VoIP numbers safe whether you use them for personal or business purposes. Though VoIP technology is designed to be secure, the inherent vulnerabilities can still pose serious risks in any business when exploited. You must take appropriate precautions and countermeasures to protect your virtual numbers. Below are some best ways to keep your VoIP phone number safe.

1. Firewall

Consider getting the virtual number from the provider that has set up a firewall. A firewall filters the call traffic based on predefined security rules and is a barrier between your network and external threats. It protects the VoIP network from unauthorized access and potential security breaches.

2. Strong and often updated password

When employing the password for your VoIP account, choosing a strong, unique password is crucial. Avoid using common or easily guessable passwords to prevent unauthorized access to your account. Additionally, it is also advisable to change your password regularly.

3. Network monitoring

Implement network monitoring tools or services to keep track of your VoIP network activity. Monitoring helps identify suspicious or unusual behavior that could indicate a security threat and allows you to take prompt action.

4. Use data encryption

You can also enable VoIP encryption protocols such as TLS or SRTP to encrypt the data transmitted over your VoIP network. Encryption in VoIP adds an extra layer of security, making it difficult for attackers to intercept and decipher your communication.

5. Train your employees

If you use virtual numbers for business, educate your employees about VoIP security best practices. Train them on recognizing and avoiding common security threats, such as phishing attacks or social engineering attempts to prevent inadvertent disclosure of sensitive information.

Steps Governments Have Taken to Prevent Misuse of Virtual Numbers

For the most part, the government has taken different actions and policies to prevent the misuse of virtual phone numbers. These measures aim to address concerns related to fraud, spam, identity theft, and other illegal activities.

1. Rules & Regulations on Virtual Phone Numbers

Many countries’ governments implement several rules and regulations on virtual numbers to ensure customer and provider protection. They are designed for sustainable and safe use of VoIP numbers. Some critical regulations include compliance with emergencies, following the local number probability rule, and regulations for call recordings.

2. Restrictions on Virtual Numbers

Many countries may set restrictions on virtual numbers. The restrictions type may differ from country to country. They may impose certain limitations on VoIP providers based on license and compliance with local telecommunication. The restriction is typically put in to ensure the quality of service and protect consumers’ benefits and telecommunication facilities.

3. Banning

Instead of restricting the options to use VoIP, some countries may also totally ban the service. In such countries, the government does not permit the use of virtual phone numbers at all. The ban is usually implied to discourage the sending and receiving illicit or illegal web content. Some governments may also ban the service, linking it with cyber security and cybercrime concerns.

How to tell if your VoIP number has been compromised?

VoIP numbers establish communication channels and house sensitive information. This information could be detrimental if it falls into the wrong hands. It is vital to ensure your VoIP number is safe from potential threats.


Sometimes, we may not know our virtual phone number system has been compromised until it is too late. To avoid such catastrophic situations, here are top signs that could indicate that your virtual number has been compromised.


  • Internet services are redirected for no reason
  • Automatic activation of webcams and microphone
  • A sudden increase in telephone bills
  • Popping up fake antivirus and messages - Irregularities in call history


While virtual phone numbers are legal in many regions globally, adhering to specific regional laws and regulations is crucial. Safety, however, significantly depends on how you use it and the chosen VoIP phone service provider. Those seeking a blend of legality, reliability, and security can consider Calilio. We offer virtual numbers that are legally compliant and shielded from potential threats. Sign up now and get a free virtual phone number now.

Frequently Asked Questions

Can police track virtual phone numbers?

Police can track virtual phone numbers if they have a warrant or other legal justification. The tracing level depends on the specific virtual number provider and their policies and procedures.

Where do virtual numbers come from?

Virtual numbers originate in the cloud. You can link them to your pre-existing telephone number and use them daily. VoIP service providers like Calilio provide such services and facilitate communication over the Internet.

Can a virtual number be traced?

You can trace a virtual number depending on your type of virtual number, whether it is a fixed or non-fixed VoIP number. A fixed VoIP number requires you to provide an address, but a non-fixed number does not. Hence, it is relatively harder to trace non-fixed virtual numbers.

How do I create a digital phone number?

Firstly, choose a virtual number service provider and sign up to create an account. Then, the service provider allows you to select a digital phone number, customize it, and start using it.

Why would someone use a VoIP number?

VoIP allows you to share your number across multiple devices. It also includes numerous advanced calling features such as call forwarding, call waiting, voicemail, and IVR. Individuals and businesses use VoIP numbers to enjoy such exceptional call features.

What is a virtual line?

A virtual line is a number not tied to a specific device. It facilitates communication over the internet and allows the user to redirect the calls from one number, IP address, or device to another.

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