New Integration alert! Dialaxy & Hubspot will be integrated. Learn More
Save 40% This Black Friday! Ends on 1st of Dec
Save 40% This Black Friday
Purchase unlimited numbers for unparalleled flexibility and connectivity in your contact center
Expand your business’s reach nationwide with a toll-free number accessible in the US, and Canada
Secure a vanity phone number online for your business. Build brand identity, improve customer recall, and create a professional image easily.
Register multiple phone numbers for your agents and efficiently manage calls from various devices within a single system
Customize business hours for individual phone numbers, ensuring calls are received at your preferred time
Craft customized greetings for welcome and voicemail messages to enhance caller experience
Easily convert written text into spoken words using our cutting-edge Text-to-Speech functionality
Ensure seamless call routing to the appropriate team member every time by customizing your call distribution
An interactive customer menu, facilitating seamless navigation and access prior to connecting with an agent
Enhance your reach and streamline communication, ideal for contact center operations
Access unlimited call history records for comprehensive tracking and analysis of each number
Efficiently manage multiple conversations with our seamless call holding feature from separate lines.
Access voicemail transcriptions conveniently through the Voicemail Logs section
Boost contact center insights with Call Recording: Capture key conversations for improved communication strategies
Customize your inbound calling journey to align with your business's unique needs and meet customers' expectations
Easily configure call forwarding for your Dialaxy phone numbers to ring web portals, landlines, or mobile apps
Easily send and receive global text messages using your Dialaxy number with unlimited logs
Business texting from any registered line in Dialaxy, enabling instant SMS exchange while seamlessly integrating your CRM
Efficiently organize message logs by filtering them based on date and time, providing detailed and refined data
Silence conversations effortlessly with our convenient mute conversation feature to control over your messaging experience
Elevate drip campaigns with automated SMS messages, easily managed from your Dialaxy account
Automate messages with the schedule SMS feature for business to improve communication and boost productivity by sending texts at the perfect time.
Effortlessly schedule MMS for your business to automate multimedia messages, engage customers, and enhance your marketing campaigns.
Access our web applications seamlessly on various web browsers for a versatile and user-friendly experience
Unlock the full potential of our mobile app for effortless communication on the go. Explore intuitive features tailored for convenience and productivity
Access our desktop agent seamlessly on Mac, Windows, and Linux for a versatile user experience.
Make calls directly from your browser using the Dialaxy Chrome extension, eliminating the need to use your phone
Easily share your Dialaxy phone numbers with team members for seamless collaboration
Efficiently organize call, message, voicemail logs by filtering them based on date and time, providing detailed and refined data
Expand your agent group seamlessly for enhanced teamwork and productivity within your organization
Connect with an unlimited number of contacts, ensuring comprehensive communication coverage
Receive incoming call alerts directly on your screen and initiate conversations instantly by clicking the banner.
Stay informed with mobile notifications, ensuring you never miss important updates or messages while on the go
Receive voicemails directly to your email account with attached recordings, ensuring seamless access and convenient playback
Stay updated with extension notification, helping you to manage task smoothly
Easily activate integrations with just one click from the Dialaxy admin dashboard, streamlining all settings management
Streamline your workflow with seamless CRM integrations compatible with leading CRM platforms, without switching tabs
Expand your network of shared contacts through Google Contacts, mobile phones, CSV files, or CRM integration
Automatically sync. data with your existing CRM, seamlessly consolidating all information into one unified system
Discover top-tier platforms compatible with Dialaxy for enhanced marketing, productivity, and CRM capabilities
Try Dialaxy live! Schedule your demo session today.
Connect Dialaxy with your favourite tools. View all integration
Clear calls to advanced collaboration, get your startup's communication covered.
Prioritise patients first and ensure a safe communication.
Enhance customer communication for orders, complaints, and returns.
Maximise customer support for better travel experience.
Boost customer engagement, and manage high volumes of calls.
Maximise guest experience, streamline reservations, and optimize staff collaboration.
Provide franchise support, streamline operations, and ensure seamless collaboration.
Optimize team collaboration, client interactions, and consultations.
Enhance client service, claims processing, and agent collaboration.
Elevate candidate engagement, streamline interviews, and optimize team collaboration.
Enhance student engagement, streamline administrative tasks, and facilitate seamless collaboration.
Stay updated with industry insights and tips on our blog.
Expert tips on VoIP, cloud telephony, and virtual phone numbers—all in one place.
Explore the advantages of upgrading to Dialaxy from your current VoIP system.
Maximize lead possibilities of your company with Local Phone Number
Get local, toll-free, and vanity virtual phone numbers for countries like the USA, Canada, UK, and many more. Boost global communication with ease.
Explore phone number regulatory requirements for customers across different countries, including documents, number types, and eligibility details.
Get insights into who we are and what we stand for.
Explore inspiring success stories from our regular clients.
Get access to our app for seamless communication on the go.
Find answers to common questions on our Help Center page.
Verify phone numbers and enhance consumer profiles with fresh, accurate lead data from hundreds of trusted sources.
A free phone validation tool designed to accurately verify and ensure the authenticity of phone numbers across various formats and regions.
Perform a free phone carrier lookup on any phone number across various countries, providing instant details about the carrier and network provider.
Perform a free reverse phone lookup on any phone number, allowing you to quickly identify the caller's details from any country across the globe.
Generate up to five unique phone numbers instantly at no cost using our Random Phone Number Generator tool.
Convert text into realistic audio with our free Text-to-Speech Generator. Ideal for accessibility and customized listening, offering two voice options to suit any purpose.
Use Social Media Finder to quickly and reliably search for online profiles across platforms. Simplify your profile discovery process today.
Instantly convert your voice to text for free with our Speech to Text Generator. Fast, accurate, and easy-to-use voice transcription tool!
Craft professional voicemail greetings in seconds. Use our easy generator to create custom messages quickly and make a great impression!
Home - VoIP - What is a VoIP VPN? Benefits, Providers, How It Works, and More
VoIP
Communication Fundamentals
Troubleshooting & Support
Guides & How To
The shift toward remote work has been relatively rapid, with companies becoming dependent on cloud-based tools and online communication. VoIP over VPN keeps voice traffic private, and a VoIP VPN secures calls in distributed networks.
As more people connect remotely, communication is becoming increasingly prone to security risks. Calls made as part of business activities can be wiretapped or even exposed. Using VoIP over VPN encrypts voice traffic, helps protect the most sensitive conversations, and reduces the number of weak points, enabling secure calls across networks.
We delve into the basics of a VoIP VPN in this blog, which includes the working mechanism, fundamental needs, advantages, leading suppliers, and the implementation plan. Besides that, you will comprehend typical troubles, detailed instructions, and safety measures while using a VPN for your VoIP connection.
A VoIP VPN (Voice over Internet Protocol Virtual Private Network) brings together the concepts of internet communication and secure data. This service protects your voice communications to ensure that no third party can tap into them or monitor them. VoIP VPNs are used for secure communication.
Organizations depend on VoIP VPNs as they ensure the safety of the conversation as well as the clarity of the voice during calls occurring when individuals access the internet from Wi-Fi at their offices or when working from remote locations.
In a VoIP VPN, the encrypted tunnel between the device and the VPN server protects the voice packets as they traverse the internet. This encrypted tunnel protects each voice packet as it travels over the internet.
As a result, hackers and other eavesdropping devices are not able to intercept the voice packets to grab the vital communication information. When the VoIP call connects, the VPN starts the encryption of all voice communications as they transmit from your device.
This encryption process converts the voice communications to encrypted codes that can’t be accessed even when intercepted. This encryption protects your internet when accessing public Wi-Fi connections since the risk of stealing your data is high.
As the encrypted information reaches the VPN server, the information is decrypted and transmitted to the network of the recipient of the call. This final stage of the VoIP service protects the user’s actual IP address and location information and provides the user with a seamless VoIP calling experience.
With the basics covered, let’s explore why businesses are increasingly adopting VoIP VPNs for better performance and privacy.
In order to have a VoIP VPN that is flexible enough for real-time voice traffic, you must consider these crucial demands and comply with them respectively:
Voice communication is real-time. Delays, jitter, and packet loss will directly affect voice communication. For a VoIP VPN, network latency and packet delivery assurance are very important.
Every voice call uses bandwidth. Encrypting the VPN introduces additional overhead. A network must have sufficient bandwidth capacity to avoid congestion. Simultaneous calls should not degrade service. Sufficient bandwidth ensures high-quality VoIP over the VPN.
VoIP packets must have priority access over other network traffic. In the VoIP VPN, the QoS policy must prevent real-time voice traffic from being delayed or disrupted.
Every voice communication needs to be safeguarded. A VoIP VPN encrypts both the call signaling and the media streams. This prevents eavesdropping on conversations and unauthorized access. Confidential conversations remain secret, thus providing enterprises with a sense of security when using public or untrusted networks.
VoIP communications use dynamic ports. Firewalls can prevent communication through the VoIP ports. The VoIP VPN must perform NAT traversal. The VoIP VPN must forward SIP and RTP packets. Phone calls are stable. Sound does not distort.
The VPN should support branch offices, remote employees, and multiple locations. It must remain reliable. Scalable infrastructure allows expansion. Call quality remains consistent. Downtime is minimal. Voice connectivity issues are avoided for all users.
Effective VoIP VPNs include monitoring tools. They track latency, call quality, and tunnel health. Logging allows problem detection. Administrators can troubleshoot issues. The system efficiently maintains reliable, high-performance voice communication across the network.
A VoIP VPN must work with PBX, SIP trunks, and codecs. Integration is crucial. Features must not break. Calls must stay uninterrupted. Compatibility ensures the VPN supports current systems. Voice communications function smoothly and securely.
Meeting these needs ensures secure communication. Now, let’s see what is VoIP VPN and how it actually works in business settings.
Organizations are adopting VoIP VPNs for improved communication security. Given the concept of teleworking and the use of clients’ confidential business information, insecure VoIP communication can pose serious threats. The VoIP VPN protects the entire communication process, including file transfers.
Another essential reason to choose a VoIP VPN. They provide lower latency and packet loss than traditional VPNs, improving the quality of voice communications. Even over the general internet, voice communications remain clear.
Another reason VoIP VPNs are considered desirable is the cost savings they offer. Organizations can use standard internet connections rather than expensive leased lines and still enjoy business-level security. This goes a long way in facilitating secure connectivity between teams across the world.
The idea of when to apply a VoIP VPN and when to get away with it is the key to achieving a balance between security and performance. VPN is a formidable encryption and privacy which secures calls against hackers, surveillance, and bandwidth crippling.
It comes in particularly handy when sharing sensitive messages or via an open Wi-Fi network. Nonetheless, it is not always best to use a VPN. It can introduce latency and degrade call quality when traversing long distances or congested gateways.
The following table summarizes the use and non-use of VoIP VPN to ensure that you make the most appropriate configuration to facilitate free, secure communication.
Summary:
Utilizing the VoIP VPN offers numerous benefits when it comes to protecting phone calls made over the internet, as well as overcoming access limitations and the risk of information leaks. On the other hand, the use of full tunnel VPNs can also negatively impact VoIP calls.
Once you know when to apply a VoIP VPN, the next step is choosing the right VPN type.
When implementing a VoIP VPN solution, four options are available. Each has its merits based on the network and the users involved.
What it is:
An always-on link between two networks, such as a branch and HQ/datacenter. They operate as if they were on the same private LAN. Typically implemented with IPsec on firewall/router hardware rather than a user-level app.
How it assists VoIP:
Ideal service for companies with their voice equipment hosted centrally (on-premises PBX or SBC).
Communication occurs directly between sites and does not pass through their VPNs.
Quality tip: Real-time audio should remain on UDP and given the highest priority through QoS/DSCP to ensure voice packets are not queued behind other packets.
What it does:
VPN client software installed on a laptop or smartphone that provides a secure tunnel to the business network—an excellent solution when working remotely.
How it helps VoIP:
Makes intranet tools and voice communications available to remote workers. Caution: Routing real-time voice over a complete VPN can introduce delay or prevent the preferred UDP routes.
Best Practice:
Use split-tunneling—sensitive apps route through the VPN tunnel, and VoIP media routes directly to the provider. Do not use complete tunnel configurations that route all traffic, including VoIP traffic, through the remote VPN gateway.
Instead of accessing the entire network, ZTNA verifies the user’s identity and the device’s health, and grants access only to select apps. This can be considered as “app-by-app doors,” and this service is usually cloud-based.
Apps such as administration interfaces and analytics remain protected across the phone system, while voice and video are routed through the fastest internet connection.
An intelligent WAN layer that can manage traffic across multiple connections (fiber, broadband, 5G), depending upon real-time performance. Many platforms offer voice-friendly features such as packet duplication or Forward Error Correction.
How it benefits VoIP:
Ideal for multi-site businesses or locations that have fluctuating circuits. SD-WAN favors the best voice channel for RTP audio packets, provides mid-call failover, & enforces quality of service across multiple sites.
After learning the types, it’s time to review the top VoIP VPN providers for reliability and speed.
The best VoIP VPN service is essential for improving call security, reducing call failures, and protecting sensitive information. The following five are the best VoIP VPN services, offering high-speed connections, strong encryption to protect their data, and excellent communication services. Let’s see them.
ExpressVPN is also among the most favored options for VoIP users because it covers a wide area of the globe and improves speed. It is business- and personally friendly, can be set up very quickly, and is highly reliable.
ExpressVPN supports VoIP calls across more than 3,000 servers in 94 countries to ensure clear, uninterrupted calls. It is also scalable to various devices and smart television sets, as well as gaming consoles, thus it can be used in both remote and hybrid business settings.
Pros
Cons
Best For:
Organizational environments that utilize remote-working employees across various devices on a daily basis. It is an excellent choice when speed of setup is a high priority.
Pricing Plans
NordVPN is a well-established leader in online security, particularly in advanced encryption. It is particularly suited to those businesses that utilize VoIP on a large scale.
Its business solution offering, NordVPN Teams, enables administrators to control user access, credentials, and gateways securely via a management panel. This solution balances high-level security with ease of scaling.
Businesses that require a high level of VoIP security, particularly in a regulated field such as medical, financial, or legal. It is ideal for new companies that operate remotely.
Pricing Plans:
IPVanish VPN is the best for device support, as it allows unlimited devices per subscription. It suits best those organizations that need secure VoIP communications and cloud-based storage, which are included in the Encrypt. Me bundle.
It maintains more than 1,600 servers in 75+ locations worldwide, providing reliable connections for remote employees. It accepts several tunneling protocols and is backed by a zero-logs policy.
Business teams require a single solution for VPN security and data storage. This is also effective in a multiple-device environment where businesses engage in unmetered internet activity such as VoIP.
PureVPN is an effective VPN solution that supports groups of people who need remote connections and a safe voice communications network. PureVPN has over 6,000 servers in 78 countries worldwide.
Its “Teams” solution introduces a central billing system, dedicated IPs, admin dashboards, and scaling capabilities, supporting up to 1,000 users. This makes the service suitable for small businesses that use VoIP solutions.
Companies employing a remote labor force that uses VoIP across multiple devices, requiring dedicated IPs, group management, and mid-level budgets for a commercial VPN.
A user-friendly VPN such as CyberGhost VPN would best suit companies that prioritize simplicity during installation and use, as well as the security of their VoIP network. It is also equipped with thousands of servers that ensure a safe VoIP experience, supported by a range of security features.
Its advantages include ease of use for non-technical users and the ability to bypass VoIP blocks in restrictive nations. It uses AES-256 encryption to secure voice traffic data.
Best Uses:
Small- to medium-sized businesses using VoIP services and individuals who telecommute, especially when ease of use is a more critical consideration than enterprise functionality.
With providers compared, let’s review the core benefits VoIP VPNs bring to your communication setup.
A VoIP VPN provides your business communications with an added layer of security and features. It secures sensitive data, enhances the quality of calls, allows remote employment, and provides consistent access to VoIP-based tools regardless of location anywhere across the globe.
A VoIP VPN protects your company’s sensitive data from cyberattacks. Encrypting calls and internet traffic prevents hackers from gaining any access to client data or corporate information.
VPNs ensure that third-party sites/apps are not able to interfere with the VoIP service that you use. They will shield access to any communication platforms that you use, such as Zoom, Skype, and Google Hangouts, in countries where the platforms are blocked.
VoIP VPNs curb cyberattacks, including DoS attacks, packet sniffing, and hacking of the public Wi-Fi. These defenses also mean that business communications between you and your business partners are kept confidential, your network is not disrupted, and that any sensitive information will not be in the hands of hackers.
VPNs guarantee better and quicker VoIP calls by eliminating bandwidth throttling and data jams. Workers rarely get dropped calls, complete voice transmission, and are able to easily connect, even when remotely tied to networks or congested networks.
VoIP VPN enables members of the remote team to access business communication tools with confidence wherever they are. It can be easily scaled when your team increases without affecting the security and call performance of all the employees who get safe and reliable access to VoIP services.
Even with these benefits, VoIP VPNs can face issues. Let’s review common problems and simple fixes.
Even the most suitable VPN for VoIP may have issues with implementation or use. Just as VoIP VPNs will encrypt your calls over the internet, your voice and video session can still be interrupted by technical or network-related problems.
We will discuss the most frequent issues and practical solutions to regain effective communication.
One of the most common VoIP VPN issues is poor call quality. It regularly occurs when your VPN tunnel introduces latency or your internet traffic passes through a faraway VPN server.
Fix:
Select a local VPN server to route at a lower speed. Allow split tunneling so VoIP phones use a Virtual private network, while other applications use the regular internet. This helps keep internet calls high-quality.
VoIP calling can slow your connection speed because VPN software encrypts your data packets before transmitting them over the Internet.
Alternating between protocols (e.g., OpenVPN, IKEv2, or WireGuard) depending on your provider of the VPN service. Turn off background downloads and use high-speed, optimized servers. Other providers go so far as to offer 45-day money-back guarantees if performance does not meet expectations.
VoIP calls may slow or falter in the middle of a conversation when VPN tunnels become unstable. This is typical in public Wi-Fi networks whose signal strength varies.
Use wired internet where feasible, or set up an automatic reconnect option in your VPN configuration. Using a reliable VPN, such as a Kill Switch, will also ensure that your phone system does not suddenly drop as the VPN connection is re-established.
Some applications, such as WhatsApp or Skype, cannot be used normally when they are directed to specific VPN servers. Such applications can either identify VPN-based traffic as suspicious or even block VoIP VPNs within particular areas.
Use other VPN servers in different locations, or ask your VPN provider to assign a dedicated IP address. Voice over IP can be stabilized using dedicated IPs and keep business VoIP phones active.
In some cases, your VPN product has been working great with Windows, macOS, or iOS, but not with all devices. Inconsistent configurations cause poor encryption or failed connections.
Check VPN installations on every computer and ensure security certificates are compatible. Choose a VPN provider with cross-platform support to ensure all calls are end-to-end encrypted.
Leaked data from VoIP phones may be exposed when using public Wi-Fi. Without protection, hackers can intercept packets and access sensitive information, such as your IP address or conversation logs.
It should always be connected to a VPN for VoIP first, then to a public Wi-Fi network. The VPN provides security and encryption for your internet traffic and maintains your internet calls, end-to-end, encrypted and confidential.
Knowing the issues helps you configure better. Here’s how to set up your VoIP VPN effectively.
Properly installing a VoIP VPN ensures your phone system operates safely and effectively. An appropriately configured virtual private network safeguards internet traffic, preserves call quality, and increases the reliability of all internet-based calls.
Choose a reputable VPN company, has optimized VPN servers, superior VPN functionalities, and end-to-end encrypted security. Vendors that offer specialized voice-over-IP support services help eliminate dropped calls and ensure uninterrupted VoIP calling even when the network becomes congested.
The VPN software protocol you are using affects security and internet speed. Select IKEv2 or WireGuard to achieve higher voice and video performance, or OpenVPN to have a high level of encryption that will ensure that your VoIP VPN is entirely safe.
Use split tunneling to send VoIP phones and other communication tools through the VPN tunnel, while standard applications use the regular internet. This balances bandwidth, enhances call quality, and reduces lag, leading to smooth calls over the internet.
Install VPN software on every device, including Windows, macOS, and iOS. Periodic updates provide compatibility, enhanced encryption, and eliminate bugs that may cause the VoIP VPN to be unstable or the voice over IP to perform poorly within the company’s networks.
You should always use your VoIP VPN when accessing public Wi-Fi. It encrypts your internet traffic, conceals your IP address, and protects your data from hackers. This will ensure that remote teams making calls over the internet receive end-to-end encryption.
VoIP VPN is a necessity for maintaining business communication with privacy and reliability. It is used to encrypt voice and data, making internet calls safe and enhancing call quality, in addition to enabling remote collaboration across devices and locations.
VoIP over VPN helps a business secure sensitive data, thwart cyberattacks, and achieve the desired performance levels. Companies can achieve safe, effective global communication by selecting a reliable VPN provider and setting it up appropriately.
VoIP VPN (Voice over Internet Protocol Virtual Private Network) is a type of VPN that encrypts your connection using a safe VPN tunnel. It conceals your IP address, making the calls made online confidential and secure.
VPN helps companies to encrypt VoIP, safeguard customer information, and circumvent geographic restrictions on applications such as WhatsApp or Zoom. It also enhances the quality of calls and stable voice and video connections.
VoIP VPN issues include slow connection, dropped calls, and lag. Solve by changing to a local VPN server, setting split tunneling, or changing your VPN software.
Yes, in most countries. However, in places where it has limited VoIP collection, such as China or Saudi Arabia, the use of VPN can be restricted. Always visit the local internet legislation prior to VPN configuration.
Definitely, VoIP VPN keeps the communications of remote employees secure, encrypts your online traffic, and makes voice and video calls uniform across the Wi-Fi networks in public places and between devices.
