VoIP for Business in Canada: What It Is, What Your Options Are, and How to Choose

Most businesses are still paying for a traditional phone system out of habit rather than necessity. The monthly cost of maintaining a legacy landline system, combined with the limited features and the lack of flexibility for remote and hybrid work, makes the case for VoIP for business in Canada stronger every year. VoIP technology has matured to the point where it is the default choice for most new business phone system deployments, and the question for businesses that have not yet made the move is no longer whether VoIP is ready for business use. It is which option is the right fit for their specific environment and how to implement it without disrupting operations in the process.

This post covers what VoIP is and how it works, how it compares honestly to a traditional phone system, what the main VoIP options are for Canadian businesses, and how Gennix approaches VoIP implementation for businesses across Vancouver, Surrey, Langley, and the broader Lower Mainland.

What Is VoIP and How Does It Work?

VoIP stands for Voice over Internet Protocol. Instead of transmitting voice calls over a traditional copper telephone network, VoIP converts voice into digital data packets and transmits them over the internet or a private IP network. The result from the user's perspective is a phone call that works like any other, but the underlying infrastructure is the internet connection the business already has rather than a separate telephone line from a telecom provider.

The practical implication of this is significant. A business with a reliable internet connection can run a fully featured phone system without dedicated telephone lines, without PBX hardware on site, and without the per-line costs that traditional systems charge. Calls can be made and received from desk phones with VoIP handsets, from computers using a softphone application, or from mobile phones using an app. A staff member working from home in Langley and a colleague in the office in Vancouver are both on the same phone system, with the same number, transferring calls between each other as if they were in the same building.

The quality of a VoIP deployment depends significantly on the quality of the internet connection it runs on. VoIP is sensitive to latency, jitter, and packet loss in ways that video streaming and web browsing are not, because voice calls are real-time communications where delays are immediately noticeable. A business considering VoIP needs to assess its internet connection quality and capacity before deployment, and may need to implement Quality of Service configuration on its network to prioritize voice traffic over other data. This is one of the reasons that VoIP implementation is not simply a matter of signing up for a service and plugging in phones.

→ Want to know whether your current network is ready for VoIP? Talk to Gennix about a VoIP readiness assessment for your business.

VoIP vs Traditional Phone Systems: An Honest Comparison

The comparison between VoIP and a traditional PBX involves trade-offs worth understanding before making a decision.

Cost is where VoIP typically wins most clearly. Traditional landline systems charge per physical line, and the per-line monthly cost adds up quickly for businesses with multiple staff members who need their own number. The hardware for a traditional PBX system is expensive to purchase, install, and maintain, and replacement parts become harder to source as systems age. VoIP systems typically charge per user per month, which scales more predictably as the business grows or contracts, and there is no significant on-site hardware investment required for a hosted VoIP solution.

Features are another area where VoIP has a clear advantage for most businesses. Auto-attendant, call forwarding, voicemail to email, call recording, conferencing, hold music, and ring groups are standard features in most hosted VoIP platforms. On a traditional system, many of these features require additional hardware or per-feature licensing. On VoIP, they are typically included in the base subscription or available as low-cost add-ons.

Flexibility is where VoIP's advantage is most obvious for businesses with remote or hybrid staff. Because VoIP calls travel over the internet, a staff member can use their business phone number from any device in any location. Adding a new user to a VoIP system is a software configuration rather than a hardware installation. Moving offices does not require a painful phone system migration. For businesses that have grown beyond a fixed office model, the flexibility of VoIP is not a nice-to-have. It is a fundamental requirement.

Reliability is the one area where traditional phone systems hold a genuine advantage. A landline works during a power outage because it draws power from the telephone network. VoIP depends on internet connectivity and power being available for the router. For most businesses this is a theoretical concern rather than a practical one, but it is worth acknowledging.

→ Not sure whether VoIP is the right move for your business? Gennix can walk you through the comparison based on your specific setup.

VoIP Options for Canadian Businesses

The VoIP market for Canadian businesses has several distinct categories, and the right choice depends on the existing infrastructure, the size of the team, the features required, and the level of management the business wants to take on internally.

Hosted VoIP through a dedicated third-party provider is the most common entry point for businesses making their first move away from a traditional phone system. Providers in this category deliver a cloud-hosted phone system accessible through desk phones, softphone applications, and mobile apps. The provider manages the infrastructure, software updates, and uptime, and the business pays a per-user monthly subscription. This category includes providers like RingCentral, 8x8, Vonage, and a range of Canadian-specific options. The advantage is that it is a purpose-built phone system with deep feature sets. The consideration is that it adds another subscription and another platform to manage alongside whatever else the business is already running.

Microsoft Teams Phone is the VoIP option Gennix recommends and implements for most clients, particularly those already running on Microsoft 365. Rather than adding a separate phone system to the business's technology stack, Teams Phone extends the Microsoft Teams platform to include full business calling capability. Staff make and receive calls from within Teams, on the same application they already use for chat, meetings, and file collaboration. The phone system is managed through the same Microsoft 365 admin centre as the rest of the M365 environment. For businesses that have already invested in Microsoft 365, Teams Phone delivers a complete phone system without adding a new vendor, a new platform, or a new monthly subscription outside the existing Microsoft relationship. The full details of how Teams Phone works, what licensing is required in Canada, and how Gennix implements it are covered in our dedicated post on Microsoft Teams Phone.

On-premise VoIP is a third category relevant to businesses with specific control, compliance, or connectivity requirements. Rather than hosting the phone system in the cloud, an on-premise VoIP system runs on hardware at the business's location. This gives the business complete control over the system and removes the dependency on an internet connection for internal calls, but it also introduces the same hardware management responsibilities that cloud-hosted VoIP avoids. For most businesses, on-premise VoIP is not the right starting point in 2026, but it remains a relevant option for businesses with regulatory requirements around data residency or for those in environments where internet reliability is genuinely limited.

Microsoft Teams Phone: The VoIP Solution for Microsoft 365 Businesses

For any business already running on Microsoft 365 managed services, Microsoft Teams Phone is the most natural VoIP choice and the one Gennix most commonly recommends. The reason is straightforward: the business is already paying for Microsoft 365, already using Teams for communication and collaboration, and already managing users and security through the Microsoft 365 admin centre. Adding Teams Phone brings the business phone system into that existing environment rather than creating a parallel system that needs to be managed separately.

Teams Phone in Canada works through Microsoft Calling Plans, which provide telephone numbers and calling capacity through Microsoft directly, or through Direct Routing, which connects Teams Phone to a third-party Canadian carrier using a Session Border Controller. The right approach depends on the call volumes, the geographic requirements, and the existing carrier relationships of the business. Gennix works through this choice with clients during the implementation planning phase and configures the appropriate approach for each environment.

The user experience of Teams Phone is one of its most significant advantages. Staff already know the Teams interface because they use it for chat and meetings. Adding calling capability means learning one additional feature in a familiar application rather than learning a new phone system entirely. Calls are made and received from the Teams desktop application, the Teams mobile app, or a Teams-compatible desk phone. Voicemail appears in the Teams activity feed. Call history sits alongside chat history in the same interface. For businesses already using Teams for chat and meetings, as covered in our post on Microsoft Teams for business, Teams Phone completes the picture by bringing external calling into the same platform.

Number porting is the process of transferring existing business phone numbers to the new VoIP system, and it is one of the most operationally sensitive parts of any phone system transition. Under CRTC number portability rules, Canadian businesses have the right to keep their existing phone numbers when switching providers. Gennix manages the number porting process for clients as part of the Teams Phone implementation, coordinating the timing of the port to minimize any disruption to inbound call handling during the transition.

→ Already on Microsoft 365 and interested in adding Teams Phone? Talk to Gennix about what the implementation would look like for your business.

What to Look for When Choosing a VoIP Solution in Canada

Evaluating VoIP options for a Canadian business involves a set of criteria that are not always front of mind when looking at feature lists and pricing pages. Getting these right is what determines whether the VoIP deployment works well in practice rather than just on paper.

Canadian data residency matters for businesses in regulated industries. Where call recordings, voicemail data, and communication logs are stored affects compliance with PIPEDA and provincial privacy legislation. Not all VoIP providers offer Canadian data centres, and businesses in healthcare, legal, and finance need to verify data residency before committing to a provider. Microsoft 365 and Teams Phone offer Canadian data residency for businesses that require it.

Call quality guarantees and uptime SLAs vary significantly between providers. A hosted VoIP solution should come with a committed uptime guarantee and clear processes for support and escalation when call quality degrades. VoIP quality problems are disruptive in a way that most IT issues are not, because they affect every phone call the business makes or receives while they persist. Understanding how the provider handles quality issues before signing up is more useful than discovering the answer during an incident.

Number porting timelines and processes are worth understanding before committing to a provider. Porting a Canadian business phone number involves coordination between the receiving provider and the losing carrier, and timelines vary. A provider who has clear, documented processes for Canadian number ports and who has done many of them is a better choice than one where porting is an afterthought.

The distinction between a VoIP service provider and an IT provider who manages the full implementation is particularly important for businesses without internal IT resources. Signing up for a VoIP service and configuring it correctly are different things. Network readiness, Quality of Service configuration, firewall settings, hardware provisioning, user setup, and staff training are all part of a successful deployment, and most VoIP service providers do not manage these elements. Gennix manages the full implementation for clients, from network assessment through to user training, as part of the ongoing managed IT services relationship.

What Good VoIP Implementation Actually Looks Like

The difference between a VoIP deployment that works well and one that causes problems is almost entirely in the implementation rather than the choice of platform. A well-implemented VoIP system on a properly prepared network delivers call quality that is indistinguishable from a traditional phone system. A poorly implemented VoIP system on an unprepared network delivers choppy calls, dropped connections, and frustrated staff regardless of how good the underlying platform is.

The starting point for every VoIP deployment Gennix undertakes is a network readiness assessment. This evaluates the internet connection quality and capacity, the existing network hardware and configuration, and whether the bandwidth available is sufficient to support the expected number of concurrent calls alongside the business's normal internet traffic. VoIP calls consume a relatively modest amount of bandwidth per call, but they are sensitive to the consistency of that bandwidth. A connection with adequate average bandwidth but frequent bursts of congestion will produce poor call quality even though the average numbers look fine.

Quality of Service configuration on the SonicWall firewall is a standard part of every VoIP implementation Gennix completes. QoS prioritizes voice traffic over other data on the network, ensuring that when the connection is under load, voice packets are delivered with the consistency required for clear calls rather than competing with file downloads or video streams for the same bandwidth. Without QoS configuration, a large file download by one staff member can noticeably degrade call quality for everyone else on the VoIP system.

Network segmentation for VoIP traffic is another element Gennix implements as part of a complete deployment. Placing VoIP devices on a dedicated VLAN, separate from the general corporate network and from guest Wi-Fi, provides both performance and security benefits. From a performance perspective, broadcast traffic on the corporate network does not interfere with VoIP traffic. From a security perspective, VoIP devices are isolated from the general network, reducing the attack surface.

Hardware selection, user setup, number porting, and staff training complete the implementation. For Teams Phone deployments, Gennix configures user accounts in the Microsoft 365 admin centre, assigns Teams Phone licenses, sets up auto-attendants and call routing, provisions desk phones or headsets where required, and manages the number port from the existing carrier. Training is practical and short, because most of what staff need is intuitive once the basics are covered.

→ Ready to replace your business phone system with a VoIP solution that actually works? Contact Gennix to start the conversation.

VoIP Security Considerations for Canadian Businesses

VoIP security is an aspect of phone system planning that most businesses do not think about until something goes wrong, and the two most common things that go wrong are toll fraud and eavesdropping. Both are real risks on improperly secured VoIP systems and both are preventable with the right configuration.

Toll fraud occurs when attackers gain access to a VoIP system and use it to make calls, typically to international premium rate numbers that generate revenue for the attacker. A compromised VoIP system can generate thousands of dollars in unauthorized call charges in a short period. Preventing toll fraud requires strong authentication on VoIP accounts, restrictions on international calling where it is not needed, and monitoring for unusual call patterns. These controls are configured by Gennix as part of every VoIP deployment and are reviewed as part of the ongoing managed environment.

VoIP traffic over the internet can be intercepted if it is not encrypted. Modern VoIP systems, including Microsoft Teams Phone, encrypt voice traffic by default, but businesses using older VoIP hardware or less current platforms should verify that encryption is enabled. Gennix confirms encryption settings during the implementation assessment and ensures that any hardware deployed supports encrypted voice transmission.

Keeping VoIP firmware and software current is as important as keeping any other business software patched. VoIP desk phones run embedded software with the same potential for vulnerabilities as any other networked device. Firmware updates that address security vulnerabilities need to be applied on the same scheduled basis as other device updates, which is managed as part of Gennix's patch management process for clients. VoIP security sits naturally within the broader network security environment Gennix maintains for clients rather than being treated as a separate concern.

How Gennix Sets Up and Manages VoIP for Lower Mainland Businesses

Gennix implements VoIP phone systems for businesses across Vancouver, Surrey, Langley, Burnaby, Chilliwack, White Rock, Richmond, Coquitlam, Delta, New Westminster, Maple Ridge, and Abbotsford. The primary VoIP solution Gennix recommends and deploys for clients on Microsoft 365 is Microsoft Teams Phone, which brings full business calling capability into the Teams environment without adding a new platform or vendor relationship to the business's technology stack.

The implementation process covers the full scope of a successful deployment: network readiness assessment to confirm the internet connection and network configuration can support VoIP, QoS configuration on the SonicWall firewall to prioritize voice traffic, network segmentation to isolate VoIP traffic on its own VLAN, Teams Phone licensing and configuration in the Microsoft 365 admin centre, auto-attendant and call routing setup, hardware provisioning for desk phones or headsets where required, number porting from the existing carrier, and staff training on the Teams Phone interface.

After the deployment, VoIP management is integrated into the ongoing managed IT services relationship. User additions and removals, call routing changes, number port requests for new locations, firmware updates for VoIP hardware, and troubleshooting of call quality issues are all handled as part of the same managed relationship that covers the rest of the IT environment. There is no separate VoIP support contract and no need to coordinate between a phone system provider and an IT provider when something needs attention.

For businesses that are currently on a traditional landline or an aging on-premise PBX and are evaluating what to replace it with, Gennix works through the comparison honestly, models the costs of both options including the often-overlooked ongoing maintenance costs of traditional systems, and makes a clear recommendation based on the specific environment rather than a generic preference. The goal is a phone system that the business will still be happy with in five years, not just one that solves the immediate problem of replacing aging hardware.

→ Ready to modernize your business phone system with VoIP? Talk to Gennix about what the right solution looks like for your business.

→ Follow Gennix on LinkedIn and Facebook for more IT guidance for businesses across the Lower Mainland.

Frequently Asked Questions

What is VoIP and how does it work for business?

VoIP stands for Voice over Internet Protocol. It converts voice calls into digital data and transmits them over the internet rather than a traditional telephone network. For businesses, this means phone calls can be made and received from any device with an internet connection, without dedicated telephone lines. Gennix implements VoIP for businesses across the Lower Mainland primarily through Microsoft Teams Phone, which integrates business calling directly into the Microsoft 365 environment.

Is VoIP reliable enough for business use in Canada?

Yes, when properly implemented on a suitable internet connection. VoIP quality depends on the consistency of the internet connection rather than just raw bandwidth. Gennix conducts a network readiness assessment before every VoIP deployment and configures Quality of Service on the business's firewall to prioritize voice traffic. A properly implemented VoIP system on a well-configured network delivers call quality that is indistinguishable from a traditional phone system for most business use cases.

Can I keep my existing phone number when switching to VoIP?

Yes. Under CRTC number portability rules, Canadian businesses have the right to keep their existing phone numbers when switching providers. Gennix manages the number porting process for clients as part of every VoIP implementation, coordinating timing with the losing carrier to minimize disruption to inbound call handling during the transition.

Does Microsoft Teams include VoIP calling?

Microsoft Teams includes video and audio calling within the Teams environment as standard. To add external business calling capability, meaning the ability to make and receive calls to and from regular phone numbers, Microsoft Teams Phone licensing is required. For businesses already on Microsoft 365, this is the most cost-effective way to add a full VoIP phone system without introducing a new platform. Gennix configures Teams Phone for clients across the Lower Mainland including licensing, call routing, number porting, and hardware setup. Full details are in our post on Microsoft Teams Phone.

Does Gennix help businesses in my area set up VoIP?

Yes. Gennix provides managed IT services, Microsoft 365 managed services, network security, and business computer support to businesses across Vancouver, Surrey, Langley, Burnaby, Chilliwack, White Rock, Richmond, Coquitlam, Delta, New Westminster, Maple Ridge, and Abbotsford. VoIP implementation including Microsoft Teams Phone setup, network readiness assessment, number porting, and ongoing management is part of what Gennix delivers for businesses throughout the Lower Mainland.