VoIP troubleshooting services for Canadian businesses
Even experienced IT teams can struggle to diagnose VoIP issues. Optimize your network for crystal-clear VoIP performance with help from Western Canada’s experts at Atcom Systems
Take the guesswork out of VoIP performance
Poor voice quality, one-way audio, or intermittent call issues can all stem from network misconfigurations. We help you get to the root cause fast—and fix it.
Get an instant quote
Tell us about your symptoms, and we’ll build a service package to suit your needs.
Expert-level diagnostics
We inspect firewall rules, test ISP stability, and trace voice packets from end to end.
Real tools & real results
We use enterprise tools like Wireshark, Fluke Cable Certifiers, and on-site monitoring appliances.
Vendor-neutral support
Whether your phone system is hosted or on-premise, we’ll diagnose and optimize it.
Clear answers
We explain what’s wrong, what’s working, and how to prevent future disruptions.
One-time fixes or long-term help
We can assist with one-off issues or provide ongoing support for multi-site organizations.
Excellent service! Technician went over and above. Very competent. We have used them multiple times and will continue to do so! They consistently offer the best service you could ask for.
— Crystal Webster
Built for reliability at every scale
Solutions for different business needs
We tailor our VoIP troubleshooting services to different setups and situations so you can keep your team connected and productive.
Troubleshooting basic call issues
We isolate common problems like one-way audio, dropped calls, or extension routing errors.
On-site & remote support
Whether you need in-person help or remote diagnostics, we work the way your business needs.
Hosted VoIP optimization
We test ISP performance and local network setup to improve cloud VoIP stability.
Intermittent call quality investigation
We identify and fix issues related to bandwidth usage, congestion, and packet loss across complex systems.
VLAN & cabling checks
We validate voice VLAN configurations and test structured cabling for performance.
SIP path analysis
We analyze SIP signaling and media paths to ensure proper connectivity across locations.
Deep-dive packet tracing
We provide tools and expertise to trace RTP streams and SIP signaling with tools like Wireshark.
Gateway & firewall review
We review and tune SIP ALG, port forwarding, and NAT settings to allow clean call flow.
Training & documentation
We provide documentation and optional training so your team can manage future issues in-house.
Frequently asked questions
Find answers to the questions we get asked most often about VoIP call quality and troubleshooting.
Issues like one-way audio, jitter, or dropped calls can all be caused by:
- Poor ISP performance
- SIP ALG settings
- Firewall misconfigurations
- Bad cabling
Yes. We work with hosted VoIP platforms as well as on-prem PBX systems. We’ll test both your local network and ISP connection to find the problem.
We use Fluke Cable Certifiers for wiring, Wireshark for packet capture, and custom SIP monitoring tools for more complex issues.
Usually no—not in most office environments. Modern LANs have more than enough bandwidth to support VoIP. We’ll advise you only if it’s truly necessary.
Absolutely. We regularly support internal IT and MSPs with VoIP-specific expertise and hands-on help.
We’ll help you test your ISP connection and can recommend a dedicated voice line if needed.
Yes. We offer one-time troubleshooting and long-term support plans for businesses that want continuous call quality assurance.
Proudly serving British Columbia, Alberta, Saskatchewan, & more
Headquartered in Calgary, serving Canadian businesses
Atcom Systems is a Canadian leader in modern, efficient, and user-friendly solutions that meet the needs of clients in diverse industries and solve key communication challenges.
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