Client Support: (520) 790-0279
Sales Inquiries: (520) 999-3914
VoIP
We Connect Teams With Smarter Communication Solutions
Traditional phone systems are expensive to maintain, difficult to scale, and don't support the way modern teams work. VoIP changes all of that.
Intelus Technology Group installs and supports business VoIP phone systems across Arizona. As a certified 3CX Silver Partner, we handle the entire setup and keep your system running after the install.
What Our VoIP Phone Services Deliver for You
Crystal-clear call quality that works over your existing internet connection
Mobile apps that let your staff take business calls from anywhere in the state
Easy call routing, auto-attendant, and voicemail setup included with every plan
One number that rings desk phones, laptops, and mobile devices at the same time
What Clients Say About Us
Friendly Support That’s Always There
“We work with Braden for our small business. He is friendly, easy to understand, and very responsive whenever we have questions, need help troubleshooting, need to get a new employee set up, or just have any IT related issues or questions.”
Serene Mazhar
Professional, Responsive, Reliable IT Experts Always
“I had an excellent experience working with this company for years. The team is professional, responsive, and clearly knowledgeable about what they were doing (specially Braden). I would absolutely recommend them to anyone looking for quality service and a reliable team.”
Dario Mendoza
Responsive Team Making IT Stress-Free
“Braden and Samuel have been great to work with. They’re always responsive, professional, and quick to help whenever needed. Their support has made everything much smoother and stress-free. Really appreciate their dedication and excellent customer service. Highly recommend!”
Jordan Ramirez
Reliable IT Support With Clear Communication
“We’ve worked with this IT company for quite some time, and they’ve consistently been reliable, responsive, and knowledgeable. Whenever issues come up—whether network support, troubleshooting, or day-to-day needs—they respond quickly and resolve them with minimal disruption. What stands out most is their communication and follow-through. They not only fix issues but also explain the cause and help us prevent them in the future, which has built strong trust within our team.”
Lorraine Kovacs
Trusted IT Support For Over A Decade
“I absolutely recommend Intelus Technology Group! They have been servicing our Big Brother Big Sister of Southern Arizona account for well over ten years now. The owner Justin is very professional and extremely knowledgeable. The IT support team is prompt and helpful with a special acknowledgement to Braeden for his exemplary service!”
Kimber Herron
They Solve Problems Before They Disrupt Us
“I want to recognize the IT support team, especially Braden for consistently going above and beyond. Their responsiveness, technical expertise, and willingness to help make a real difference in our day-to-day operations. They do more than just fix issues. They take time to explain solutions, follow up when needed, and often anticipate problems before they happen. No matter the request, they handle it with professionalism and a positive attitude.”
Mari Saldivar
How We Install and Support Business Phones for You
A VoIP phone system is only as good as the team that sets it up and supports it afterward. Intelus handles design, installation, configuration, training, and ongoing management so you're not left to figure it out on your own.
Phone Design and Setup
Before installing anything, we review how your team communicates, how many lines you need, and what features matter. Every system we build is configured around how your business actually works.
Ongoing 3CX Management
Intelus is a certified 3CX Silver Partner. We manage 3CX deployments for Arizona businesses, handling updates, extensions, call routing, voicemail, and any configuration changes your team needs as you grow.
User Training Included
A new phone system only helps if staff knows how to use it. We include hands-on training with every installation so your team is comfortable and productive from day one.
Desk Phones and Mobile
Modern VoIP systems let staff take calls from a desk phone, laptop, or mobile device using one number. We configure and support all three so your team is always reachable.
Old Phone Systems Will Always Cost You More
Traditional phone systems generate ongoing maintenance expenses, require vendor-dependent hardware replacements, and lack the mobility features that distributed workforces require. Organizations relying on aging PBX infrastructure accumulate unnecessary costs while experiencing critical limitations.
Communication disruptions during business hours carry measurable productivity and revenue consequences. VoIP migration eliminates legacy telephony infrastructure, consolidates communication costs, and delivers mobility that traditional systems cannot replicate.
What Sets Our VoIP Services & Support Apart
Intelus Technology Group is a certified 3CX Silver Partner with verified installation experience across Arizona businesses, providing licensed system configuration, deployment, and ongoing technical support for 3CX-based communications infrastructure since 2005.
Our process includes complete hardware configuration, user provisioning, extension routing, voicemail setup, and staff training. On-site and remote technical support is available throughout, all delivered by a consistent locally staffed team.
3CX Phone System
Installing and Configuring Your Business 3CX Phone Setup
Paragraph: Intelus is a certified 3CX Silver Partner, which means we're formally trained and authorized to deploy 3CX business phone systems for Arizona clients. We handle everything from the initial system design through hardware procurement, software configuration, call routing setup, voicemail, auto-attendant, and user provisioning. Once the system is live, we remain the point of contact for all changes, troubleshooting, and ongoing management so your phones stay working correctly.
A properly configured 3CX system does more than replace a traditional phone line. It gives your business call routing flexibility, unified communications across devices, and a platform that grows with you without requiring expensive hardware upgrades. These are the core areas Intelus addresses when installing a 3CX business phone system for a new client in Arizona.
Call routing and auto-attendant are configured to match how your business operates
Voicemail, extensions, and user accounts are set up for every member of your team
Desk phones, softphone apps, and mobile clients are all connected to one system
Remote and Mobile Lines
Reliable,Keeping Staff Connected Whether in the Office or Remote
One of the most practical advantages of VoIP is that your staff can take and make business calls from anywhere using the same number. Intelus configures mobile and desktop softphone applications that connect to your 3CX system, giving remote employees, field staff, and people working from home the same phone functionality as someone sitting at a desk in the office. Calls transfer, voicemail works, and your caller ID shows your business number regardless of where the call originates.
Supporting a distributed workforce with consistent phone capabilities requires the right configuration, not just the right software. Intelus sets up and tests mobile and remote access across each user's devices to make sure calls connect reliably, transfers work correctly, and the experience feels like a normal business phone. These are the components we put in place for every client who needs phones that work beyond the office walls.
Mobile softphone apps are installed and tested on staff phones before going live
Desktop apps connect remote employees to the full phone system from any location
Business caller ID appears on all outbound calls regardless of the device being used
Phone System Migration
Switching From a Traditional Phone System Without Disruption
Moving from a legacy phone system to VoIP sounds disruptive, but it doesn't have to be. Intelus plans every migration around your business schedule to minimize downtime, carries over your existing numbers through the porting process, and runs a parallel testing phase before your old system goes offline. Your staff gets trained on the new system before cutover day, and we're on-site for the transition to handle any issues as they come up in real time.
A phone system migration has multiple moving parts that all need to happen in the right order. Intelus coordinates every step, from number porting with your current carrier to final cutover testing, so nothing falls through the cracks. These are the key steps in a typical Intelus phone system migration for Arizona businesses switching from a traditional or hosted PBX setup.
Existing phone numbers are ported to the new system before the cutover date
Staff training happens before go-live so no one is learning the system under pressure
On-site support is provided on cutover day to handle anything that needs attention
Why Businesses Choose Intelus for Business Phones
A phone system that works well is something most businesses don't think about because it just runs. One that doesn't work creates constant friction for your team and your customers. Here is why Arizona businesses trust Intelus to get their phone setup right.
3CX Silver Partner
Intelus is a certified 3CX Silver Partner. That means we're trained and authorized to deploy, configure, and support 3CX business phone systems in Arizona. When you need something changed quickly, we can do it right away.
Your Local Support Team
When your phones go down or a user can't figure something out, you don't want to be waiting on a remote support team to respond. Intelus is Arizona-based and can be on-site quickly in most situations.
Flat Rate Pricing
Intelus VoIP phone services come with straightforward monthly pricing and no hidden fees. You know exactly what your rate covers before installation begins, and there are no surprise charges for adding extensions or adjusting call routing.
We Show Up for You
Unlike vendors who hand you a manual and leave after installation, Intelus stays involved. We handle changes, answer questions, and come back on-site whenever your setup needs adjustment. Your phone system is not a one-time project.
FAQs About Our VoIP Services
What Is the Difference Between a VoIP System and a Regular Phone?
A traditional phone system routes calls over dedicated copper phone lines and typically requires on-site hardware like a PBX to manage extensions. VoIP routes calls over your internet connection, which means lower monthly costs, easier scaling, and the ability to add users or change settings without a technician visit. For most Arizona businesses, VoIP is a straightforward improvement in both cost and capability.
Can Remote Staff Take and Receive Business Calls From Their Cell Phone?
Yes. With 3CX, remote employees install a mobile softphone application that connects to your business phone system. Calls to your main number ring their phone, outbound calls show your business caller ID, and transfers and voicemail work the same as they would in the office. Intelus configures and tests all of this as part of the standard setup process for every client.
How Disruptive Is It to Replace Your Current Phone System With VoIP?
Less than most businesses expect when the migration is properly planned. Intelus handles number porting before cutover, trains staff in advance, and is on-site for the go-live transition. Most clients complete the switchover with less than an hour of disruption. The planning phase is where the work happens, and we handle that entirely so your team can stay focused on the business.
Does VoIP Still Work if the Internet Goes Down at Our Office?
It depends on how the system is configured. Intelus can set up mobile failover so that calls automatically route to staff cell phones if your internet connection drops. We also help clients assess whether backup internet options make sense for their operation. For businesses where phone availability is critical, we document a continuity plan as part of the initial setup.
Let's Get Your IT Under Control
You don't have to figure IT out on your own. Intelus Technology Group is a local Arizona IT company that has been supporting businesses since 2005. We offer managed plans, break-fix support, and a free IT roadmap consultation.
Call Intelus Group LLC today at (520) 999-3914 to get started.
Headquarters
1325 N Wilmot Rd Floor 2, Ste 200, Tucson, AZ 85712
