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On-premise phone systems, when the cloud isn't the right answer.

An on-premise phone system lives in your building β€” usually a controller in the phone closet, talking to IP or digital phones on desks. Higher upfront cost, lower per-user fees over time, less dependence on internet quality. We sell, install, and support Mitel, NEC, and Grandstream.

When on-premise still makes sense

The industry trend is cloud, but on-premise is far from dead. We still install plenty of new on-prem systems and maintain hundreds more. It's the right call when:

  • Your internet is unreliable. If outages or poor quality are a regular thing, cloud will fight you. On-premise calls inside your building still work even when the internet's down.
  • You recently bought hardware. If you have a Mitel or NEC controller from the last 5–7 years, ripping it out for cloud rarely makes financial sense. We can extend its life with software updates and SIP trunks for outside calls.
  • You have strict on-site data requirements. Some government, healthcare, and legal customers prefer all call data to stay inside their network.
  • You're a heavy contact-center user with specific needs. Some advanced ACD, recording, and reporting features are still better on-premise β€” though that gap is closing.
  • Lower long-term TCO matters more than monthly predictability. Once the box is paid for, your per-user cost drops dramatically. For a 75+ seat business that doesn't change size much, the math often favors on-premise over 7+ years.

What we sell

Mitel

Our largest on-premise install base. We sell MiVoice Office (small to mid-size, up to ~250 users) and MiVoice Business (mid-market to enterprise, with multi-site and contact-center capabilities). Mitel phones are well-built, the admin tools are solid, and the platform has matured over decades. More on Mitel β†’

NEC

We sell the UNIVERGE SV9100 (mid-size businesses) and SL2100 (small businesses, 10–50 users). NEC is a strong choice for cost-conscious small businesses that want a real, feature-complete phone system without a cloud subscription. Quality phones, sensible licensing. More on NEC β†’

Grandstream

We sell the UCM6300 series for businesses that want an on-premise IP-PBX at a lower price point than Mitel or NEC. Good fit for small to mid-size offices that want SIP-native, open-standard equipment.

What an on-premise install actually includes

  • Site survey. We map your network, count drops, look at existing cabling, identify where the controller will live, and check your power and HVAC for the equipment room.
  • System design. Sized to current headcount + 20% growth headroom, with the right line count for your call volume.
  • Cabling, if needed. If your data drops aren't where the phones need to be, we can run new cable (or coordinate with our structured cabling team).
  • Programming. Auto-attendants, hunt groups, call routing, voicemail-to-email, ring patterns, paging, conference bridges. We program to your call flow, not a template.
  • Installation. Mount the controller, install the phones, label everything, and test end-to-end.
  • Training. On-site training for end users and admins. We leave a one-page cheat sheet.
  • Cutover and support. Number porting, cutover during off-hours, and our team available for the first week of issues.

What it typically costs

On-premise pricing varies more than cloud because there's hardware involved. A 25-user system typically lands somewhere between $15,000 and $30,000 for the controller, phones, licensing, installation, and programming. A 100-user system is generally $45,000 to $90,000. SIP trunks for outside calling run separately, typically $15–$25 per channel per month.

Once installed, ongoing costs are: SIP trunks (or PRI/POTS if you keep legacy), any software assurance contracts with the manufacturer, and our Managed Voice service if you want us to keep running the system day-to-day.

The honest tradeoff: On-premise costs more upfront. It usually costs less over 5+ years. Cloud is easier to add users to. On-premise is more resilient to internet problems. Neither is "better" β€” it depends on what your business actually needs.

Managed Voice β€” for customers who don't want to think about it

Owning an on-premise phone system means you're responsible for it. Software updates, programming changes, troubleshooting when something breaks, escalating to the manufacturer when needed. Most businesses don't want a phone admin on payroll.

That's what Managed Voice is. We take over the day-to-day: adds, moves, changes, software updates, troubleshooting, vendor escalation. Flat monthly fee, no surprise hourly bills. You call us, we make it work.

Already have an on-prem system? We probably support it.

If your current system is Mitel, NEC, Grandstream, or Avaya β€” we can likely take over support. Free assessment of your current setup.