





The same Cisco hardware the Fortune 500 runs on, sized for a 20-person office and priced for a small business. A Certified Network Specialist sets it up, runs it, and manages it end to end — you don't touch the tech.
★★★★★5.0/5(25 reviews for this system)Shopper Approved →Every system is customized to your needs. Request a proposal for your exact configuration.
🚚 $350 flat-rate shipping · In-stock systems ship in 3–5 business days · custom-configured systems may need extra lead time
If you're running 15 to 25 phones — a growing office, a busy clinic, a branch, a contact desk — this is the system sized for you. You get enterprise Cisco call quality without the enterprise price tag, and without a monthly cloud bill that climbs every time you add a seat.
Cloud VoIP charges you per user, every month, forever — for phones you'll never own. A 20-line cloud plan runs roughly $30,000–$36,000 over five years. This system, with SIP Express Plus, comes in around $12,015 over the same five years. That's up to ~$23,985 back in your pocket — and a phone system that keeps working the same on year five as it did on day one.
You don't have to be an IT person to run it. That's our job, not yours.
This is real Cisco enterprise hardware — the same ISR routers and 8841 phones the Fortune 500 runs on — refurbished, fully tested, and built to run for a decade. We can price it this far below cloud VoIP for one reason: there's no monthly per-user rent baked in, and the deep system discount is our way of earning your SIP Express Plus service.
You're not buying a stripped-down box. You're buying enterprise gear at a small-business price, backed by a lifetime warranty. That's the whole point.
This isn't a DIY project. A Certified Network Specialist handles the technical end from start to finish.
Your system ships 90% pre-configured. A Certified Network Specialist finishes the setup remotely — most offices are live in under 2 hours. No IT department, no on-site technician visit.
Moves, adds, changes, new extensions, auto-attendant tweaks — you call us, we handle it. No change-order fees.
Ongoing monitoring, updates, and support are handled for you, so the phones just work.
A Certified Network Specialist who knows your system — not an offshore call center, not a ticket queue.
20+ years of voice networking and CCNP-level certification on every build.
Everything you need to run a professional phone system with phone service included. Pre-configured and ready to deploy.
* All Cisco phones and equipment are refurbished to like-new condition with full warranty.
* SIP Express Plus service includes lifetime warranty on all hardware. SIP Express Plus Terms & Conditions
Everything listed below comes standard. No add-on fees. No surprises.
No IT department required. No on-site technician visit.
Tell us about your business — how many phones, your office setup, what matters most. A Certified Network Specialist builds your exact configuration and quote.
Your system arrives 90% pre-configured — routing, extensions, auto-attendant, voicemail — ready to plug in.
A Certified Network Specialist completes the remote setup — most offices are live in under 2 hours — and stays on as your one number to call for anything after.
The on-premise system that looks "expensive" up front is the most cost-effective option over any reasonable timeframe.
That's enough to hire a part-time employee for a year — and then some.
No monthly rent — that's why it costs less. You own the system outright; SIP Express Plus covers the service, warranty, and support.
The same phones used by Fortune 500 companies.



Enterprise-grade build quality. Refurbished to like-new condition. Full manufacturer specs.
Build the perfect system for your office. Add any of these to your custom proposal.
Expansion panel for receptionists handling high call volume
Include in ProposalAdditional options: PoE Network Switch · Call Recording · Call Detail Records · Virtual Fax · Network Integration Services · Wireless Networking
This system comes with full phone service built in. No separate carrier. No porting headaches. Just plug in and start making calls.
Your 20 SIP lines run on SIP Express Plus — full HD-audio phone service with no separate carrier to deal with, managed by a Certified Network Specialist.
Network access, E911 ($3.50/DID), DID, and regulatory fees are billed in addition and itemized on your quote. Rates adjust 8% each July. See the SIP Express Plus Terms for the full pricing breakdown.
4.9/5 across 100+ reviews on Trustpilot, Shopper Approved, Google, Facebook, and eBay
"Not only was all the equipment high quality, but with their support package, if there is ever a problem Scott is on top of it immediately until it get's resolved."
"The Office of the Territorial Public Defender (OTPD) has been using VoIP PBX Express IP PBX solutions as our enterprise phone system provider, and the level of service we’ve consistently received has been nothing short…" Read full review →
"Great Support!"
This bundle includes SIP Express Plus phone service (from $179/mo for 20 lines) and a lifetime warranty. The standalone system is hardware-only — you bring your own phone lines. This bundle gives you a lower upfront cost ($1,275 vs $3,950) because the deep system discount is our way of earning your SIP Express Plus service.
Yes. Over 5 years, this system costs ~$12,015 total. RingCentral costs ~$36,000, Vonage ~$37,200, and Nextiva ~$30,000 for 20 users. You save roughly $18,000–$25,000 compared to any major cloud provider.
SIP Express Plus is our managed phone line service. It provides 20 SIP trunks (phone lines) with HD audio calling from $179/month at the per-user tier. It bundles phone service, lifetime hardware warranty, and ongoing support into one package, and a Certified Network Specialist manages the service end-to-end — so you don't need a separate phone carrier.
As long as your SIP Express Plus service is active, your entire phone system — router, phones, and all components — is covered by our lifetime hardware warranty. No extra cost, no separate plan to purchase.
Yes. We can port your existing phone numbers to SIP Express Plus. The process typically takes 5–10 business days, and we handle all the paperwork.
To keep the upfront cost as low as possible. Many offices already have a PoE switch, or you can add one to your proposal. We offer Cisco PoE switches as an add-on — just request it in your custom proposal.
Yes. Cisco CME supports softphones on Android, iPhone, Mac, and PC. Remote workers connect just like they would with a cloud system.
Under 2 hours. We pre-configure 90% of the system before shipping. You plug in the phones, and we guide you through the final setup remotely. SIP service is already active when the system arrives.
From 10 phones to 100. Every system includes the same Cisco quality and support.

Cisco 8841 color phones with full PBX

Standalone system with PoE switch included

Large office with reception phones & wireless

Enterprise scale with 200-user voicemail
A complete 20-phone Cisco SIP system — $4,950 $1,275, up to 79% off — with a Certified Network Specialist to set it up, run it, and manage it. SIP Express Plus from $179/mo. Tell us what you need and we'll build your custom quote.
Or email: sales@voippbxexpress.com