Every call clear.Every customer connected.
Business phones installed, monitored, and supported by your local GCS team—with zero upfront hardware costs.
- Phones included
- Local installation
- Ongoing support
HD voice ● Monitored by GCS
Is Your Current Phone System Holding You Back?
Outdated, unreliable phone systems cost you more than just money. They cost you customers. It's time for an upgrade that delivers clear calls, empowers your team, and presents a professional image every time.
The Last Phone System You'll Ever Need
With Green Computer Systems, you get more than just a dial tone. You get a complete communications partner. We provide everything you need to connect with your customers, all for one simple monthly price.
- $0 Upfront Hardware: Business-grade phones included.
- Crystal-Clear Calling: Reliable, professional audio quality.
- We Install Everything: Personal delivery, setup, and configuration.
- Full Support & Maintenance: We monitor, maintain, and replace hardware.
Professional Series Business Phone
Carrier-grade quality with HD audio, Gigabit speed, and 14 lines.
Features That Power Your Business
Everything you need, nothing you don't.
Cost Savings
Slash your monthly phone bill with competitive pricing and zero upfront hardware costs.
HD Quality
Experience crystal-clear audio quality for professional and reliable communication.
24/7 Reliability
Our rock-solid infrastructure ensures your phone system is always online.
Scalability
Easily add or remove lines as your business grows, without hassle.
Advanced Features
Get access to auto-attendants, call queues, voicemail-to-email, and more.
Full Support
We handle setup, maintenance, and replacements, so you can focus on your business.
Flexible Plans for Every Business
Choose the plan that's right for you.
VoIP Service: $5/line/month (all plans)
Choose your phone hardware below
Cordless Home Phone
$9.99/mo
- Unlimited Nationwide Calling
- E911 Service Included
- Address-Based 911
Small Office
$19.99/mo
- Unlimited Nationwide Calling
- Virtual Receptionist
- Custom Music on Hold
- 24/7 Customer Support
Professional
$24.99/mo
- All Small Office Features
- Voicemail-to-Email for Every User
- Company Directory & Call Parking
Prices shown are for phone hardware rental. Add $5/line/month for VoIP service on all plans. Additional fees may apply for extra voicemail inboxes, E911 services, and state/local taxes. Small Office plan includes 5,500 minutes; additional usage billed at 2¢/minute.
Avoid Costly Phone System Mistakes
Download our free guide to learn the 5 most common (and expensive) mistakes businesses make when choosing a phone system, and how you can avoid them.