VoIP Vantage®
Why do you need VoIP?
VoIPVantage® is the flexible, efficient, and cost-effective upgrade for your phone systems. Reliable communication systems ensures connectivity and keeps you and your customers from swimming through static and causing lost productivity and, potentially, revenue. Voice over Internet Protocol (VoIP) systems are less costly than legacy phone lines with clearer sound, the ability to call from a variety of devices, and easy linking from voicemail to email.
The VoIP Advantage
GreenTech also goes the extra mile and completely handles the process of updating your phone systems. While other companies may leave you on your own to sort through handset setup, wires, installation, and back-end configuration, we come onsite and make it easy for you, so your business is set up and ready to go in no time at all.

Watch our founder and CEO, Gary Green, discuss our VoIPVantage® solution.
Upgrade Now & Get:
- Nationwide Long-Distance Call Range
- World-wide User-to-User Calls via Extension
- Unified Interface
- Cloud-based Unified Communications
- Flexible Voicemail to Email
- Accessible Voicemail Anywhere with Internet
- Easy Access to Company Contacts
- Better Reliability
- Better Call Quality
- An Easy-to-Navigate Call History
How we update your systems:
- We speak with you to make sure we provide the superior solution.
- We order your equipment and prepare it for your business.
- We use our skill and hospitality to make sure you’re successfully installed, save you time and money, and that you’re ready to go.

“GreenTech responds immediately to all of our IT issues and does an all around wonderful job for us.”
Chloe Williams
President, BR Williams