Advanced VoIP Systems, Solutions & Service in the Denver Metro Area

KCG Communications, Inc. is a premier VoIP provider in Denver, CO, delivering custom solutions and top-rated service to small and large businesses. Known for our expertise, responsiveness, and innovation, we are proud to be a one-stop shop for Denver’s VoIP needs, providing scalable, effective solutions to support businesses’ complex and evolving communication needs.

Our cutting-edge VoIP systems are equipped with robust features that offer seamless communication and customer experiences. Denver businesses that partner with KCG for VoIP solutions can take advantage of several benefits, including:

  • Expert technicians backed by 40 years’ experience serving the Denver metro area
  • Unmatched support, with on-call techs ready to help you troubleshoot and resolve any issues
  • Truly custom VoIP solutions that are tailored to your budget and your business’s needs, both now and in the future
  • Competitive pricing and flexible financing, so your business can make essential upgrades and maximize productivity without disrupting your bottom line!

From system design, installation, and configuration to ongoing maintenance, upgrades, and troubleshooting, KCG is the Denver VoIP company you can rely on for first-class service, state-of-the-art systems, and exceptional solutions.

Check out the following to learn more about KCG’s VoIP systems. You can also call (303) 773-1200 to get answers directly from our team of experts.


The Speed of business today demands efficient, seamless communications to enable rapid decision-making and customer responsiveness. The NEC UNIVERGE SV9100 VoIP Telephony Solution is the ideal system for SMB’s that wish to compete and grow their business over time. This robust, feature-rich solution is completely scalable and can be expanded to meet an SMB’s communications needs now and in the future.Deploy a Pure IP solution with this system and customize the best communication solution for your business needs.

SV9100 Overview (Migration)

Key Benefits:

Low Installation costs
Provides converged communications – data, multimedia and voice over one network. There is no need to run two sets of wires for voice and data.

Enhance Management Capabilities
Offers centralized management of phone system, data system and enterprise platforms; moves, adds and changes of SV9000 phones are quick and easy.

Improved Customer Satisfaction and Staff Productivity
Delivers a full suite of advanced applications that help businesses run smoothly through its high-powered feature set.

Is VoIP right for you? Call us and we will help you find the right communication needs for your business.

Overcoming Today’s Communications Challenges

Lacking a robust and reliable solution?
NEC can deliver channels of communications tailored to exacting requirements.

Expanding headcount?
NEC’s SV9000 Series suite is cost effective from 10 to 192,000 users.

Struggling with complexity?
The SV9000 platforms integrate easily with existing IT networks either as an analogue, digital or IP system.

Looking to cut costs?
Each SV9000 solution supports SIP technology allowing for the elimination of costly PSTN gateways and the need to maintain a separate trunking system for telephony.

Confronted with a multi-generational workforce?
NEC delivers feature-rich telephony as well as strong mobility, homeworking and bring your own device (BYOD) capabilities.


UNIVERGE BLUE offers a variety of different business benefits including significant cost savings. Don’t waste money on business communications! See how much you could save by switching to UNIVERGE BLUE CONNECT

If you would like more information

Call support phone center