ABOUT Cloud Networx

ESI Phone Support

Cloud Networx

Cloud Networx has been providing SC, NC & GA businesses with phone systems, paging systems, voice & data cabling and service support for 30+ years. Located in the Upstate SC & Western NC, we are a team of voice engineers dedicated to remaining loyal to our customers' needs. We remain debt free and easy to deal with in any situation.

ESI Users
ESI is our # 1 phone system option supported by the largest inventory stocked locally in our service areas. We can deploy new and used systems within days and can restore downed systems most often, same day. We would be honored to be your ESI phone system partner!

Why Cloud Networx

Our Process

We purchase hundreds of pounds of ESI equipment every month. In our 3000 square foot lab, everything is tested and provisioned before anything is released for purchase or install.

Technical Support

From anywhere in the US, we can offer phone support. You may call us for technical support at anytime required.

Buying Power

If we do not have your ESI part, we promise one of our network partners does. Together with our nationwide ESI partners we can provide reliable prompt services & installations. 

Other Brands

 Vertical Vodavi


SBX, STS, Triad, Starplus phones & repair parts

NEC America


dTerm, DSX. SL1100, SL2100, 9100, 8100 Electra, IPK, phones & repair parts

Nortel Avaya


T & M series phones, Norstar phones & repair parts.