Phonewire Inc.

Phonewire Inc. is a business phone system installer based in O'Fallon, IL, serving businesses nationwide since 1998. We specialize in professional on-site installation, VoIP phone systems, cloud PBX, SIP trunking, and unified communications. Our product lineup includes Yealink, Poly, Snom, and Grandstream desk phones, plus wireless headsets and conference solutions. Phonewire also provides intercom and paging systems, elevator phone lines, and emergency phone line replacement. With U.S.-based customer service and local technicians in 35+ cities, we deliver reliable business communication solutions with real, hands-on support.