CMS Communications Inc. Since 1985, CMS Communications Inc. With a commitment to superior technical support and competitively priced solutions, CMS gives you the freedom to choose the best options for your phone system and networks while keeping your costs down.

Headquartered in St. Louis, Missouri, CMS has a nationwide presence, with direct sales and service offices located across the United States. The team at CMS consists of 160 industry professionals, including manufacturer-certified project managers, field engineers, and system designers.

Whether you're in need of managed services, repair solutions, or UCaaS, CMS Communications Inc. Trust CMS to simplify your communications and help your business thrive