Simplify, manage, and optimize your telecom orders, inventory, invoices, and expenses with the industry’s leading TEM solution. From global enterprises to mid-market, Tangoe One telecom expense management (TEM) provides essential tools for end-to-end lifecycle TEM to drive efficiencies, cost savings, predictability, and innovation for your business. Know what services you have, who is using them, and how much they’re costing in real time to get maximum value and ROI on your telecom investments.