The 'tem in 2015' webinar discusses trends, tools, and opportunities in the telecom and telecom expense management (TEM) industries, emphasizing the importance of understanding and managing telecom expenses more effectively. It highlights the challenges organizations face such as mobile environment complexities, costs, and inaccuracies found in telecom invoices, suggesting audits and better management solutions as ways to save money. Case studies illustrate significant savings achieved through proactive TEM strategies.