The document discusses IT best practices for mergers and acquisitions (M&A) in the communications services provider (CSP) industry. It recommends involving IT early in the M&A decision process to better estimate integration costs and timelines. It also suggests assessing cultural fit between merging IT departments. During planning, companies should make an inventory of merging technologies, processes, and people, and document existing IT systems. For execution, the document advises following an M&A roadmap in phases and avoiding incomplete decommissioning of redundant assets.