Trends in information systems development include the use of globally distributed teams and agile methodologies such as Scrum. Globally distributed (GD) software development challenges team communication. Before we can evaluate effective communication in GD teams using Scrum, we need to know what effective communication means in that context. This study captures the understanding of effective communication based on interviews with industry professionals working in GD Scrum teams and reports on Scrum practices that keep communication effective. From these interviews, we developed a model consisting of communication transparency, communication quality, and communication discipline, leading to the alignment of team understanding. This paper contributes to practitioners’ knowledge about what effective communication means in GD Scrum and describes tools that support communication. The theoretical contribution of the study is a model of effective communication that lays the ground for future research on evaluating Scrum’s effect on communication in GD contexts.