Voice is often the preferred channel for complex or sensitive issues because it allows immediate, two-way clarification and emotional support. When information is technical, regulated, or high-stakes, such as in insurance, healthcare, banking, or transport, customers benefit from being able to ask follow-up questions and receive explanations in real time. This reduces misunderstandings and helps both parties reach a shared understanding of rules, conditions, and consequences. At the same time, the emotional dimension is crucial: in moments of worry, fear, or frustration, hearing a voice that is calm, clear, and empathetic can provide reassurance that written channels cannot easily replicate. For many customers, especially those who are less digitally experienced, voice calls are also simpler and more accessible than navigating apps, menus, or chat interfaces.