This white paper discusses the critical role of high-quality network infrastructure in supporting unified communications (UC) solutions based on insights from a survey of IT decision-makers and end users in Germany. It emphasizes that UC should consider the diverse preferences of end users, who prioritize various communication applications and devices, and highlights the importance of reliable telecom partners in implementing effective UC strategies. Ultimately, the paper encourages IT managers to align their UC planning with the actual communication needs and behaviors of their end users to enhance adoption and ROI.