This case study details the implementation of the AINA PTT Voice Responder at Scandinavian Airlines (SAS), highlighting the transition from traditional TETRA radio systems to a modern cellular Push-to-Talk (PTT) solution. The document outlines the challenges faced by SAS in meeting communication needs, particularly in demanding environments where smartphones were inadequate. It describes how the AINA PTT Voice Responder, a wireless speaker-microphone, enhances communication for ground handling teams during luggage operations. The study emphasizes the product's features, including its lightweight and ergonomic design, durability, and superior audio quality, which are crucial for effective communication in loud settings. Additionally, the case study notes SAS's commitment to environmental sustainability and how the AINA solution contributes to increased productivity and reduced lifecycle costs. The collaboration between AINA and SAS began in 2018, marking a significant shift towards digital transformation in the airline's communication strategy.