emergency dispatcher, 112 operator, European emergency number, 911 operator, American emergency service, headset wearing, focused expression, uniform, multitasking, computer screens, maps, high-stress environment, indoor office, communication center, emergency calls handling, teamwork, critical decision-making, real-time guidance, public safety, soft ambient lighting, close-up shot, detailed background with emergency equipment, high contrast, sharp focus, intense atmosphere, 3/4 view angle.