With the voice function, the patient can speak directly to the assigned nurse. This helps hospital staff to save service time, prioritize cases, and make patients more relaxed by ensuring the presence of nurses. With the ZKR Comfort Nurse Call System, all call conversations between hospital staff and patients are logged for quality control and evaluation of care services. The Comfort IP voice suite is simple and easy to use. The patient only needs to press a large, easy-to-see button to make a voice call with the assigned nurse. This set is sterile waterproof with easy-to-use ergonomic features. Using smartphone patients can make external / internal phone calls with an automatic billing system. The ZKR comfort system is integrated with any analog, digital or VOIP PBX and with many brands such as Cisco, Alcatel, Avaya, Panasonic… etc.