（1） Industry Overview
With the development of medical construction in China, creating good facilities, an elegant medical environment, and providing high-quality medical services have become indispensable means for hospital operation.As an important communication system between doctors and patients, ward nursing intercom system not only meets the basic needs of calling and intercom, but also needs rich information display and stable interactive application.How to use IP network communication technology to better provide convenient services for the three parties, build a good relationship between doctors and patients, improve the level of hospital information, intelligent construction, has become an important part of hospital to create advantage nursing.
（2） System overview
The system adopts the signal transmission and connection mode of network line and power supply line, based on the IP network communication, it is interconnected with his of the hospital, realizes the information integration, automatically and synchronously updates the patient information and medical order information, and provides clear and reliable two-way HD intercom.The system also integrates information notification, cost query, service evaluation and other rich information interaction functions, to ensure the timely communication between patients and medical staff, reduce doctor-patient disputes, improve the quality of hospital services, improve the level of hospital management and medical efficiency.
（3） System advantages
1. Digital and traditional low-cost two-wire networking mode, in the networking and functional part of the digital system has gained the advantages, the price is several times lower than the full digital intercom system.
2. The standard TCP / IP network protocol is adopted to realize networking communication, high stability and simple wiring. It is not only suitable for the construction of new projects, but also for the reconstruction of old wards.
3. The system can be seamlessly connected with HIS to meet the needs of diversified information display and customized interface.
4. High performance echo cancellation technology is adopted to realize high volume handsfree full duplex intercom with clear and bright voice.
5. It is easy to upgrade and expand to meet the personalized needs of users.
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