IP-based voice transmission (English: Voice over Internet Protocol, abbreviated as VoIP) is a voice call technology that uses Internet Protocol (IP) to achieve voice calls and multimedia conferences, that is, communicate via the Internet.
The hospital intercom system is based on the hospital bed call system construction and use requirements, medical intercom, doctor-patient intercom, ICU visits, public broadcasting, using the internal network to design a set of digital IP network internal intercom system
The tunnel emergency telephone system is an important part of the highway communication operation management system. In the case of traffic anomalies or major accidents in the tunnel, the driver can promptly request the tunnel management personnel for rescue through the emergency phone, and quickly carry out troubleshooting operations.
The parking lot intercom system uses ip pbx technology integrated system to realize intercom, alarm, monitor recording, remote barrier control, emergency consultation, etc., realize video linkage, shouting broadcast, emergency broadcast, intercom call recording and other functions.