On October 29th, the 16th China International Social Public Safety Expo was grandly opened at the Shenzhen Convention and Exhibition Center. The exhibition lasted for four days. The exhibition area covers an area of 110,000 square meters and has more than 6,000 booths. It is from 53 countries and regions, and more than 1,160 social public security industry companies are exhibiting. The theme of this year's CPSE Expo is: smart city, smart security, big data and artificial intelligence, which will surely be a wonderful high-tech feast. As a well-known enterprise, Oubo participated in the exhibition with the smart communication public broadcasting system, the safe city broadcasting system, and the SIP communication public broadcasting system. At the same time, the newly launched SIP communication public broadcasting system caused great repercussions on the spot, especially SIP. The terminal controller is rushed to order by the purchaser and is in short supply.

     At the exhibition site, Oub adopted the three-network integration method to integrate the three networks of broadcasting, communication and monitoring to create a new safe city, attracting a lot of audiences to stop, especially the SIP broadcasting system is the leader and shining venue.
     The SIP communication public broadcasting system utilizes the modern communication network, and combines the network communication technology to adopt the digital SIP communication protocol based on network transmission. Based on the network digital audio technology, the audio signal is transmitted in the form of data packets on the local area network and the wide area network, plus OBT's unique core processing server, combined with user-friendly operating hardware, constitutes a purely digitally transmitted network two-way intercom voice communication system. As a new generation of digital IP network two-way intercom voice communication system with pure digital audio, two-way intercom, hands-free intercom, emergency call, remote call, music broadcast, emergency broadcast and other advanced functions.
     The SIP communication public address system adopts a stable and reliable networking structure, and has many advantages such as small occupied bandwidth, direct communication of the WAN, and low requirements of the network environment; and solves the delay, data loss, poor communication, and large transmission area in the remote transmission. The transmission is difficult, the audio signal loss is high, and so on; the system uses network server management to reduce the impact of network bandwidth, meet the multi-point control, multi-level control, and the number of terminals in the project; the system has a clear structure, and only needs to connect the terminal. The computer network can form a powerful digital communication system; the system equipment adopts embedded computer processing technology, based on Windows database and background database operation mode, and is not damaged by virus data, ensuring stable and reliable operation of the system.
     SIP communication public broadcasting system is widely used in Ping An campus, bank ATM machine network emergency help intercom, prison prison alarm intercom, large industrial and mining enterprises emergency help intercom, safe city help intercom, rail transit emergency help intercom, forest The park's emergency help intercom, internal voice communication of enterprises and institutions, is a set of real system suitable for internal and external digital voice intercom communication.
     SIP broadcast topology
     This time, the Expo was very fruitful, and the audience at the scene praised Ou Bo's products. Many foreign friends came to visit the experience.
As the pioneer of a series of audio products such as the smart communication public broadcasting system, the safe city broadcasting system, and the SIP communication public broadcasting system, Oubo provides complete solutions according to customer needs, creating value for customers as a service concept, relying on advanced technology. With development level, high quality product quality and fast after-sales service system, we will create a beautiful future for you.