5g vonr video conference system is a video conference system developed by gostar on the basic signaling layer based on years of technology accumulation in the basic communication network. It combines the advantages of CAT1 terminal registration and vonr \ volte protocol, and has the advantages of safety, reliability, superior performance, flexible deployment and so on. It is a new generation of video conference system based on browser. It can hold multi person video conference, data sharing, file transmission and other functions all over the world only through computers or mobile phones. This scheme also fills the gap of domestic operators in vonr \ volte application scheme.