The representative number of the live broadcast room is 123. The meaning of live broadcast room 123 is explained by the slogan of product link. Generally, when you want to connect, you will call 32 1 to connect. The live broadcast room is defined by the TV Broadcasting Dictionary as a broadcast mode in which the post-production and broadcast of radio and television programs are carried out at the same time. According to the broadcast location, it can be divided into live broadcast site and studio or projection room. Live TV broadcast refers to a way of broadcasting TV programs on the spot with probability and development trend, which embodies the competitiveness of TV broadcasting media. With the advent of the Internet era, the live TV broadcast is gradually replaced by the webcast platform, which has become a symbol of the live broadcast room.