A communication path switching system including a wireless base station having a function of wireless communication with a mobile station and a function of relaying data transmitted from the mobile station over a wireless communication path; and plural transmission apparatuses having a function of wired communication with the wireless base station and capable of establishing respectively a wired communication path to be used to relay the data transmitted from a mobile station toward another mobile station. One wired communication path from the wireless base station to one transmission apparatus is switched to another wired communication path from the wireless base station to another transmission apparatus without re-establishing a wireless communication path between the mobile station and the wireless base station.