The invention discloses a paging method and a dispatch server. The paging method comprises the following steps: a dispatch server receives a call request from a terminal , wherein the call request carries basic information and position information of the terminal, and the position information comprises the position information of a position area code and the position information of a dispatching position area; the dispatch server authorizes an attribution register according to the call request, and transmits a first paging message to a base station controller in the dispatching position area according to an authentification result in order to access an intraclass terminal to a call in the dispatching area; after the intraclass terminal of the dispatching position area is accessed to the call, transmitting a second paging message to the base station controller by the dispatch server according to a position area code in order to access the ntraclass terminal outside the dispatching position area to the call. All users can be accessed into a group call in shortest time by using fewest resources.