A system and method of controlling paging flow in a network for cellular communications is provided. According to an embodiment, a control node receives a request for paging a mobile station; determines a location area in which the paging shall be performed; checks whether the number of paging transactions which are ongoing for the location area is lower than at least one maximum number of ongoing paging transactions allowed for the location area; update the number of ongoing paging transactions for the location area, after a determination that the number of ongoing paging transactions is lower than a maximum number, update the number of ongoing paging transactions for the location area; and process the paging request.